The Gemini constellation is formed by 8 main stars that form its shape in the sky. Inside its area, there are currently 183 discovered stars.
The name of the Gemini constellation means “twins”.
Below you will find the full list of stars in the Gemini constellation and their names as well as some general information about each of them.
Here’s what each of the columns means.
Proper name: This is the common name we give to some of the most prominent stars in the sky. These names have been passed from ancient civilizations and they are usually of Greek or Arabic origin. Due to the number of stars in the universe, most stars discovered these days do not receive a proper name.
Name: The scientific, Latinized name for the star.
Designation: Abbreviation of the scientific name or designation if it doesn’t have one. It is based on the Bayer catalog of stars.
Distance: How far away from Earth the star is. Given in light-years.
Visible magnitude: The brightness of the star as seen from Earth. Also known as apparent magnitude.
Absolute magnitude: The true brightness of the star, regardless of the point of view.
Stellar classification: Classification of the star according to its electromagnetic characteristics.
| Proper Name | Name | Designation | Distance (light-years) | Visible magnitude | Absolute magnitude | Stellar classification |
|---|---|---|---|---|---|---|
| Pollux | Beta Geminorum | β Gem | 34.00 | 1.16 | 1.09 | K0III |
| Alpha Geminorum | α Gem | 52.00 | 1.90 | 1.05 | A2Vm | |
| Alhena | Gamma Geminorum | γ Gem | 105.00 | 1.93 | −0.60 | A0IV |
| Tejat | Mu Geminorum | μ Gem | 232.00 | 2.87 | −1.39 | M3.0III |
| Castor B | Castor B | 2.88 | ||||
| Mebsuta | Epsilon Geminorum | ε Gem | 903.00 | 3.06 | −4.15 | G8Ib |
| Propus | Eta Geminorum | η Gem | 349.00 | 3.31 | −1.84 | M3III |
| Alzir | Xi Geminorum | ξ Gem | 57.00 | 3.35 | 2.13 | F5IV |
| Wasat | Delta Geminorum | δ Gem | 59.00 | 3.50 | 2.22 | F0IV… |
| Jixin | Kappa Geminorum | κ Gem | 143.00 | 3.57 | 0.35 | G8III |
| Lambda Geminorum | λ Gem | 94.00 | 3.58 | 1.27 | A3V… | |
| Theta Geminorum | θ Gem | 197.00 | 3.60 | −0.30 | A3III | |
| Propus | Iota Geminorum | ι Gem | 126.00 | 3.78 | 0.85 | G9III+… |
| Mekbuda | Zeta Geminorum | ζ Gem | 1168.00 | 4.01 | −3.76 | G1Ib |
| Upsilon Geminorum | υ Gem | 240.00 | 4.06 | −0.28 | K5III | |
| Nucatai | Nu Geminorum A | ν Gem A | 502.00 | 4.13 | −1.81 | B6III |
| 1 Geminorum | 1 Gem | 151.00 | 4.16 | 0.84 | G7III | |
| Rho Geminorum | ρ Gem | 60.00 | 4.16 | 2.82 | F0V… | |
| Sigma Geminorum | σ Gem | 122.00 | 4.23 | 1.36 | K1III SB | |
| Tau Geminorum | τ Gem | 302.00 | 4.41 | −0.42 | K2III | |
| 30 Geminorum | 30 Gem | 276.00 | 4.49 | −0.15 | K1III | |
| 38 Geminorum | 38 Gem | 91.00 | 4.71 | 2.48 | F0Vp | |
| Jishui | Omicron Geminorum | ο Gem | 158.00 | 4.89 | 1.46 | F3III |
| 81 Geminorum | 81 Gem | 341.00 | 4.89 | −0.21 | K5III | |
