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
2016-01-15 14:55:36 C 13 47 14.575 -04 12 00.21 L F51
2016-01-15 15:32:57 C 13 47 15.707 -04 11 55.55 L F51
2016-02-15 13:12:18 C 13 59 10.521 -01 08 24.61 L F51
2016-02-15 13:29:07 C 13 59 10.480 -01 08 18.32 L F51
2016-02-15 13:45:57 C 13 59 10.468 -01 08 12.14 L F51
2016-02-15 14:02:49 C 13 59 10.447 -01 08 06.09 L F51
2016-02-21 08:53:02 C 13 58 39.20 -00 14 09.8 u 807
2016-02-21 08:59:20 C 13 58 39.16 -00 14 07.3 u 807
2016-02-21 09:05:36 C 13 58 39.13 -00 14 05.2 u 807
2016-03-01 13:14:23 C 13 55 57.644 +01 21 51.19 L F51
2016-03-01 13:35:28 C 13 55 57.267 +01 22 00.73 L F51
2016-03-01 14:17:45 C 13 55 56.456 +01 22 20.27 L F51
2016-03-30 09:51:42 C 13 34 49.473 +07 00 15.43 L F51
2016-03-30 10:08:04 C 13 34 48.798 +07 00 23.12 L F51
2016-03-30 10:24:26 C 13 34 48.131 +07 00 30.73 L F51
2016-03-30 10:40:52 C 13 34 47.454 +07 00 38.34 L F51
2016-04-06 08:50:49 C 13 28 02.87 +08 14 32.8 q G96
2016-04-06 08:58:47 C 13 28 02.52 +08 14 36.3 q G96
2016-04-06 09:06:46 C 13 28 02.18 +08 14 39.7 q G96
2016-04-06 09:14:47 C 13 28 01.86 +08 14 43.0 q G96
2016-04-10 07:13:53 C 13 24 11.16 +08 52 52.0 q G96
2016-04-10 07:19:47 C 13 24 10.90 +08 52 54.7 q G96
2016-04-10 07:25:42 C 13 24 10.65 +08 52 56.7 q G96
2016-04-10 07:31:36 C 13 24 10.41 +08 52 58.6 q G96
2016-05-05 09:47:44 C 13 02 50.800 +11 34 13.06 L F51
2016-05-05 10:03:59 C 13 02 50.344 +11 34 15.45 L F51
2016-05-05 10:20:14 C 13 02 49.884 +11 34 17.55 L F51
2016-05-05 10:36:29 C 13 02 49.429 +11 34 19.82 L F51
2018-05-17 10:06:57 C 21 07 45.31 +03 46 28.4 U G96
2018-05-17 10:13:49 C 21 07 45.45 +03 46 31.7 U G96
2018-05-17 10:20:42 C 21 07 45.71 +03 46 34.0 U G96
2018-05-17 10:27:35 C 21 07 45.92 +03 46 36.7 U G96
2018-06-23 17:40:47 C 21 26 15.82 +08 04 24.4 q D29
2018-06-23 18:01:09 C 21 26 15.90 +08 04 28.9 q D29
2018-06-23 18:21:30 C 21 26 15.97 +08 04 33.0 q D29
2018-07-16 13:46:04 C 21 21 22.51 +08 50 14.8 U T05
2018-07-16 14:09:34 C 21 21 21.92 +08 50 13.8 U T05
2018-07-16 14:36:04 C 21 21 21.26 +08 50 10.9 U T05
2018-07-16 14:44:44 C 21 21 21.04 +08 50 10.8 U T05
2018-07-17 12:53:02 C 21 20 49.69 +08 48 30.3 U T08
2018-07-17 13:08:32 C 21 20 49.26 +08 48 28.4 U T08
2018-07-17 13:09:52 C 21 20 49.26 +08 48 29.5 U T08
2018-07-17 13:23:09 C 21 20 48.88 +08 48 28.4 U T08
2018-07-17 13:25:20 C 21 20 48.86 +08 48 27.5 U T08
2018-07-17 13:38:40 C 21 20 48.48 +08 48 27.2 U T08
2018-07-17 13:40:09 C 21 20 48.47 +08 48 26.9 U T08
2018-07-17 13:55:46 C 21 20 48.00 +08 48 25.4 U T08
2018-07-22 12:28:26 C 21 17 32.99 +08 33 18.1 U T08
2018-07-22 12:29:09 C 21 17 33.00 +08 33 17.8 U T08
2018-07-22 12:51:21 C 21 17 32.29 +08 33 13.9 U T08