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
2021-05-20 13:53:40 C 17 45 01.946 +05 10 45.30 U F51
2021-06-08 09:45:54 C 17 28 47.406 +06 19 33.56 U F51
2021-06-08 09:59:26 C 17 28 46.860 +06 19 34.42 U F51
2021-06-08 10:12:42 C 17 28 46.304 +06 19 35.69 U F51
2021-06-08 10:25:48 C 17 28 45.775 +06 19 36.65 U F51
2021-06-28 07:12:53 C 17 09 47.096 +06 19 31.05 U F51
2021-06-28 07:26:23 C 17 09 46.577 +06 19 30.03 U F51
2021-06-28 07:39:54 C 17 09 46.053 +06 19 28.73 U F51
2021-06-28 07:53:22 C 17 09 45.523 +06 19 27.84 U F51
2021-07-03 08:42:34 C 17 05 19.492 +06 06 52.83 U F51
2021-07-03 09:00:01 C 17 05 18.867 +06 06 50.52 U F51
2021-07-03 09:17:25 C 17 05 18.216 +06 06 48.67 U F51
2021-07-03 09:34:46 C 17 05 17.567 +06 06 46.32 U F51
2021-07-07 08:55:28 C 17 02 01.319 +05 53 28.62 U F51
2021-07-07 09:11:36 C 17 02 00.763 +05 53 26.11 U F51
2021-07-07 09:27:43 C 17 02 00.213 +05 53 23.44 U F51
2021-07-07 09:43:51 C 17 01 59.665 +05 53 21.08 U F51
2021-07-14 08:12:06 C 16 56 52.725 +05 23 36.17 U F51
2021-07-14 08:25:31 C 16 56 52.350 +05 23 33.30 U F51
2021-07-14 08:39:03 C 16 56 51.958 +05 23 30.48 U F51
2021-08-10 06:46:02 C 16 46 07.963 +02 30 58.41 U F51
2021-08-10 07:05:04 C 16 46 07.863 +02 30 52.22 U F51
2021-08-10 07:24:04 C 16 46 07.764 +02 30 46.32 U F51
2021-08-10 07:43:02 C 16 46 07.688 +02 30 40.43 U F51
2022-09-25 11:54:16 C 08 13 08.587 +00 54 21.46 V 703
2022-09-25 11:59:18 C 08 13 09.350 +00 54 19.15 V 703
2022-09-25 12:04:20 C 08 13 10.085 +00 54 17.17 V 703
2022-09-25 12:09:21 C 08 13 10.783 +00 54 14.44 V 703
2022-10-03 11:56:38 C 08 39 48.427 -00 51 01.73 V G96
2022-10-03 12:02:42 C 08 39 49.226 -00 51 04.86 V G96
2022-10-03 12:08:46 C 08 39 50.026 -00 51 08.06 V G96
2022-10-03 12:14:51 C 08 39 50.854 -00 51 11.30 V G96
2022-10-31 11:43:20 C 10 00 01.321 -06 16 34.50 V 703
2022-10-31 11:51:03 C 10 00 02.160 -06 16 37.31 V 703
2022-10-31 11:58:45 C 10 00 02.963 -06 16 40.94 V 703
2022-10-31 12:06:28 C 10 00 03.740 -06 16 43.64 V 703
2022-11-11 13:55:51 C 10 26 23.400 -07 58 57.61 V T08
2022-11-11 14:11:09 C 10 26 24.756 -07 59 03.44 V T08
2022-11-11 14:23:07 C 10 26 25.829 -07 59 07.30 V T08
2022-11-11 14:38:11 C 10 26 27.298 -07 59 12.44 V T08
2022-11-12 11:03:19 C 10 28 21.173 -08 06 20.70 V 703
2022-11-12 11:10:24 C 10 28 21.799 -08 06 24.23 V 703
2022-11-12 11:17:29 C 10 28 22.415 -08 06 25.56 V 703
2022-11-12 11:24:33 C 10 28 23.027 -08 06 26.39 V 703
2022-11-13 11:58:39 C 10 30 38.563 -08 14 51.22 V 703
2022-11-13 12:05:43 C 10 30 39.251 -08 14 53.34 V 703
2022-11-13 12:12:47 C 10 30 39.841 -08 14 55.00 V 703
2022-11-13 12:19:51 C 10 30 40.536 -08 14 58.27 V 703
2022-11-19 12:20:43 C 10 43 23.524 -09 00 46.22 V 703
2022-11-19 12:28:25 C 10 43 24.229 -09 00 48.38 V 703