| Chi Geminorum | χ Gem | 258.00 | 4.94 | 0.45 | K2III | |
| Phi Geminorum | φ Gem | 254.00 | 4.97 | 0.51 | A3V | |
| 65 Geminorum | 65 Gem | 383.00 | 5.01 | −0.34 | K2III | |
| 57 Geminorum | 57 Gem | 154.00 | 5.04 | 1.67 | G8III | |
| 74 Geminorum | 74 Gem | 532.00 | 5.04 | −1.02 | M0III | |
| 51 Geminorum | 51 Gem | 700.00 | 5.07 | −1.59 | K3V | |
| 64 Geminorum | 64 Gem | 163.00 | 5.07 | 1.58 | A4V | |
| 56 Geminorum | 56 Gem | 428.00 | 5.09 | −0.50 | M0III | |
| HD 52960 | HD 52960 | 743.00 | 5.14 | −1.65 | K3III | |
| Pi Geminorum | π Gem | 562.00 | 5.14 | −1.04 | M0III | |
| 26 Geminorum | 26 Gem | 139.00 | 5.20 | 2.05 | A2V | |
| Omega Geminorum | ω Gem | 1655.00 | 5.20 | −3.33 | G5II | |
| 63 Geminorum | 63 Gem | 111.00 | 5.20 | 2.54 | F5IV-V… | |
| 68 Geminorum | 68 Gem | 375.00 | 5.27 | −0.03 | A1Vn | |
| 36 Geminorum | 36 Gem | 529.00 | 5.28 | −0.77 | A2V | |
| 76 Geminorum | 76 Gem | 595.00 | 5.30 | −1.01 | K5III | |
| HD 60318 | HD 60318 | 302.00 | 5.34 | 0.5 | K0III | |
| 85 Geminorum | 85 Gem | 339.00 | 5.38 | 0.29 | A0Vs | |
| 28 Geminorum | 28 Gem | 570.00 | 5.42 | −0.79 | K4III | |
| HD 59686 | HD 59686 | 302.00 | 5.45 | 0.62 | K2III | |
| 45 Geminorum | 45 Gem | 305.00 | 5.47 | 0.61 | G8III | |
| HD 53329 | HD 53329 | 305.00 | 5.55 | 0.69 | G8IV | |
| NZ Geminorum | NZ Gem | 1022.00 | 5.55 | −1.93 | M3S | |
| HD 46374 | HD 46374 | 256.00 | 5.57 | 1.1 | K2III: | |
| 70 Geminorum | 70 Gem | 306.00 | 5.58 | 0.72 | K0III | |
| 35 Geminorum | 35 Gem | 1502.00 | 5.68 | −2.64 | K3III | |
| HD 49968 | HD 49968 | 513.00 | 5.68 | −0.30 | K5III | |
| IS Geminorum | IS Gem | 307.00 | 5.72 | 0.85 | K3II | |
| 41 Geminorum | 41 Gem | 5821.00 | 5.73 | −5.53 | K3Ib | |
| 37 Geminorum | 37 Gem | 56.00 | 5.73 | 4.56 | G0V | |
| 3 Geminorum | 3 Gem | 5.75 | B2.5Ib | |||
| 47 Geminorum | 47 Gem | 390.00 | 5.75 | 0.36 | A4IV | |
| 53 Geminorum | 53 Gem | 1079.00 | 5.75 | −1.85 | M1III | |
| 59 Geminorum | 59 Gem | 209.00 | 5.77 | 1.73 | F0:III: | |
| HD 52556 | HD 52556 | 644.00 | 5.78 | −0.70 | K1III: | |
| HD 61885 | HD 61885 | 786.00 | 5.79 | −1.12 | M2III | |
| 5 Geminorum | 5 Gem | 753.00 | 5.83 | −0.99 | K0III | |
| 52 Geminorum | 52 Gem | 337.00 | 5.84 | 0.77 | M1III | |
| 48 Geminorum | 48 Gem | 349.00 | 5.85 | 0.7 | F5IV | |
| 33 Geminorum | 33 Gem | 926.00 | 5.85 | −1.38 | B7III | |
| HD 52609 | HD 52609 | 1918.00 | 5.86 | −2.99 | M2III | |
| HD 51000 | HD 51000 | 385.00 | 5.91 | 0.55 | G5III | |
| HD 42049 | HD 42049 | 6151.00 | 5.93 | −5.45 | K4III | |
| HD 52711 | HD 52711 | 62.00 | 5.93 | 4.53 | G4V | |
| HD 61603 | HD 61603 | 1523.00 | 5.93 | −2.42 | K5 | |
| HD 53686 | HD 53686 | 681.00 | 5.94 | −0.66 | K4III | |
| 61 Geminorum | 61 Gem | 405.00 | 5.94 | 0.47 | F2Vn | |
| NP Geminorum | NP Gem | 1353.00 | 5.96 | −2.13 | M1.5 | |
| HD 47575 | HD 47575 | 289.00 | 5.99 | 1.25 | A2V | |
