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
2022-11-19 12:36:07 C 10 43 24.888 -09 00 49.93 V 703
2022-11-19 12:43:50 C 10 43 25.514 -09 00 52.49 V 703
2022-11-25 11:49:09 C 10 55 09.340 -09 40 14.70 V 703
2022-11-25 11:56:49 C 10 55 09.995 -09 40 17.36 V 703
2022-11-25 12:04:29 C 10 55 10.546 -09 40 18.80 V 703
2022-11-25 12:12:09 C 10 55 11.125 -09 40 20.24 V 703
2022-11-26 14:52:57 C 10 57 16.283 -09 46 56.31 U F51
2022-11-26 15:04:11 C 10 57 17.141 -09 46 59.10 U F51
2022-11-26 15:15:22 C 10 57 17.988 -09 47 01.83 U F51
2022-11-26 15:26:34 C 10 57 18.839 -09 47 04.57 U F51
2022-12-01 11:18:30 C 11 05 59.039 -10 12 59.04 V 703
2022-12-01 11:25:54 C 11 05 59.546 -10 12 59.87 V 703
2022-12-01 11:33:18 C 11 06 00.043 -10 13 02.32 V 703
2022-12-01 11:40:43 C 11 06 00.540 -10 13 03.36 V 703
2022-12-02 07:58:39 C 11 07 27.926 -10 16 59.59 V W68
2022-12-02 08:03:13 C 11 07 28.207 -10 17 00.38 V W68
2022-12-02 08:11:03 C 11 07 28.810 -10 17 01.50 V W68
2022-12-02 08:19:33 C 11 07 29.426 -10 17 03.34 V W68
2022-12-10 12:33:11 C 11 20 31.304 -10 48 26.06 V G96
2022-12-10 12:40:37 C 11 20 31.754 -10 48 27.04 V G96
2022-12-10 12:48:02 C 11 20 32.190 -10 48 27.90 V G96
2022-12-10 12:55:30 C 11 20 32.636 -10 48 28.84 V G96
2022-12-21 12:48:42 C 11 34 58.415 -11 05 38.69 V G96
2022-12-21 12:55:28 C 11 34 58.724 -11 05 38.62 V G96
2022-12-21 13:02:13 C 11 34 59.034 -11 05 38.65 V G96
2022-12-21 13:08:59 C 11 34 59.351 -11 05 38.76 V G96
2022-12-22 10:43:00 C 11 36 00.205 -11 05 38.08 V 703
2022-12-22 10:50:42 C 11 36 00.511 -11 05 38.33 V 703
2022-12-22 10:58:24 C 11 36 00.893 -11 05 38.40 V 703
2022-12-22 11:06:06 C 11 36 01.242 -11 05 38.26 V 703
2022-12-28 01:32:35 C 11 41 42.048 -11 00 10.12 V M22
2022-12-28 01:54:44 C 11 41 42.809 -11 00 08.24 V M22
2022-12-28 01:59:17 C 11 41 43.001 -11 00 08.17 V M22
2022-12-28 02:03:52 C 11 41 43.176 -11 00 07.96 V M22
2023-01-01 01:27:53 C 11 45 05.059 -10 50 28.21 V M22
2023-01-01 01:32:28 C 11 45 05.210 -10 50 29.00 V M22
2023-01-01 01:40:59 C 11 45 05.388 -10 50 26.77 V M22
2023-01-01 02:06:24 C 11 45 06.262 -10 50 24.50 V M22
2023-01-19 07:07:22 C 11 52 52.555 -08 55 59.09 V W68
2023-01-19 07:12:33 C 11 52 52.579 -08 55 57.43 V W68
2023-01-19 07:17:06 C 11 52 52.577 -08 55 56.06 V W68
2023-01-19 07:33:14 C 11 52 52.574 -08 55 49.04 V W68
2023-01-20 14:13:53 C 11 52 55.222 -08 43 08.90 V T05
2023-01-20 14:18:34 C 11 52 55.219 -08 43 06.56 V T05
2023-01-20 14:26:24 C 11 52 55.243 -08 43 03.50 V T05
2023-01-20 15:12:55 C 11 52 55.066 -08 42 43.52 V T05
2023-01-21 01:36:49 C 11 52 55.332 -08 38 07.15 V M22
2023-01-21 01:39:26 C 11 52 55.282 -08 38 06.54 V M22
2023-01-21 01:47:52 C 11 52 55.277 -08 38 02.65 V M22
2023-01-21 02:20:26 C 11 52 55.212 -08 37 48.11 V M22