Back 1271 ايسيرجينا (كويكب) ARZ (1271) Изергина CE (1271) Isergina German 1271 Ιζεργκίνα Greek 1271 Isergina Esperanto (1271) Isergina Spanish 1271 Isergina Basque سیارک ۱۲۷۱ Persian (1271) Isergina French 1271 Isergina Hungarian

1271 Isergina

1271 Isergina
Discovery[1]
Discovered byG. Neujmin
Discovery siteSimeiz Obs.
Discovery date10 October 1931
Designations
(1271) Isergina
Named after
Pyotr Vasilyevich Isergin[2]
(Crimean physician)
1931 TN · 1930 MK
1932 CK1 · 2003 RV22
A906 HD
main-belt · (outer)[3]
background[4]
Orbital characteristics[1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc111.22 yr (40,622 days)
Aphelion3.5228 AU
Perihelion2.7708 AU
3.1468 AU
Eccentricity0.1195
5.58 yr (2,039 days)
160.82°
0° 10m 35.76s / day
Inclination6.6687°
127.22°
269.37°
Physical characteristics
Dimensions39.58±12.78 km[5]
42.32±14.32 km[6]
44.47 km (derived)[3]
47.52±0.38 km[7]
47.524±0.383 km[7]
50.897±0.464 km[8]
52.15±0.76 km[9]
7.59932±0.00009 h[10]
7.829±0.002 h[11]
9.864±0.004 h[12]
0.031±0.003[13]
0.038±0.001[9]
0.0392±0.0102[8]
0.06±0.06[6]
0.065±0.009[7]
0.0677 (derived)[3]
0.08±0.08[5]
SMASS = C[1][3] · X/L[14]
10.20[7] · 10.30[3][6] · 10.39±0.20[14] · 10.4[1] · 10.42[5] · 10.60[8][9]

1271 Isergina, provisional designation 1931 TN, is a carbonaceous background asteroid from the outer regions of the asteroid belt, approximately 45 kilometers in diameter. It was discovered on 10 October 1931, by Soviet astronomer Grigory Neujmin at the Simeiz Observatory on the Crimean peninsula.[15] The asteroid was named after Crimean physician and friend of the discoverer, Pyotr Isergin.[2]

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  8. ^ a b c Cite error: The named reference WISE was invoked but never defined (see the help page).
  9. ^ a b c Cite error: The named reference AKARI was invoked but never defined (see the help page).
  10. ^ Cite error: The named reference Benishek-2016f was invoked but never defined (see the help page).
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  12. ^ Cite error: The named reference geneva-obs was invoked but never defined (see the help page).
  13. ^ Cite error: The named reference Masiero-2014 was invoked but never defined (see the help page).
  14. ^ a b Cite error: The named reference Veres-2015 was invoked but never defined (see the help page).
  15. ^ Cite error: The named reference MPC-object was invoked but never defined (see the help page).
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