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
2012-02-25 01:16:56 C 11 29 11.28 +00 55 34.3 c A24
2012-02-25 01:17:58 C 11 29 11.25 +00 55 35.3 c A24
2012-02-25 01:19:00 C 11 29 11.19 +00 55 36.1 c A24
2012-02-25 01:20:02 C 11 29 11.16 +00 55 36.8 c A24
2012-02-25 02:11:07 C 11 29 08.75 +00 56 21.4 c A24
2012-02-25 02:12:10 C 11 29 08.72 +00 56 21.9 c A24
2012-02-25 02:13:12 C 11 29 08.68 +00 56 22.5 c A24
2012-02-25 02:14:15 C 11 29 08.63 +00 56 23.3 c A24
2012-02-26 22:48:23 C 11 27 07.01 +01 34 54.4 c A24
2012-02-26 22:50:27 C 11 27 06.94 +01 34 57.0 c A24
2012-02-26 23:18:18 C 11 27 05.59 +01 35 21.2 c A24
2012-02-27 00:14:32 C 11 27 02.90 +01 36 09.0 c A24
2012-02-27 00:16:37 C 11 27 02.85 +01 36 11.2 c A24
2012-02-29 06:33:43 C 11 24 32.86 +02 23 01.6 18.0 c 704
2012-02-29 06:50:49 C 11 24 32.05 +02 23 16.1 18.1 c 704
2012-02-29 07:08:01 C 11 24 31.22 +02 23 31.4 18.2 c 704
2012-02-29 07:25:00 C 11 24 30.41 +02 23 46.0 18.4 c 704
2012-02-29 07:41:58 C 11 24 29.61 +02 23 59.5 18.2 c 704
2012-03-01 08:25:12 C 11 23 20.86 +02 45 12.3 r 703
2012-03-01 08:33:01 C 11 23 20.43 +02 45 19.5 r 703
2012-03-01 08:40:54 C 11 23 20.07 +02 45 26.9 r 703
2012-03-01 08:48:44 C 11 23 19.71 +02 45 33.3 r 703
2012-03-04 06:54:55 C 11 20 05.53 +03 45 06.5 r G96
2012-03-04 07:03:18 C 11 20 05.13 +03 45 13.6 r G96
2012-03-04 07:11:40 C 11 20 04.74 +03 45 20.5 r G96
2012-03-04 07:20:02 C 11 20 04.34 +03 45 27.6 r G96
2012-03-04 08:12:23 C 11 20 01.82 +03 46 11.7 r 703
2012-03-04 08:19:51 C 11 20 01.50 +03 46 18.0 r 703
2012-03-04 08:27:12 C 11 20 01.10 +03 46 24.5 r 703
2012-03-04 08:34:34 C 11 20 00.74 +03 46 30.8 r 703
2012-03-13 05:01:33 C 11 10 36.08 +06 37 14.0 r G96
2012-03-13 05:14:45 C 11 10 35.50 +06 37 24.1 r G96
2012-03-13 05:28:19 C 11 10 34.93 +06 37 34.3 r G96
2012-03-13 05:41:48 C 11 10 34.35 +06 37 44.6 r G96
2012-03-13 23:29:52 C 11 09 49.76 +06 51 06.3 c A24
2012-03-13 23:31:56 C 11 09 49.67 +06 51 08.3 c A24
2012-03-13 23:57:59 C 11 09 48.58 +06 51 27.9 c A24
2012-03-14 00:24:31 C 11 09 47.43 +06 51 47.2 c A24
2012-03-14 00:50:32 C 11 09 46.35 +06 52 06.7 c A24
2012-03-14 00:52:37 C 11 09 46.23 +06 52 08.0 c A24
2012-03-14 07:47:47 C 11 09 29.17 +06 57 19.1 o 291
2012-03-14 07:49:35 C 11 09 29.09 +06 57 20.4 o 291
2012-03-14 07:51:21 C 11 09 29.02 +06 57 21.7 o 291
2012-03-14 23:06:03 C 11 08 51.74 +07 08 36.5 c A24
2012-03-14 23:08:07 C 11 08 51.66 +07 08 38.1 c A24
2012-03-14 23:09:10 C 11 08 51.61 +07 08 38.5 c A24
2012-03-15 00:15:51 C 11 08 48.74 +07 09 28.0 c A24
2012-03-15 00:16:53 C 11 08 48.77 +07 09 28.2 c A24
2012-03-15 00:18:57 C 11 08 48.70 +07 09 30.7 c A24
2012-03-17 06:38:30 C 11 06 39.67 +07 48 33.6 18.5 c 704