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
2019-01-24 05:32:29 C 01 27 51.18 -17 21 11.4 V T08
2019-01-24 05:41:11 C 01 27 52.54 -17 21 03.6 V T08
2019-01-24 05:50:31 C 01 27 54.12 -17 20 54.9 V T08
2019-01-27 09:19:22 C 01 40 19.49 -16 11 51.5 q E89
2019-01-27 09:49:55 C 01 40 24.50 -16 11 22.4 q E89
2019-02-01 02:38:49 C 01 59 01.36 -14 22 37.1 V 703
2019-02-01 02:46:40 C 01 59 02.66 -14 22 29.2 V 703
2019-02-01 02:54:30 C 01 59 03.94 -14 22 21.2 V 703
2019-02-01 03:02:21 C 01 59 05.20 -14 22 13.3 V 703
2019-02-04 06:38:03 C 02 11 34.28 -13 05 44.5 V T05
2019-02-04 06:50:22 C 02 11 36.33 -13 05 31.4 V T05
2019-02-04 07:01:45 C 02 11 38.14 -13 05 20.3 V T05
2019-02-04 07:13:58 C 02 11 40.20 -13 05 07.4 V T05
2019-02-12 02:09:30 C 02 42 30.55 -09 47 11.8 V 703
2019-02-12 02:17:13 C 02 42 31.74 -09 47 04.3 V 703
2019-02-12 02:24:54 C 02 42 33.03 -09 46 55.9 V 703
2019-02-12 02:32:36 C 02 42 34.29 -09 46 47.2 V 703
2019-02-22 06:35:28 C 03 22 28.47 -05 19 23.5 V T08
2019-02-22 06:44:17 C 03 22 29.90 -05 19 12.9 V T08
2019-02-22 06:54:18 C 03 22 31.60 -05 19 02.7 V T08
2019-02-22 07:04:59 C 03 22 33.24 -05 18 50.2 V T08
2019-03-01 03:31:45 C 03 49 02.68 -02 20 45.7 V 703
2019-03-01 03:39:59 C 03 49 03.98 -02 20 37.5 V 703
2019-03-01 03:56:26 C 03 49 06.43 -02 20 18.3 V 703
2019-03-15 03:13:32 C 04 41 40.96 +03 15 22.2 V 703
2019-03-15 03:29:54 C 04 41 43.61 +03 15 35.7 V 703
2019-03-15 03:38:06 C 04 41 44.85 +03 15 43.3 V 703
2020-03-22 13:25:41 C 15 05 50.392 +03 01 53.21 U F52
2020-03-22 13:26:37 C 15 05 50.339 +03 01 53.58 U F52
2020-03-22 13:41:48 C 15 05 50.053 +03 01 59.52 U F52
2020-03-22 13:42:44 C 15 05 50.013 +03 01 59.85 U F52
2020-03-22 13:57:53 C 15 05 49.699 +03 02 05.90 U F52
2020-03-22 13:58:49 C 15 05 49.695 +03 02 06.05 U F52
2020-03-22 14:14:52 C 15 05 49.357 +03 02 12.34 U F52
2020-04-19 11:53:53 C 14 46 03.141 +07 09 07.84 U F52
2020-04-19 12:09:57 C 14 46 02.536 +07 09 13.45 U F52
2020-04-19 12:26:01 C 14 46 01.956 +07 09 18.17 U F52
2020-04-19 12:42:06 C 14 46 01.327 +07 09 23.59 U F52
2020-04-22 08:41:31 C 14 43 29.67 +07 30 36.4 V G96
2020-04-22 08:48:56 C 14 43 29.37 +07 30 38.6 V G96
2020-04-22 08:56:21 C 14 43 29.07 +07 30 41.1 V G96
2020-04-22 09:03:46 C 14 43 28.82 +07 30 43.4 V G96
2020-04-28 12:06:12 C 14 37 54.909 +08 12 18.80 U F51
2020-04-28 12:40:11 C 14 37 53.597 +08 12 27.66 U F51
2020-04-28 12:57:09 C 14 37 52.927 +08 12 32.22 U F51
2020-05-13 07:15:20 C 14 24 52.492 +09 24 04.53 U F52
2020-05-13 07:33:27 C 14 24 51.868 +09 24 07.10 U F52
2020-05-13 07:51:33 C 14 24 51.234 +09 24 09.69 U F52
2021-05-20 13:04:18 C 17 45 03.526 +05 10 34.91 U F51
2021-05-20 13:37:11 C 17 45 02.492 +05 10 41.85 U F51