408752 (1991 TB2)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7923427538 ± 2.63e-08
Semi-major axis (a)2.0455116665 AU ± 8.47e-09
Inclination (i)7.92973060° ± 4.53e-06
Long. of Asc. Node (Ω)291.88268535° ± 2.63e-05
Arg. of Perihelion (ω)199.40451026° ± 2.67e-05
Mean Anomaly (M)212.92918717° ± 6.36e-06
Mean Motion (n)0.3369064573°/day ± 2.09e-09
Perihelion dist (q)0.42476532 AU ± 5.39e-08
Aphelion dist (Q)3.66625801 AU ± 5.60e-08
Orbital Period2.92551912 yr ± 1.82e-08
Physical Parameters
H (abs. magnitude)17.23
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.816″
Uncertainty0
Orbit TypeApollo
MOID0.110734 AU
Observations Used2480
Oppositions22
Arc Total1991-2024
First Observation Used1991-09-15
Last Observation Used2024-07-09
Observations (4916)
Date Type RA Dec Mag Band Observatory
2023-08-21 09:50:31 C 22 55 33.004 +03 24 53.01 – X F51
2023-08-21 10:09:46 C 22 55 31.878 +03 24 49.47 – X F51
2023-09-06 05:17:21 C 22 30 47.999 +01 46 54.52 – V G96
2023-09-06 05:25:26 C 22 30 47.405 +01 46 52.03 – V G96
2023-09-06 05:33:31 C 22 30 46.807 +01 46 49.30 – V G96
2023-09-06 05:41:36 C 22 30 46.220 +01 46 46.56 – V G96
2023-09-16 07:53:26 C 22 13 11.572 +00 20 07.65 – X F51
2023-09-16 08:13:06 C 22 13 10.112 +00 20 00.20 – X F51
2023-09-16 08:52:30 C 22 13 07.189 +00 19 45.04 – X F51
2023-09-20 04:32:54 C 22 06 32.522 -00 15 56.92 – V G96
2023-09-20 04:41:02 C 22 06 31.943 -00 16 00.08 – V G96
2023-09-20 04:49:10 C 22 06 31.352 -00 16 03.25 – V G96
2023-09-20 04:57:18 C 22 06 30.773 -00 16 06.31 – V G96
2023-09-21 07:46:28 C 22 04 37.293 -00 26 40.72 – X F51
2023-09-21 08:03:36 C 22 04 36.066 -00 26 47.40 – X F51
2023-09-21 08:22:15 C 22 04 34.733 -00 26 54.86 – X F51
2023-09-21 08:39:37 C 22 04 33.478 -00 27 01.72 – X F51
2023-10-04 05:49:55 C 21 44 42.384 -02 28 23.42 – X F51
2023-10-04 06:07:25 C 21 44 41.366 -02 28 30.01 – X F51
2023-10-04 06:24:51 C 21 44 40.343 -02 28 36.64 – X F51
2023-10-04 06:42:22 C 21 44 39.324 -02 28 43.29 – X F51
2023-10-15 02:56:28 C 21 32 02.432 -04 00 22.21 – V G96
2023-10-15 03:03:57 C 21 32 02.137 -04 00 24.48 – V G96
2023-10-15 03:11:25 C 21 32 01.828 -04 00 27.00 – V G96
2023-10-15 03:18:55 C 21 32 01.522 -04 00 29.34 – V G96
2023-11-24 05:02:18 C 21 26 11.471 -06 40 22.29 – X F52
2023-11-24 05:19:53 C 21 26 11.880 -06 40 22.57 – X F52
2023-11-24 05:37:28 C 21 26 12.283 -06 40 22.61 – X F52
2023-11-24 05:55:09 C 21 26 12.694 -06 40 22.77 – X F52
2023-12-06 05:12:00 C 21 35 30.390 -06 29 31.01 – X F51
2023-12-06 05:19:57 C 21 35 30.680 -06 29 30.32 – X F51
2023-12-06 05:27:58 C 21 35 30.990 -06 29 29.62 – X F51
2024-04-11 08:32:18 C 21 11 51.780 -26 48 18.14 – V W68
2024-04-11 08:50:21 C 21 11 50.554 -26 48 23.29 – V W68
2024-04-11 09:10:14 C 21 11 49.195 -26 48 29.09 – V W68
2024-04-18 09:01:49 C 21 00 42.559 -27 31 25.61 – V W68
2024-04-18 09:08:29 C 21 00 42.132 -27 31 27.23 – V W68
2024-04-18 09:18:18 C 21 00 41.410 -27 31 29.86 – V W68
2024-04-18 09:31:30 C 21 00 40.490 -27 31 33.85 – V W68
2024-04-20 02:39:49 C 20 57 53.568 -27 41 47.26 – V M22
2024-04-20 02:45:08 C 20 57 53.206 -27 41 48.59 – V M22
2024-04-20 02:54:27 C 20 57 52.534 -27 41 50.86 – V M22
2024-04-20 03:07:03 C 20 57 51.634 -27 41 54.82 – V M22
2024-04-25 08:03:09 C 20 48 55.303 -28 13 31.19 – V W68
2024-04-25 08:25:03 C 20 48 53.597 -28 13 36.34 – V W68
2024-04-25 08:29:38 C 20 48 53.160 -28 13 38.60 – V W68
2024-04-25 08:40:19 C 20 48 52.368 -28 13 42.71 – V W68
2024-04-25 15:00:44 S 20 48 22.75 -28 15 21.9 – L C51
2024-04-25 18:05:35 S 20 48 08.73 -28 16 10.1 – L C51
2024-04-25 19:38:00 S 20 48 01.69 -28 16 33.8 – L C51