IAA RAS IAA Minor Planet Database

2012 TN20

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3859414798 ± 7.50e-07
Semi-major axis (a)1.1826394675 AU ± 1.63e-07
Inclination (i)11.61680043° ± 5.57e-05
Long. of Asc. Node (Ω)348.74021530° ± 9.64e-05
Arg. of Perihelion (ω)139.11761317° ± 1.11e-04
Mean Anomaly (M)7.04751537° ± 2.00e-04
Mean Motion (n)0.7663615792°/day ± 1.58e-07
Perihelion dist (q)0.72620984 AU ± 8.93e-07
Aphelion dist (Q)1.63906909 AU ± 9.16e-07
Orbital Period1.28611130 yr ± 2.66e-07
Physical Parameters
H (abs. magnitude)22.39
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.187″
Uncertainty0
Orbit TypeApollo
MOID0.137868 AU
Observations Used39
Oppositions2
Arc Total2012-2021
First Observation Used2012-10-07
Last Observation Used2021-10-15
Observations (44)
Date Type RA Dec Mag Band Observatory
2012-10-07 09:36:46 c 00 13 51.653 +35 59 28.56 – L F51
2012-10-07 09:53:08 c 00 13 47.156 +36 00 07.93 – L F51
2012-10-07 10:50:50 c 00 13 31.399 +36 02 25.65 – L F51
2012-10-08 01:04:20 C 00 09 49.35 +36 36 24.0 – v H21
2012-10-08 01:11:33 C 00 09 47.37 +36 36 41.8 – v H21
2012-10-08 01:23:37 C 00 09 44.03 +36 37 12.0 – v H21
2012-10-08 01:32:50 C 00 09 41.47 +36 37 34.7 – v H21
2012-10-08 02:37:50 C 00 09 24.20 +36 40 14.7 – o H01
2012-10-08 02:42:54 C 00 09 22.80 +36 40 27.5 – o H01
2012-10-08 02:55:32 C 00 09 19.27 +36 40 58.9 – o H01
2012-10-08 03:13:42 C 00 09 14.19 +36 41 44.1 – o H01
2012-10-08 04:41:54 C 00 08 48.64 +36 45 18.8 – u H36
2012-10-08 04:47:53 C 00 08 46.97 +36 45 34.2 – u H36
2012-10-08 04:53:54 C 00 08 45.38 +36 45 48.6 – u H36
2012-10-09 08:11:03 C 00 01 02.09 +37 51 50.4 – o 291
2012-10-09 08:12:52 C 00 01 01.53 +37 51 54.7 – o 291
2012-10-09 08:14:40 C 00 01 01.00 +37 51 58.8 – o 291
2012-10-11 03:42:31 C 23 47 40.29 +39 36 24.0 – o 291
2012-10-11 03:44:13 C 23 47 39.75 +39 36 28.0 – o 291
2012-10-11 03:45:55 C 23 47 39.15 +39 36 32.1 – o 291
2012-10-12 21:15:46 C 23 33 26.28 +41 13 44.4 – q 204
2012-10-12 21:47:16 C 23 33 14.50 +41 14 56.9 – q 204
2012-10-17 06:14:44 C 22 51 14.70 +44 55 51.0 – o 291
2012-10-17 06:15:17 C 22 51 14.48 +44 55 52.4 – o 291
2012-10-17 06:18:28 C 22 51 13.02 +44 55 57.8 – o 291
2021-09-11 13:37:49 C 01 34 11.289 +17 47 27.82 – V F51
2021-09-11 13:38:45 C 01 34 11.284 +17 47 29.29 – V F51
2021-09-29 09:07:12 C 01 04 20.588 +30 07 51.45 – U F52
2021-09-29 09:22:50 C 01 04 18.331 +30 08 27.20 – U F52
2021-09-29 09:23:46 C 01 04 18.200 +30 08 29.26 – U F52
2021-09-29 09:38:28 C 01 04 16.058 +30 09 03.03 – U F52
2021-09-29 09:39:24 C 01 04 15.917 +30 09 05.23 – U F52
2021-09-29 09:54:05 C 01 04 13.764 +30 09 38.97 – U F52
2021-09-29 09:55:02 C 01 04 13.625 +30 09 41.19 – U F52
2021-10-12 22:52:53 C 23 48 10.42 +44 18 28.0 – V C95
2021-10-12 23:08:33 C 23 48 04.53 +44 19 10.8 – V C95
2021-10-15 05:58:20 C 23 26 28.42 +46 44 34.7 – V G96
2021-10-15 06:06:39 C 23 26 24.76 +46 44 55.2 – V G96
2021-10-15 06:14:57 C 23 26 21.13 +46 45 16.3 – V G96
2021-10-15 06:29:19 C 23 26 14.77 +46 45 52.2 – V G96
2021-10-30 14:17:24 S 19 57 37.464 +52 35 04.63 – L C51
2021-10-30 17:25:42 S 19 55 48.953 +52 31 34.03 – L C51
2021-10-30 18:59:46 S 19 54 54.902 +52 29 48.77 – L C51
2021-10-30 20:33:50 S 19 54 01.092 +52 28 01.09 – L C51