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
2024-04-25 21:10:24 S 20 47 54.62 -28 16 57.1 L C51
2024-04-25 22:42:49 S 20 47 47.58 -28 17 21.7 L C51
2024-04-26 04:52:30 S 20 47 19.23 -28 18 57.0 L C51
2024-05-03 07:39:35 C 20 32 58.020 -29 04 37.27 V W68
2024-05-03 07:44:12 C 20 32 57.578 -29 04 38.35 V W68
2024-05-03 07:51:36 C 20 32 56.861 -29 04 40.04 V W68
2024-05-03 08:06:09 C 20 32 55.442 -29 04 44.04 V W68
2024-05-03 08:19:12 C 20 32 54.226 -29 04 47.96 V W68
2024-05-03 08:23:47 C 20 32 53.746 -29 04 49.51 V W68
2024-05-03 08:33:21 C 20 32 52.831 -29 04 52.54 V W68
2024-05-03 08:46:36 C 20 32 51.610 -29 04 55.63 V W68
2024-05-04 08:15:33 C 20 30 39.775 -29 11 22.34 V W68
2024-05-04 08:18:10 C 20 30 39.506 -29 11 23.53 V W68
2024-05-04 08:22:46 C 20 30 39.084 -29 11 24.32 V W68
2024-05-04 08:35:14 C 20 30 37.829 -29 11 28.39 V W68
2024-05-05 03:18:29 C 20 28 49.944 -29 16 37.45 V M22
2024-05-05 03:21:05 C 20 28 49.682 -29 16 38.28 V M22
2024-05-05 03:30:48 C 20 28 48.710 -29 16 41.34 V M22
2024-05-05 04:01:48 C 20 28 45.562 -29 16 49.69 V M22
2024-05-06 02:23:35 C 20 26 34.114 -29 22 58.73 V M22
2024-05-06 02:29:58 C 20 26 33.317 -29 23 00.31 V M22
2024-05-06 02:34:22 C 20 26 33.036 -29 23 01.90 V M22
2024-05-06 02:48:40 C 20 26 31.512 -29 23 06.00 V M22
2024-05-08 09:20:38 C 20 20 55.843 -29 38 06.47 V W68
2024-05-08 09:23:18 C 20 20 55.536 -29 38 07.37 V W68
2024-05-08 09:29:22 C 20 20 54.866 -29 38 09.06 V W68
2024-05-08 09:38:41 C 20 20 53.834 -29 38 11.72 V W68
2024-05-09 01:46:35 C 20 19 11.033 -29 42 34.85 V M22
2024-05-09 01:49:11 C 20 19 10.759 -29 42 35.28 V M22
2024-05-09 01:54:31 C 20 19 10.126 -29 42 36.86 V M22
2024-05-09 02:03:03 C 20 19 09.178 -29 42 39.24 V M22
2024-05-10 01:47:45 C 20 16 34.046 -29 49 06.13 V M22
2024-05-10 01:51:42 C 20 16 33.566 -29 49 06.92 V M22
2024-05-10 01:56:16 C 20 16 33.079 -29 49 08.98 V M22
2024-05-10 04:03:27 C 20 16 18.574 -29 49 43.39 V M22
2024-05-13 01:29:06 C 20 08 21.924 -30 08 04.92 V M22
2024-05-13 01:33:40 C 20 08 21.470 -30 08 05.96 V M22
2024-05-13 01:37:35 C 20 08 20.904 -30 08 08.05 V M22
2024-05-13 01:51:53 C 20 08 19.162 -30 08 12.16 V M22
2024-05-14 01:26:28 C 20 05 29.717 -30 14 12.73 V M22
2024-05-14 01:29:24 C 20 05 29.338 -30 14 13.63 V M22
2024-05-14 01:33:31 C 20 05 28.829 -30 14 14.78 V M22
2024-05-14 01:43:52 C 20 05 27.550 -30 14 17.66 V M22
2024-05-18 01:05:41 C 19 53 24.665 -30 36 57.24 V M22
2024-05-18 01:08:22 C 19 53 24.250 -30 36 58.54 V M22
2024-05-18 01:12:25 C 19 53 23.743 -30 36 59.08 V M22
2024-05-18 01:19:51 C 19 53 22.750 -30 37 00.12 V M22
2024-05-19 06:59:51 C 19 49 26.398 -30 43 22.55 V W68
2024-05-19 07:06:38 C 19 49 25.483 -30 43 23.70 V W68
2024-05-19 07:17:34 C 19 49 23.950 -30 43 26.76 V W68