21277 (1996 TO5)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5203590790 ± 1.59e-08
Semi-major axis (a)2.3779638326 AU ± 3.40e-09
Inclination (i)20.94777186° ± 5.24e-06
Long. of Asc. Node (Ω)167.32894408° ± 6.56e-06
Arg. of Perihelion (ω)250.20025431° ± 8.90e-06
Mean Anomaly (M)314.30877695° ± 5.37e-06
Mean Motion (n)0.2687846164°/day ± 5.77e-10
Perihelion dist (q)1.14056876 AU ± 3.77e-08
Aphelion dist (Q)3.61535890 AU ± 3.81e-08
Orbital Period3.66697431 yr ± 7.87e-09
Physical Parameters
H (abs. magnitude)16.18
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.376″
Uncertainty0
Orbit TypeAmor
MOID0.312571 AU
Observations Used971
Oppositions25
Arc Total1990-2024
First Observation Used1990-02-04
Last Observation Used2024-06-13
Observations (1030)
Date Type RA Dec Mag Band Observatory
2012-03-17 06:54:21 C 11 06 39.13 +07 48 45.5 19.0 c 704
2012-03-17 07:10:19 C 11 06 38.42 +07 48 56.5 18.7 c 704
2012-03-17 07:26:09 C 11 06 37.77 +07 49 07.9 18.8 c 704
2012-03-17 07:42:57 C 11 06 37.11 +07 49 19.7 18.8 c 704
2012-03-20 22:05:34 C 11 03 26.12 +08 47 41.7 u C73
2012-03-20 22:12:32 C 11 03 25.89 +08 47 46.4 u C73
2012-03-20 22:19:31 C 11 03 25.58 +08 47 50.8 u C73
2012-03-21 06:06:06 C 11 03 09.46 +08 52 54.2 r G96
2012-03-21 06:13:32 C 11 03 09.21 +08 52 58.9 r G96
2012-03-21 06:20:57 C 11 03 08.92 +08 53 03.8 r G96
2012-03-21 06:28:20 C 11 03 08.67 +08 53 08.4 r G96
2012-03-22 06:22:20 C 11 02 19.63 +09 08 20.6 18.5 c 704
2012-03-22 06:37:39 C 11 02 19.10 +09 08 30.4 18.9 c 704
2012-03-22 06:53:02 C 11 02 18.62 +09 08 40.1 19.1 c 704
2012-03-22 07:08:21 C 11 02 17.98 +09 08 49.9 19.0 c 704
2012-03-22 07:23:38 C 11 02 17.47 +09 08 59.1 18.9 c 704
2012-03-24 02:50:53 C 11 00 52.95 +09 35 37.6 o G48
2012-03-24 02:52:07 C 11 00 52.93 +09 35 38.4 o G48
2012-03-24 02:53:24 C 11 00 52.87 +09 35 39.2 o G48
2012-03-24 02:54:37 C 11 00 52.84 +09 35 39.8 o G48
2012-03-24 02:55:50 C 11 00 52.81 +09 35 40.3 o G48
2012-03-25 06:34:21 C 11 00 01.10 +09 52 00.1 18.8 c 704
2012-03-25 06:49:34 C 11 00 00.71 +09 52 07.9 19.2 c 704
2012-03-25 07:05:19 C 11 00 00.21 +09 52 15.7 19.3 c 704
2012-03-25 07:20:30 C 10 59 59.67 +09 52 25.0 18.8 c 704
2012-03-25 07:35:43 C 10 59 59.18 +09 52 34.7 19.1 c 704
2012-03-26 21:21:10 C 10 58 53.19 +10 13 57.0 c A24
2012-03-26 21:42:17 C 10 58 52.55 +10 14 08.5 c A24
2012-03-26 22:25:01 C 10 58 51.28 +10 14 31.7 c A24
2012-03-26 22:27:05 C 10 58 51.29 +10 14 32.7 c A24
2012-03-26 23:17:13 C 10 58 49.76 +10 15 01.1 c A24
2012-03-26 23:19:16 C 10 58 49.66 +10 15 02.1 c A24
2012-03-26 23:41:09 C 10 58 48.99 +10 15 14.2 c A24
2012-03-27 00:03:33 C 10 58 48.34 +10 15 26.1 c A24
2012-03-27 00:27:30 C 10 58 47.75 +10 15 39.0 c A24
2012-03-27 20:33:57 C 10 58 14.63 +10 26 38.6 c A24
2012-03-27 20:36:02 C 10 58 14.57 +10 26 38.4 c A24
2012-03-28 07:32:38 C 10 57 56.926 +10 32 31.88 L F51
2012-03-28 07:49:20 C 10 57 56.455 +10 32 40.77 L F51
2012-03-28 21:58:20 C 10 57 34.07 +10 40 05.6 c A24
2012-03-28 22:00:26 C 10 57 34.02 +10 40 06.1 c A24
2012-03-28 22:41:07 C 10 57 32.92 +10 40 27.4 c A24
2012-03-28 23:22:18 C 10 57 31.79 +10 40 49.1 c A24
2012-03-29 00:02:59 C 10 57 30.71 +10 41 10.4 c A24
2012-03-29 00:05:04 C 10 57 30.64 +10 41 10.6 c A24
2012-03-30 04:04:50 C 10 56 48.87 +10 55 29.9 18.6 c 704
2012-03-30 04:19:34 C 10 56 48.55 +10 55 37.0 18.8 c 704
2012-03-30 04:49:05 C 10 56 47.83 +10 55 51.9 19.5 c 704
2012-03-30 05:03:52 C 10 56 47.45 +10 55 58.6 19.0 c 704
2016-01-15 14:36:57 C 13 47 14.015 -04 12 02.67 L F51