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
2018-07-22 12:52:01 C 21 17 32.30 +08 33 13.7 U T08
2018-07-22 12:58:15 C 21 17 32.09 +08 33 12.7 U T08
2018-07-22 12:59:35 C 21 17 32.05 +08 33 13.1 U T08
2018-07-22 13:20:14 C 21 17 31.36 +08 33 08.7 U T08
2018-07-22 13:20:53 C 21 17 31.31 +08 33 08.6 U T08
2018-07-23 12:44:14 C 21 16 47.76 +08 28 52.2 U T05
2018-07-23 13:00:00 C 21 16 47.24 +08 28 49.5 U T05
2018-07-23 13:17:07 C 21 16 46.63 +08 28 46.1 U T05
2018-07-23 13:33:06 C 21 16 46.10 +08 28 43.4 U T05
2018-07-23 13:47:42 C 21 16 45.61 +08 28 40.6 U T05
2018-07-23 14:03:17 C 21 16 45.10 +08 28 37.4 U T05
2018-07-23 14:19:14 C 21 16 44.58 +08 28 34.2 U T05
2018-07-23 14:45:02 C 21 16 43.71 +08 28 28.8 U T05
2018-07-23 23:19:51 C 21 16 27.65 +08 26 44.6 q 160
2018-07-23 23:21:32 C 21 16 27.54 +08 26 43.5 q 160
2018-07-23 23:25:22 C 21 16 27.46 +08 26 43.5 q 160
2018-07-25 11:32:34 C 21 15 15.69 +08 19 00.1 U T08
2018-07-25 11:40:58 C 21 15 15.37 +08 18 58.7 U T08
2018-07-25 11:55:39 C 21 15 14.80 +08 18 55.6 U T08
2018-07-25 12:01:52 C 21 15 14.65 +08 18 54.4 U T08
2018-07-25 12:10:21 C 21 15 14.27 +08 18 52.1 U T08
2018-07-25 12:16:37 C 21 15 14.09 +08 18 51.8 U T08
2018-07-26 01:02:24 C 21 14 47.84 +08 15 46.2 q 160
2018-07-26 01:06:14 C 21 14 47.70 +08 15 45.0 q 160
2018-07-26 01:10:04 C 21 14 47.55 +08 15 44.4 q 160
2018-07-30 22:18:39 C 21 10 25.22 +07 41 31.4 q 160
2018-07-30 22:22:43 C 21 10 25.03 +07 41 29.4 q 160
2018-07-30 22:26:47 C 21 10 24.87 +07 41 27.7 q 160
2018-07-31 16:58:41 C 21 09 39.74 +07 34 57.3 q D29
2018-07-31 17:19:03 C 21 09 38.90 +07 34 49.4 q D29
2018-07-31 17:39:25 C 21 09 38.01 +07 34 42.3 q D29
2018-07-31 22:41:06 C 21 09 25.91 +07 32 51.1 q 160
2018-07-31 22:44:54 C 21 09 25.75 +07 32 49.5 q 160
2018-07-31 22:48:42 C 21 09 25.63 +07 32 47.7 q 160
2018-08-03 22:49:44 C 21 06 22.21 +07 03 59.1 q 160
2018-08-03 22:53:46 C 21 06 22.03 +07 03 57.4 q 160
2018-08-03 22:57:47 C 21 06 21.84 +07 03 55.7 q 160
2018-08-05 12:23:38 C 21 04 41.64 +06 47 03.3 U T05
2018-08-05 12:25:33 C 21 04 41.55 +06 47 02.4 U T05
2018-08-05 12:55:57 C 21 04 40.12 +06 46 48.5 U T05
2018-08-05 13:18:18 C 21 04 39.06 +06 46 37.5 U T05
2018-08-05 22:31:28 C 21 04 14.50 +06 42 11.8 q 160
2018-08-05 22:35:17 C 21 04 14.32 +06 42 10.0 q 160
2018-08-05 22:39:04 C 21 04 14.15 +06 42 08.2 q 160
2018-08-08 12:22:25 C 21 01 21.96 +06 10 44.1 U T05
2018-08-08 12:37:51 C 21 01 21.19 +06 10 35.5 U T05
2018-08-08 12:53:21 C 21 01 20.43 +06 10 27.3 U T05
2018-08-08 13:08:53 C 21 01 19.70 +06 10 19.1 U T05
2018-08-10 12:03:15 C 20 59 05.10 +05 43 55.1 U T08
2018-08-10 12:18:26 C 20 59 04.36 +05 43 46.3 U T08