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
1991-09-15 07:54:59 00 10 29.85 +21 12 20.9 675
1991-09-15 09:00:00 00 10 23.60 +21 12 39.7 675
1991-10-03 05:28:00 23 08 56.15 +21 59 17.4 17.5 675
1991-10-03 06:33:00 23 08 42.79 +21 59 05.1 675
1991-10-04 06:02:14 A 23 03 52.24 +21 54 04.2 18.0 675
1991-10-04 06:45:30 A 23 03 42.79 +21 53 54.7 675
1991-10-06 05:45:44 A 22 53 31.00 +21 40 13.6 675
1991-10-06 06:47:30 A 22 53 16.86 +21 39 51.3 675
2008-09-04 03:22:51 C 21 20 14.01 -08 48 41.3 o 691
2008-09-04 03:46:40 C 21 20 12.91 -08 48 46.2 o 691
2008-09-04 04:10:29 C 21 20 11.77 -08 48 51.2 o 691
2008-09-04 06:14:15 C 21 20 05.90 -08 49 19.5 o 291
2008-09-04 06:19:40 C 21 20 05.59 -08 49 20.9 o 291
2008-09-04 06:25:05 C 21 20 05.34 -08 49 22.3 o 291
2008-09-05 05:00:35 C 21 19 02.16 -08 54 27.2 o 291
2008-09-05 05:08:58 C 21 19 01.76 -08 54 30.0 o 291
2008-09-05 05:14:53 C 21 19 01.47 -08 54 30.6 o 291
2008-09-06 04:11:11 C 21 17 58.05 -08 59 38.0 o 291
2008-09-06 04:16:31 C 21 17 57.83 -08 59 38.8 o 291
2008-09-06 04:21:50 C 21 17 57.56 -08 59 40.4 o 291
2008-09-06 04:50:05 C 21 17 56.23 -08 59 47.0 v H01
2008-09-06 05:00:23 C 21 17 55.74 -08 59 49.3 v H01
2008-09-06 05:10:38 C 21 17 55.27 -08 59 51.6 v H01
2008-09-08 05:55:45 C 21 15 43.07 -09 10 39.3 o 291
2008-09-08 06:02:36 C 21 15 42.74 -09 10 39.6 o 291
2008-09-08 06:08:01 C 21 15 42.52 -09 10 40.0 o 291
2008-09-21 02:54:55 C 21 03 30.85 -10 13 29.6 o 291
2008-09-21 03:09:45 C 21 03 30.40 -10 13 32.0 o 291
2008-09-21 03:24:39 C 21 03 29.94 -10 13 34.5 o 291
2011-08-29 08:09:11 C 21 39 26.07 -06 41 04.6 o 291
2011-08-29 08:14:34 C 21 39 25.74 -06 41 05.7 o 291
2011-08-29 08:19:54 C 21 39 25.47 -06 41 07.3 o 291
2012-07-30 23:13:37 C 12 01 26.23 -06 13 12.0 u 807
2012-07-30 23:18:15 C 12 01 27.30 -06 13 18.9 u 807
2012-07-30 23:22:15 C 12 01 28.23 -06 13 24.4 u 807
2014-08-22 10:07:59 C 22 00 27.333 -04 19 34.15 L F51
2014-08-22 10:24:53 C 22 00 26.387 -04 19 38.21 L F51
2014-08-22 10:41:48 C 22 00 25.436 -04 19 42.21 L F51
2014-08-22 10:58:37 C 22 00 24.498 -04 19 46.60 L F51
2014-09-14 05:10:25 C 21 30 59.42 -06 43 51.0 q G96
2014-09-14 05:23:05 C 21 30 58.79 -06 43 54.0 q G96
2014-09-14 05:31:53 C 21 30 58.36 -06 43 56.4 q G96
2014-09-14 05:40:40 C 21 30 57.86 -06 43 58.6 q G96
2015-07-01 22:50:37 C 10 45 31.04 -01 23 52.3 u 807
2015-07-01 22:55:05 C 10 45 32.45 -01 24 01.5 u 807
2015-07-01 22:59:11 C 10 45 33.74 -01 24 09.1 u 807
2015-07-01 23:03:44 C 10 45 35.19 -01 24 18.1 u 807
2015-07-01 23:08:02 C 10 45 36.57 -01 24 26.2 u 807
2015-07-07 22:54:31 C 11 29 28.22 -05 45 41.4 u 807
2015-07-07 22:58:43 C 11 29 29.44 -05 45 48.7 u 807