| 44 Geminorum | 44 Gem | 478.00 | 6.00 | 0.17 | B8Vn | |
| HD 52976 | HD 52976 | 1264.00 | 6.01 | −1.93 | K5 | |
| HD 63889 | HD 63889 | 415.00 | 6.03 | 0.5 | K1III: | |
| HD 40589 | HD 40589 | 4657.00 | 6.04 | −4.73 | B9Iab | |
| HD 44927 | HD 44927 | 578.00 | 6.05 | −0.19 | A2Vn | |
| HD 61859 | HD 61859 | 178.00 | 6.05 | 2.36 | F7V | |
| HD 63589 | HD 63589 | 208.00 | 6.06 | 2.04 | A2m | |
| HD 63352 | HD 63352 | 660.00 | 6.07 | −0.46 | K0 | |
| 8 Geminorum | 8 Gem | 436.00 | 6.09 | 0.46 | G8III | |
| HD 47358 | HD 47358 | 419.00 | 6.09 | 0.54 | G9III | |
| HD 61295 | HD 61295 | 275.00 | 6.16 | 1.53 | F6II | |
| 58 Geminorum | 58 Gem | 312.00 | 6.17 | 1.27 | A1V | |
| HD 45951 | HD 45951 | 6.18 | K2III… | |||
| HD 61219 | HD 61219 | 435.00 | 6.18 | 0.56 | A2V | |
| 82 Geminorum | 82 Gem | 1052.00 | 6.18 | −1.36 | G2III+… | |
| HD 56386 | HD 56386 | 612.00 | 6.19 | −0.18 | A0Vn | |
| 39 Geminorum | 39 Gem | 155.00 | 6.20 | 2.82 | F7V | |
| 16 Geminorum | 16 Gem | 538.00 | 6.22 | 0.13 | A2Vs | |
| HD 59059 | HD 59059 | 769.00 | 6.23 | −0.63 | B9IV | |
| HD 61630 | HD 61630 | 1035.00 | 6.23 | −1.28 | K0 | |
| 9 Geminorum | 9 Gem | 2090.00 | 6.24 | −2.79 | B3Ia | |
| HD 45506 | HD 45506 | 210.00 | 6.24 | 2.19 | G5 | |
| HD 62141 | HD 62141 | 307.00 | 6.25 | 1.38 | K0III | |
| 20 Geminorum | 20 Gem | 354.00 | 6.26 | 1.08 | F6V… | |
| HD 51330 | HD 51330 | 3070.00 | 6.26 | F2Ib-II | ||
| HD 47863 | HD 47863 | 786.00 | 6.28 | −0.63 | A1V | |
| HD 53899 | HD 53899 | 840.00 | 6.31 | −0.75 | K1 | |
| HD 44234 | HD 44234 | 417.00 | 6.32 | 0.78 | G9:III: | |
| HD 44780 | HD 44780 | 832.00 | 6.35 | −0.68 | K2III | |
| HD 49059 | HD 49059 | 431.00 | 6.35 | 0.74 | A2V | |
| 141 Tau | 141 Tau | 584.00 | 6.36 | 0.09 | B8V | |
| HD 58898 | HD 58898 | 321.00 | 6.36 | 1.39 | K2III | |
| HD 61035 | HD 61035 | 153.00 | 6.37 | 3.01 | F0 | |
| 19 Geminorum | 19 Gem | 334.00 | 6.38 | 1.33 | A8V | |
| HD 56176 | HD 56176 | 296.00 | 6.38 | 1.59 | G7IV | |
| 40 Geminorum | 40 Gem | 1199.00 | 6.40 | −1.43 | B8III | |
| OT Geminorum | OT Gem | 3170.00 | 6.41 | −3.53 | B2Ve | |
| HD 47415 | HD 47415 | 115.00 | 6.43 | 3.7 | F8IV | |
| HD 54563 | HD 54563 | 150.00 | 6.43 | 3.11 | G9V | |
| HD 47020 | HD 47020 | 543.00 | 6.44 | 0.33 | A3V | |
| 25 Geminorum | 25 Gem | 1411.00 | 6.45 | −1.73 | G5Ib | |
| HD 57049 | HD 57049 | 1094.00 | 6.45 | −1.18 | A2Vn | |
| 50 Geminorum | 50 Gem | 144.00 | 6.46 | 3.24 | F8V | |
| 32 Geminorum | 32 Gem | 1140.00 | 6.47 | −1.25 | A9III | |
| HD 53744 | HD 53744 | 549.00 | 6.47 | 0.34 | B9V | |
| HD 54986 | HD 54986 | 1098.00 | 6.50 | −1.14 | K5 | |
| 6 Geminorum | 6 Gem | 4289.00 | 6.51 | −4.09 | M1Ia-ab | |
| 79 Geminorum | 79 Gem | 460.00 | 6.53 | 0.78 | A1V | |
| 15 Geminorum A | 15 Gem A | 575.00 | 6.54 | 0.31 | K0 | |
| W Geminorum | W Gem | 6.54 | F5-G1 | |||
| TV Geminorum | TV Gem | 3100.00 | 6.56 | M1Iab | ||
