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
2023-01-24 13:22:19 C 11 52 38.107 -07 59 18.10 V T05
2023-01-24 13:24:56 C 11 52 38.088 -07 59 16.69 V T05
2023-01-24 13:29:31 C 11 52 38.062 -07 59 14.46 V T05
2023-01-24 13:37:20 C 11 52 37.975 -07 59 11.04 V T05
2023-01-25 00:49:08 C 11 52 33.521 -07 53 29.11 V M22
2023-01-25 01:20:32 C 11 52 33.223 -07 53 12.91 V M22
2023-01-25 01:25:58 C 11 52 33.163 -07 53 10.64 V M22
2023-01-25 01:35:44 C 11 52 33.086 -07 53 05.46 V M22
2023-01-26 09:06:38 C 11 52 17.310 -07 37 01.63 V 703
2023-01-26 09:14:11 C 11 52 17.288 -07 36 58.00 V 703
2023-01-26 09:21:44 C 11 52 17.130 -07 36 53.75 V 703
2023-01-26 09:29:18 C 11 52 17.101 -07 36 49.39 V 703
2023-01-26 09:58:36 C 11 52 16.766 -07 36 34.45 V G96
2023-01-26 10:06:00 C 11 52 16.684 -07 36 30.46 V G96
2023-01-26 10:13:24 C 11 52 16.604 -07 36 26.57 V G96
2023-01-26 10:20:49 C 11 52 16.514 -07 36 22.64 V G96
2023-01-27 07:01:50 C 11 52 03.828 -07 25 12.76 V W68
2023-01-27 07:06:23 C 11 52 03.754 -07 25 10.16 V W68
2023-01-27 07:14:11 C 11 52 03.655 -07 25 06.02 V W68
2023-01-27 07:44:51 C 11 52 03.252 -07 24 49.21 V W68
2023-01-29 08:50:43 C 11 51 25.808 -06 57 33.59 V 703
2023-01-29 08:58:40 C 11 51 25.697 -06 57 29.27 V 703
2023-01-29 09:06:36 C 11 51 25.549 -06 57 24.70 V 703
2023-01-29 09:14:33 C 11 51 25.459 -06 57 19.66 V 703
2023-01-31 06:15:45 C 11 50 42.230 -06 30 36.14 V W68
2023-01-31 06:34:14 C 11 50 41.851 -06 30 24.66 V W68
2023-01-31 06:38:47 C 11 50 41.760 -06 30 22.25 V W68
2023-01-31 06:47:14 C 11 50 41.604 -06 30 17.53 V W68
2023-01-31 16:59:07 C 11 50 30.76 -06 24 12.3 V D29
2023-01-31 17:16:49 C 11 50 30.40 -06 24 01.5 V D29
2023-02-01 08:36:49 C 11 50 13.117 -06 14 32.14 V 703
2023-02-01 08:44:27 C 11 50 12.988 -06 14 28.00 V 703
2023-02-01 08:52:05 C 11 50 12.829 -06 14 23.14 V 703
2023-02-01 08:59:42 C 11 50 12.682 -06 14 18.20 V 703
2023-02-01 22:31:22 C 11 49 56.834 -06 05 39.77 V M22
2023-02-01 23:12:33 C 11 49 55.934 -06 05 13.81 V M22
2023-02-01 23:17:08 C 11 49 55.853 -06 05 10.86 V M22
2023-02-01 23:29:54 C 11 49 55.519 -06 05 03.66 V M22
2023-02-04 09:09:59 C 11 48 39.089 -05 27 35.03 V 703
2023-02-04 09:18:00 C 11 48 38.801 -05 27 31.36 V 703
2023-02-04 09:26:02 C 11 48 38.556 -05 27 25.78 V 703
2023-02-04 09:34:04 C 11 48 38.351 -05 27 19.87 V 703
2023-02-13 07:58:32 C 11 42 10.033 -02 50 24.22 V 703
2023-02-13 08:07:21 C 11 42 09.684 -02 50 17.41 V 703
2023-02-13 08:16:09 C 11 42 09.331 -02 50 10.25 V 703
2023-02-13 08:24:57 C 11 42 09.032 -02 50 03.01 V 703
2023-02-13 23:45:01 C 11 41 35.616 -02 37 46.67 V M22
2023-02-13 23:47:36 C 11 41 35.537 -02 37 44.58 V M22
2023-02-13 23:52:09 C 11 41 35.347 -02 37 41.09 V M22
2023-02-14 00:28:12 C 11 41 33.950 -02 37 12.32 V M22