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
2018-08-10 12:32:51 C 20 59 03.62 +05 43 37.5 U T08
2018-08-10 12:34:19 C 20 59 03.54 +05 43 36.9 U T08
2018-08-10 12:49:24 C 20 59 02.79 +05 43 27.8 U T08
2018-08-14 11:27:35 C 20 54 23.64 +04 43 42.6 U T08
2018-08-14 11:42:50 C 20 54 22.74 +04 43 37.8 U T08
2018-08-14 11:58:43 C 20 54 21.96 +04 43 21.9 U T08
2018-08-14 12:13:48 C 20 54 21.23 +04 43 11.7 U T08
2018-08-16 22:38:46 C 20 51 26.41 +04 02 03.1 q 160
2018-08-16 22:41:40 C 20 51 26.23 +04 02 01.0 q 160
2018-08-16 22:44:32 C 20 51 26.09 +04 01 58.8 q 160
2018-08-17 02:52:22 C 20 51 13.82 +03 58 57.2 V W71
2018-08-17 02:55:39 C 20 51 13.66 +03 58 54.8 V W71
2018-08-17 03:02:15 C 20 51 13.31 +03 58 49.6 V W71
2018-08-17 03:05:06 C 20 51 13.19 +03 58 47.4 V W71
2018-08-17 03:08:01 C 20 51 13.06 +03 58 45.3 V W71
2018-08-17 22:38:43 C 20 50 14.30 +03 44 16.6 V C95
2018-08-17 22:42:06 C 20 50 14.14 +03 44 14.1 V C95
2018-08-17 22:45:30 C 20 50 13.93 +03 44 11.3 V C95
2018-08-18 10:51:42 C 20 49 37.36 +03 35 05.9 U T08
2018-08-18 11:07:24 C 20 49 36.54 +03 34 53.7 U T08
2018-08-18 11:22:13 C 20 49 35.77 +03 34 42.7 U T08
2018-08-18 11:37:20 C 20 49 34.99 +03 34 31.1 U T08
2018-08-18 23:05:28 C 20 49 00.84 +03 25 39.6 q 122
2018-08-18 23:10:35 C 20 49 00.59 +03 25 36.0 q 122
2018-08-18 23:15:25 C 20 49 00.34 +03 25 32.2 q 122
2018-08-18 23:20:13 C 20 49 00.09 +03 25 28.5 q 122
2018-08-20 10:55:56 C 20 47 13.42 +02 57 29.5 U T05
2018-08-20 10:58:35 C 20 47 13.29 +02 57 27.8 U T05
2018-08-20 11:26:00 C 20 47 11.85 +02 57 06.3 U T05
2018-08-20 11:41:28 C 20 47 11.02 +02 56 53.7 U T05
2018-08-20 11:44:15 C 20 47 10.93 +02 56 51.8 U T05
2018-08-27 22:24:59 C 20 38 35.77 +00 21 23.2 S 160
2018-08-27 22:28:01 C 20 38 35.61 +00 21 20.6 S 160
2018-08-27 22:31:08 C 20 38 35.44 +00 21 17.4 S 160
2018-08-28 21:58:39 C 20 37 31.67 -00 00 42.0 q 160
2018-08-28 22:01:36 C 20 37 31.57 -00 00 44.7 q 160
2018-08-28 22:04:33 C 20 37 31.43 -00 00 47.6 q 160
2018-08-29 00:58:41 C 20 37 24.05 -00 03 30.5 q W34
2018-08-29 01:14:12 C 20 37 23.34 -00 03 45.5 q W34
2018-08-29 01:30:06 C 20 37 22.59 -00 04 00.5 q W34
2018-09-01 10:08:45 C 20 33 53.24 -01 21 59.3 U T05
2018-09-01 10:24:10 C 20 33 52.56 -01 22 14.3 U T05
2018-09-01 10:38:58 C 20 33 51.91 -01 22 29.4 U T05
2018-09-01 10:54:06 C 20 33 51.26 -01 22 44.1 U T05
2018-09-03 10:02:10 C 20 31 57.80 -02 09 43.6 U T08
2018-09-03 10:14:38 C 20 31 57.24 -02 09 56.2 U T08
2018-09-03 10:17:24 C 20 31 57.16 -02 09 58.8 U T08
2018-09-03 10:29:19 C 20 31 56.68 -02 10 11.0 U T08
2018-09-03 10:31:59 C 20 31 56.54 -02 10 13.8 U T08
2018-09-03 10:44:41 C 20 31 56.00 -02 10 26.8 U T08