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
2020-09-10 04:57:06 C 22 02 40.64 -02 07 32.6 V G96
2020-09-10 05:03:54 C 22 02 40.20 -02 07 34.7 V G96
2020-09-10 05:10:41 C 22 02 39.78 -02 07 37.1 V G96
2020-09-12 08:04:29 C 21 59 25.496 -02 24 33.57 U F51
2020-09-12 08:23:03 C 21 59 24.293 -02 24 39.71 U F51
2020-09-12 08:40:09 C 21 59 23.191 -02 24 45.41 U F52
2020-09-12 08:56:50 C 21 59 22.105 -02 24 51.07 U F52
2020-09-12 09:13:33 C 21 59 21.027 -02 24 56.66 U F52
2020-09-12 09:30:17 C 21 59 19.949 -02 25 02.35 U F52
2020-09-18 07:02:33 C 21 50 35.963 -03 12 47.32 U F52
2020-09-18 07:21:04 C 21 50 34.837 -03 12 53.57 U F52
2020-09-18 07:39:34 C 21 50 33.683 -03 12 59.68 U F52
2020-09-18 07:58:06 C 21 50 32.556 -03 13 06.20 U F52
2020-09-23 04:58:09 C 21 43 46.62 -03 52 16.9 V G96
2020-09-23 05:06:16 C 21 43 46.15 -03 52 19.1 V G96
2020-09-23 05:14:23 C 21 43 45.70 -03 52 22.3 V G96
2020-10-07 06:13:19 C 21 27 46.231 -05 35 39.62 U F51
2020-10-07 06:47:58 C 21 27 44.854 -05 35 49.26 U F51
2020-10-07 07:05:21 C 21 27 44.160 -05 35 53.89 U F51
2020-10-09 03:03:14 C 21 26 06.67 -05 47 48.0 V G96
2020-10-09 03:11:18 C 21 26 06.36 -05 47 49.7 V G96
2020-10-09 03:19:23 C 21 26 06.03 -05 47 52.2 V G96
2020-10-09 03:27:28 C 21 26 05.77 -05 47 54.5 V G96
2020-10-15 06:24:31 C 21 21 30.993 -06 24 13.79 U F52
2020-10-15 06:42:14 C 21 21 30.478 -06 24 17.86 U F52
2020-10-15 06:59:55 C 21 21 29.989 -06 24 22.10 U F52
2020-10-15 07:17:35 C 21 21 29.497 -06 24 26.09 U F52
2020-11-18 02:00:09 C 21 19 48.74 -07 58 03.3 V G96
2020-11-18 02:07:34 C 21 19 48.86 -07 58 03.7 V G96
2020-11-18 02:19:59 C 21 19 49.09 -07 58 03.4 V G96
2020-11-18 02:27:23 C 21 19 49.26 -07 58 03.5 V G96
2020-12-03 05:06:34 C 21 30 21.006 -07 40 30.10 U F51
2020-12-03 05:24:57 C 21 30 21.666 -07 40 28.22 U F51
2020-12-03 05:43:21 C 21 30 22.321 -07 40 26.38 U F51
2020-12-03 06:01:47 C 21 30 23.002 -07 40 24.44 U F51
2020-12-08 05:07:06 C 21 35 05.894 -07 26 54.05 U F51
2020-12-08 05:13:41 C 21 35 06.165 -07 26 53.38 U F51
2020-12-08 05:20:16 C 21 35 06.439 -07 26 52.40 U F51
2021-05-12 20:22:42 S 22 39 54.019 -46 52 30.86 L C51
2021-05-12 21:56:46 S 22 38 41.395 -46 59 29.87 L C51
2021-05-13 01:05:05 S 22 36 15.072 -47 13 19.70 L C51
2021-05-27 07:14:02 S 18 06 02.566 -49 11 56.18 V C57
2021-05-27 07:14:02 s 1 +117671.05 8 -35799.689 3570.0 C57
2021-05-27 07:24:02 S 18 05 57.374 -49 11 29.47 V C57
2021-05-27 07:24:02 s 1 +118528.04 8 -34844.916 7960.0 C57
2021-05-27 07:44:02 S 18 05 46.663 -49 10 35.00 V C57
2021-05-27 07:44:02 s 1 +120217.18 8 -32928.148 4550.0 C57
2021-05-27 07:54:02 S 18 05 41.412 -49 10 09.88 V C57
2021-05-27 07:54:02 s 1 +121049.44 7 -31966.349 7030.0 C57
2021-05-27 08:04:02 S 18 05 35.830 -49 09 43.74 V C57