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
2023-03-03 14:54:14 C 11 23 17.00 +03 18 43.1 V D29
2023-03-03 15:06:36 C 11 23 16.38 +03 18 53.6 V D29
2023-03-03 15:18:57 C 11 23 15.81 +03 19 03.7 V D29
2023-03-10 05:49:29 C 11 16 01.860 +05 29 46.39 V W68
2023-03-10 05:54:04 C 11 16 01.678 +05 29 50.46 V W68
2023-03-10 06:02:35 C 11 16 01.226 +05 29 57.30 V W68
2023-03-10 06:26:52 C 11 16 00.168 +05 30 15.95 V W68
2023-03-11 05:53:52 C 11 14 58.042 +05 48 48.92 V W68
2023-03-11 05:57:46 C 11 14 57.854 +05 48 52.27 V W68
2023-03-11 06:06:16 C 11 14 57.401 +05 48 58.57 V W68
2023-03-11 06:26:37 C 11 14 56.546 +05 49 14.63 V W68
2023-03-11 12:44:12 C 11 14 40.553 +05 54 10.40 V P07
2023-03-11 13:52:55 C 11 14 37.435 +05 55 03.43 V P07
2023-03-11 15:07:22 C 11 14 34.068 +05 56 01.61 V P07
2023-03-11 16:14:04 C 11 14 30.998 +05 56 53.81 V P07
2023-03-11 17:31:06 C 11 14 27.509 +05 57 54.07 V P07
2023-03-11 18:41:57 C 11 14 24.211 +05 58 49.30 V P07
2023-03-12 22:55:13 C 11 13 11.28 +06 20 31.0 V 130
2023-03-12 23:00:20 C 11 13 11.04 +06 20 35.1 V 130
2023-03-12 23:06:19 C 11 13 10.79 +06 20 39.5 V 130
2023-03-13 07:00:54 C 11 12 50.483 +06 26 44.12 V G96
2023-03-13 07:08:19 C 11 12 50.141 +06 26 49.85 V G96
2023-03-13 07:15:45 C 11 12 49.817 +06 26 55.54 V G96
2023-03-13 07:23:10 C 11 12 49.482 +06 27 01.19 V G96
2023-03-13 08:45:59 C 11 12 45.799 +06 28 04.30 V 703
2023-03-13 08:53:50 C 11 12 45.450 +06 28 09.70 V 703
2023-03-13 09:01:40 C 11 12 45.090 +06 28 16.03 V 703
2023-03-13 09:09:31 C 11 12 44.795 +06 28 22.87 V 703
2023-03-13 22:32:47 C 11 12 10.867 +06 38 39.84 V M22
2023-03-13 22:38:00 C 11 12 10.610 +06 38 43.40 V M22
2023-03-13 22:46:27 C 11 12 10.217 +06 38 49.56 V M22
2023-03-13 23:32:14 C 11 12 08.234 +06 39 24.62 V M22
2023-03-14 03:53:11 C 11 11 57.403 +06 42 40.72 V W68
2023-03-14 03:55:47 C 11 11 57.293 +06 42 43.70 V W68
2023-03-14 04:46:46 C 11 11 55.099 +06 43 22.22 V W68
2023-03-14 05:28:00 C 11 11 53.222 +06 43 52.07 V W68
2023-03-15 04:45:43 C 11 10 54.972 +07 01 14.70 V W68
2023-03-15 04:50:16 C 11 10 54.749 +07 01 18.16 V W68
2023-03-15 05:01:59 C 11 10 54.310 +07 01 26.83 V W68
2023-03-15 05:48:40 C 11 10 52.262 +07 02 00.82 V W68
2023-03-15 09:19:47 C 11 10 43.796 +07 04 30.83 U F51
2023-03-15 09:36:36 C 11 10 43.069 +07 04 43.29 U F51
2023-03-15 09:53:30 C 11 10 42.341 +07 04 55.70 U F51
2023-03-15 10:10:25 C 11 10 41.607 +07 05 08.21 U F51
2023-03-17 14:04:17 C 11 08 36.206 +07 42 42.98 V P07
2023-03-17 15:51:23 C 11 08 31.790 +07 43 59.48 V P07
2023-03-17 17:00:08 C 11 08 28.944 +07 44 47.29 V P07
2023-03-17 18:24:39 C 11 08 25.478 +07 45 46.91 V P07
2023-03-18 12:19:48 C 11 07 44.258 +07 58 19.70 V P07
2023-03-18 13:21:34 C 11 07 41.753 +07 59 03.23 V P07