IAA RAS IAA Minor Planet Database

2012 TR231

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2911071992 ± 2.00e+00
Semi-major axis (a)0.8388900440 AU ± 3.00e+00
Inclination (i)33.44353781° ± 4.00e+00
Long. of Asc. Node (Ω)199.89164513° ± 5.00e+00
Arg. of Perihelion (ω)347.36630836° ± 6.00e+00
Mean Anomaly (M)221.10861981° ± 6.75e-01
Mean Motion (n)1.2828032200°/day ± 6.88e+00
Perihelion dist (q)0.59466560 AU ± 2.71e+00
Aphelion dist (Q)1.08307960 AU ± 4.22e+00
Orbital Period0.76832330 yr ± 4.12e+00
Physical Parameters
H (abs. magnitude)23.90
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.317″
Uncertainty3
Orbit TypeAten
MOID0.072316 AU
Observations Used44
Oppositions1
Arc Total2012-2012
First Observation Used—
Last Observation Used2012-10-19
Observations (47)
Date Type RA Dec Mag Band Observatory
2012-10-14 06:22:50 C 00 11 47.58 +01 54 03.7 – r G96
2012-10-14 06:30:08 C 00 11 45.67 +01 52 00.1 – r G96
2012-10-14 06:37:33 C 00 11 43.69 +01 49 52.2 – r G96
2012-10-14 06:44:59 C 00 11 41.78 +01 47 47.5 – r G96
2012-10-14 07:40:48 C 00 11 27.27 +01 32 03.5 – r G96
2012-10-14 07:49:14 C 00 11 25.08 +01 29 37.7 – r G96
2012-10-14 07:57:37 C 00 11 22.92 +01 27 16.5 – r G96
2012-10-14 08:06:07 C 00 11 20.72 +01 24 51.8 – r G96
2012-10-14 08:18:47 C 00 11 17.52 +01 21 18.1 – o 291
2012-10-14 08:23:51 C 00 11 16.23 +01 19 52.5 – o 291
2012-10-14 22:07:07 C 00 08 12.54 -02 30 16.4 – t J04
2012-10-14 22:12:50 C 00 08 11.08 -02 31 51.4 – t J04
2012-10-14 22:18:52 C 00 08 09.54 -02 33 31.1 – t J04
2012-10-15 02:21:42 C 00 07 16.83 -03 40 32.5 – o H01
2012-10-15 02:31:32 C 00 07 14.42 -03 43 14.1 – o H01
2012-10-15 02:51:30 C 00 07 09.55 -03 48 42.8 – o H01
2012-10-15 02:56:54 C 00 07 08.21 -03 50 11.8 – o H01
2012-10-15 06:09:40 C 00 06 18.92 -04 42 57.5 – u H36
2012-10-15 06:12:46 C 00 06 18.10 -04 43 49.3 – u H36
2012-10-15 06:27:06 C 00 06 14.57 -04 47 42.8 – u H36
2012-10-15 06:41:19 C 00 06 11.05 -04 51 33.6 – u H36
2012-10-15 06:47:32 C 00 06 09.52 -04 53 16.0 – u H36
2012-10-15 20:34:03 C 00 03 13.58 -08 33 42.2 – t J04
2012-10-15 20:48:29 C 00 03 10.12 -08 37 30.0 – t J04
2012-10-15 21:01:22 C 00 03 07.02 -08 40 53.1 – t J04
2012-10-15 23:55:01 C 00 02 29.95 -09 24 24.1 – u 807
2012-10-15 23:59:16 C 00 02 28.94 -09 25 30.7 – u 807
2012-10-16 03:46:42 C 00 01 35.71 -10 26 14.2 – r H21
2012-10-16 03:51:12 C 00 01 34.68 -10 27 22.2 – r H21
2012-10-16 03:55:49 C 00 01 33.55 -10 28 34.3 – r H21
2012-10-16 03:59:07 C 00 01 32.78 -10 29 25.1 – r H21
2012-10-16 08:29:19 C 00 00 30.35 -11 37 54.4 – o 291
2012-10-16 08:31:06 C 00 00 29.91 -11 38 21.3 – o 291
2012-10-16 08:32:53 C 00 00 29.51 -11 38 48.2 – o 291
2012-10-16 22:00:01 C 23 57 42.80 -14 58 04.1 – t 204
2012-10-16 22:16:56 C 23 57 38.91 -15 02 08.0 – t 204
2012-10-17 02:41:59 C 23 56 48.59 -16 04 55.7 – o H01
2012-10-17 02:52:27 C 23 56 46.21 -16 07 24.3 – o H01
2012-10-17 03:02:06 C 23 56 44.03 -16 09 41.5 – o H01
2012-10-17 03:11:30 C 23 56 41.88 -16 11 54.9 – o H01
2012-10-19 00:39:36 C 23 47 45.23 -25 52 13.5 – u 807
2012-10-19 00:43:49 C 23 47 44.34 -25 53 01.8 – u 807
2012-10-19 00:48:10 C 23 47 43.40 -25 53 51.9 – u 807
2012-10-19 11:36:56 C 23 45 39.25 -27 54 05.5 – o 474
2012-10-19 11:39:30 C 23 45 38.69 -27 54 33.9 – o 474
2012-10-19 11:42:04 C 23 45 38.21 -27 55 00.7 – o 474
2012-10-19 11:44:38 C 23 45 37.71 -27 55 26.2 – o 474