| 10 Geminorum | 10 Gem | 789.00 | 6.58 | −0.34 | G5 | |
| HD 45314 | HD 45314 | 6.64 | O9:pe | |||
| 2 Geminorum | 2 Gem | 867.00 | 6.67 | −0.45 | K0 | |
| 23 Geminorum | 23 Gem | 257.00 | 6.73 | 2.25 | F5 | |
| OU Geminorum | OU Gem | 48.02 | 6.76 | K3Vk | ||
| HD 60848 | HD 60848 | 1960.00 | 6.85 | O8V:pev | ||
| HD 50554 | HD 50554 | 101.00 | 6.86 | 4.4 | F8V | |
| 4 Geminorum | 4 Gem | 853.00 | 6.88 | −0.21 | B9 | |
| 11 Geminorum | 11 Gem | 2248.00 | 6.91 | −2.28 | B0II | |
| 12 Geminorum | 12 Gem | 2530.00 | 6.95 | A0II | ||
| HD 63433 | HD 63433 | 73.12 | 7.00 | |||
| 49 Geminorum | 49 Gem | 842.00 | 7.05 | −0.01 | A0 | |
| HD 52961 | HD 52961 | 7.37 | A0 | |||
| WY Geminorum | WY Gem | 7.38 | M2Iabep+B | |||
| R Geminorum | R Gem | 525.00 | 7.68 | 1.65 | S3.5-6.5/6e | |
| Nu Geminorum B | ν Gem B | 8.00 | ||||
| HD 67087 | HD 67087 | 290.00 | 8.05 | F8V | ||
| HD 59643 | HD 59643 | 2860.00 | 8.01 | C6,2eV | ||
| V345 Geminorum | V345 Gem | 528.00 | 8.20 | F0 | ||
| 15 Geminorum B | 15 Gem B | 59.00 | 8.59 | 7.31 | G0 | |
| SS Geminorum | SS Gem | 8.67 | G2/5I | |||
| CR Geminorum | CR Gem | 1140.00 | 8.67 | Cv+… | ||
| RY Geminorum | RY Gem | 1330.00 | 8.68 | A2V+ | ||
| K-03IV-V | ||||||
| RX Geminorum | RX Gem | 1520.00 | 9.24 | A2 | ||
| TU Geminorum | TU Gem | 9.40 | C6,4 | |||
| Castor C | Castor C | 52.00 | 9.64 | 8.79 | dM1e+dM1e | |
| RW Geminorum | RW Gem | 438.00 | 9.79 | B6V | ||
| AD Geminorum | AD Gem | 9.80 | F5 | |||
| AL Geminorum | AL Gem | 9.89 | F6V | |||
| BD+20°1790 | BD+20°1790 | 85.00 | 10.00 | K5Ve | ||
| Gliese 251 | Gliese 251 | 18.21 | 10.11 | M4.0V | ||
| AF Geminorum | AF Gem | 10.58 | A0 | |||
| DX Geminorum | DX Gem | 10.73 | ||||
| HD 262389 | HD 262389 | 1013.00 | 10.91 | F | ||
| HD 51585 | HD 51585 | 11.20 | Bpe | |||
| ZZ Geminorum | ZZ Gem | 11.20 | Ce | |||
| HAT-P-20 | HAT-P-20 | 228.00 | 11.34 | K7 | ||
| HAT-P-39 | HAT-P-39 | 2094.00 | 11.42 | |||
| BM Geminorum | BM Gem | 2590.00 | 11.50 | N | ||
| HAT-P-24 | HAT-P-24 | 998.00 | 11.82 | F8 | ||
| HAT-P-33 | HAT-P-33 | 1367.00 | 11.89 | F | ||
| RR Geminorum | RR Gem | 11.92 | A8 | |||
| HAT-P-54 | HAT-P-54 | 443.00 | 13.51 | K | ||
| BG Geminorum | BG Gem | |||||
| PQ Geminorum | PQ Gem | 13.70 | CV | |||
| U Geminorum | U Gem | 413.00 | 14.90 | sd:Be+… | ||
| DN Geminorum | DN Gem | 15.00 | ||||
| DM Geminorum | DM Gem | 17.40 | ||||
| 2MASSW J0746425+200032 | 2MASSW J0746425+200032 | 37.80 | 17.70 | L0.5 | ||
| IR Geminorum | IR Gem | 18.70 | ||||
| WD J0651+2844 | WD J0651+2844 | |||||
| AW Geminorum | AW Gem | 19.40 | ||||
| PSR B0656+14 | PSR B0656+14 | 24.90 | ||||
| PSR J0751+1807 | PSR J0751+1807 | |||||
| WISEP J060738.65+242953.4 | WISEP J060738.65+242953.4 | 25.40 | L9 | |||
| Geminoruminga | Geminga | |||||
| CXOU J061705.3+222127 | CXOU J061705.3+222127 | |||||
| PSR B0611+22 | PSR B0611+22 |