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
2018-12-03 05:49:43 C 22 18 56.40 -26 21 49.6 U T08
2018-12-03 06:00:21 C 22 18 57.71 -26 21 51.1 U T08
2018-12-03 06:11:03 C 22 18 59.11 -26 21 50.9 U T08
2018-12-03 06:21:46 C 22 19 00.39 -26 21 51.4 U T08
2018-12-07 05:34:50 C 22 31 30.63 -26 21 42.8 U T08
2018-12-07 05:45:29 C 22 31 32.01 -26 21 42.0 U T08
2018-12-07 05:56:05 C 22 31 33.44 -26 21 41.8 U T08
2018-12-07 06:06:45 C 22 31 34.85 -26 21 41.5 U T08
2018-12-13 05:11:58 C 22 51 11.49 -26 09 08.0 V T05
2018-12-13 05:23:32 C 22 51 13.10 -26 09 06.4 V T05
2018-12-13 05:26:51 C 22 51 13.54 -26 09 05.5 V T05
2018-12-13 05:34:10 C 22 51 14.55 -26 09 05.1 V T05
2018-12-13 05:38:09 C 22 51 15.12 -26 09 03.7 V T05
2018-12-13 05:44:46 C 22 51 16.01 -26 09 03.2 V T05
2018-12-13 05:48:05 C 22 51 16.45 -26 09 02.4 V T05
2018-12-13 05:59:22 C 22 51 18.01 -26 09 01.4 V T05
2018-12-27 09:04:58 C 23 41 03.67 -24 37 50.3 q E89
2018-12-27 09:29:25 C 23 41 07.41 -24 37 39.9 q E89
2019-01-06 05:55:43 C 00 17 55.53 -22 41 38.9 V T05
2019-01-06 06:07:46 C 00 17 57.38 -22 41 32.3 V T05
2019-01-06 06:20:24 C 00 17 59.36 -22 41 24.4 V T05
2019-01-06 06:33:07 C 00 18 01.35 -22 41 16.7 V T05
2019-01-09 02:11:17 C 00 28 47.78 -22 00 03.0 V 703
2019-01-09 02:18:54 C 00 28 49.03 -21 59 58.3 V 703
2019-01-09 02:26:31 C 00 28 50.24 -21 59 53.2 V 703
2019-01-09 02:34:08 C 00 28 51.41 -21 59 49.1 V 703
2019-01-10 05:56:36 C 00 33 14.42 -21 42 05.4 V T05
2019-01-10 06:05:21 C 00 33 15.76 -21 41 59.4 V T05
2019-01-10 06:08:06 C 00 33 16.15 -21 41 57.7 V T05
2019-01-10 06:19:30 C 00 33 18.01 -21 41 49.8 V T05
2019-01-12 05:28:36 C 00 40 53.18 -21 10 00.3 V T08
2019-01-12 05:42:01 C 00 40 55.28 -21 09 50.8 V T08
2019-01-12 05:54:41 C 00 40 57.32 -21 09 42.1 V T08
2019-01-12 06:06:40 C 00 40 59.19 -21 09 33.7 V T08
2019-01-14 05:23:35 C 00 48 37.79 -20 35 58.6 V T05
2019-01-14 05:34:23 C 00 48 39.51 -20 35 50.6 V T05
2019-01-14 05:45:40 C 00 48 41.31 -20 35 42.4 V T05
2019-01-14 05:46:19 C 00 48 41.43 -20 35 42.2 V T05
2019-01-14 05:56:17 C 00 48 43.00 -20 35 35.1 V T05
2019-01-14 05:57:37 C 00 48 43.19 -20 35 33.6 V T05
2019-01-14 06:07:34 C 00 48 44.82 -20 35 26.3 V T05
2019-01-16 05:30:39 C 00 56 26.30 -20 00 07.2 V T08
2019-01-16 05:42:05 C 00 56 28.21 -19 59 59.0 V T08
2019-01-16 05:52:06 C 00 56 29.73 -19 59 50.9 V T08
2019-01-16 06:02:43 C 00 56 31.43 -19 59 42.1 V T08
2019-01-18 05:24:54 C 01 04 14.54 -19 22 48.6 V T05
2019-01-18 05:34:56 C 01 04 16.12 -19 22 41.0 V T05
2019-01-18 05:45:00 C 01 04 17.77 -19 22 33.0 V T05
2019-01-18 05:45:40 C 01 04 17.89 -19 22 31.4 V T05
2019-01-24 05:22:23 C 01 27 49.50 -17 21 20.1 V T08