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
2023-02-14 19:15:17 C 11 40 51.91 -02 22 21.8 V D29
2023-02-14 19:35:39 C 11 40 51.12 -02 22 04.9 V D29
2023-02-14 19:56:01 C 11 40 50.30 -02 21 49.1 V D29
2023-02-15 05:44:29 C 11 40 28.373 -02 13 47.57 V W68
2023-02-15 05:47:04 C 11 40 28.277 -02 13 45.01 V W68
2023-02-15 05:58:49 C 11 40 27.814 -02 13 35.15 V W68
2023-02-15 06:42:57 C 11 40 26.071 -02 13 00.23 V W68
2023-02-19 05:36:18 C 11 36 38.436 -00 54 52.70 V W68
2023-02-19 05:41:29 C 11 36 38.203 -00 54 48.82 V W68
2023-02-19 05:46:02 C 11 36 38.028 -00 54 44.60 V W68
2023-02-19 05:54:28 C 11 36 37.644 -00 54 37.73 V W68
2023-02-19 16:49:54 C 11 36 10.243 -00 45 29.20 V P07
2023-02-19 17:56:50 C 11 36 07.291 -00 44 32.10 V P07
2023-02-19 18:58:44 C 11 36 04.507 -00 43 40.01 V P07
2023-02-19 20:07:57 C 11 36 01.466 -00 42 41.94 V P07
2023-02-21 22:55:31 C 11 33 50.868 +00 00 19.80 V M22
2023-02-21 23:04:26 C 11 33 50.470 +00 00 27.54 V M22
2023-02-21 23:36:59 C 11 33 48.984 +00 00 55.12 V M22
2023-02-21 23:39:35 C 11 33 48.854 +00 00 57.20 V M22
2023-02-22 18:09:38 C 11 32 59.95 +00 16 35.7 V D29
2023-02-22 18:30:00 C 11 32 59.01 +00 16 52.9 V D29
2023-02-25 10:33:58 C 11 30 06.977 +01 11 50.32 V T05
2023-02-25 11:24:47 C 11 30 04.541 +01 12 33.95 V T05
2023-02-25 11:29:28 C 11 30 04.320 +01 12 38.09 V T05
2023-02-25 11:50:08 C 11 30 03.370 +01 12 56.45 V T05
2023-02-26 16:46:31 C 11 28 44.19 +01 37 47.0 V D29
2023-02-26 17:06:52 C 11 28 43.21 +01 38 04.4 V D29
2023-02-26 17:27:14 C 11 28 42.24 +01 38 21.9 V D29
2023-02-26 17:50:47 C 11 28 41.12 +01 38 42.0 V D29
2023-02-26 18:11:09 C 11 28 40.16 +01 38 59.6 V D29
2023-02-26 18:31:31 C 11 28 39.19 +01 39 17.2 V D29
2023-02-27 06:22:47 C 11 28 06.648 +01 49 36.95 V W68
2023-02-27 06:27:20 C 11 28 06.432 +01 49 40.76 V W68
2023-02-27 06:35:08 C 11 28 06.072 +01 49 47.42 V W68
2023-02-27 07:26:12 C 11 28 03.559 +01 50 30.88 V W68
2023-02-28 06:05:53 C 11 27 01.426 +02 09 49.79 V G96
2023-02-28 06:14:02 C 11 27 01.037 +02 09 56.77 V G96
2023-02-28 06:22:11 C 11 27 00.652 +02 10 03.86 V G96
2023-02-28 06:36:37 C 11 26 59.953 +02 10 16.14 V G96
2023-03-01 15:15:28 C 11 25 29.37 +02 38 12.4 V D29
2023-03-01 15:30:30 C 11 25 28.66 +02 38 26.2 V D29
2023-03-01 15:45:32 C 11 25 27.96 +02 38 37.9 V D29
2023-03-03 02:57:43 C 11 23 50.254 +03 08 44.77 V W68
2023-03-03 03:02:16 C 11 23 50.018 +03 08 48.05 V W68
2023-03-03 03:51:35 C 11 23 47.633 +03 09 29.88 V W68
2023-03-03 04:09:19 C 11 23 46.778 +03 09 45.11 V W68
2023-03-03 08:15:15 C 11 23 35.221 +03 13 05.30 V 703
2023-03-03 08:22:53 C 11 23 34.868 +03 13 12.07 V 703
2023-03-03 08:30:30 C 11 23 34.440 +03 13 18.30 V 703
2023-03-03 08:38:07 C 11 23 34.098 +03 13 25.00 V 703