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
2023-03-28 06:28:59 C 10 59 51.598 +10 23 34.87 V 703
2023-03-28 06:36:34 C 10 59 51.400 +10 23 39.05 V 703
2023-03-28 06:44:16 C 10 59 51.166 +10 23 43.22 V 703
2023-04-10 14:28:09 C 10 53 30.18 +12 43 28.0 V D29
2023-04-10 14:48:30 C 10 53 29.91 +12 43 34.5 V D29
2023-04-10 15:08:52 C 10 53 29.66 +12 43 41.5 V D29
2023-04-16 14:08:44 C 10 52 21.93 +13 25 23.4 V D29
2023-04-16 14:29:05 C 10 52 21.83 +13 25 28.6 V D29
2023-04-16 14:49:27 C 10 52 21.67 +13 25 33.3 V D29
2023-05-14 04:06:52 C 10 59 04.852 +14 28 12.40 V G96
2023-05-14 04:15:00 C 10 59 05.006 +14 28 11.93 V G96
2023-05-14 04:23:08 C 10 59 05.204 +14 28 11.71 V G96
2023-05-14 04:31:17 C 10 59 05.363 +14 28 11.82 V G96
2023-06-07 04:02:39 C 11 16 21.277 +13 26 57.37 V G96
2023-06-07 04:10:15 C 11 16 21.500 +13 26 55.36 V G96
2023-06-07 04:17:52 C 11 16 21.781 +13 26 55.28 V G96
2023-06-07 04:25:28 C 11 16 22.084 +13 26 53.30 V G96
2024-05-04 08:35:05 C 15 42 42.581 +06 37 20.50 V G96
2024-05-04 08:42:29 C 15 42 42.296 +06 37 22.40 V G96
2024-05-04 08:57:16 C 15 42 41.760 +06 37 26.04 V G96
2024-05-08 11:33:03 C 15 39 07.822 +07 00 13.63 X F51
2024-05-08 12:03:57 C 15 39 06.664 +07 00 20.38 X F51
2024-05-08 12:19:27 C 15 39 06.087 +07 00 23.76 X F51
2024-06-06 09:21:46 C 15 14 44.882 +08 17 38.58 X F51
2024-06-06 09:46:31 C 15 14 44.119 +08 17 38.75 X F51
2024-06-06 10:03:52 C 15 14 43.569 +08 17 38.79 X F51
2024-06-13 10:20:03 C 15 10 00.638 +08 13 23.63 X F52
2024-06-13 10:38:17 C 15 10 00.151 +08 13 22.87 X F52
2024-06-13 10:56:25 C 15 09 59.663 +08 13 21.71 X F52
2024-06-13 11:14:35 C 15 09 59.187 +08 13 20.79 X F52