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
2015-07-07 23:03:09 C 11 29 30.71 -05 45 55.8 u 807
2015-07-07 23:11:39 C 11 29 33.16 -05 46 10.8 u 807
2015-08-16 06:08:17 C 14 34 07.875 -19 50 12.83 L F51
2015-08-16 06:13:53 C 14 34 08.583 -19 50 15.09 L F51
2015-08-16 06:19:27 C 14 34 09.302 -19 50 17.27 L F51
2017-07-26 12:17:07 C 22 44 36.892 -00 33 11.91 L F51
2017-07-26 12:35:28 C 22 44 36.270 -00 33 13.23 L F51
2017-07-26 12:53:53 C 22 44 35.649 -00 33 14.52 L F51
2017-07-26 13:12:14 C 22 44 35.029 -00 33 15.78 L F51
2017-08-29 06:09:09 C 22 05 18.68 -03 01 10.4 q G96
2017-08-29 06:15:12 C 22 05 18.29 -03 01 12.1 q G96
2017-08-29 06:21:16 C 22 05 17.96 -03 01 12.8 q G96
2017-08-29 06:27:19 C 22 05 17.58 -03 01 14.8 q G96
2018-06-03 05:55:56 C 08 57 10.03 -03 10 54.4 U T08
2018-06-03 05:56:36 C 08 57 10.44 -03 10 55.5 U T08
2018-06-03 06:06:48 C 08 57 15.95 -03 11 28.3 U T08
2018-06-03 06:08:08 C 08 57 16.70 -03 11 33.4 U T08
2018-06-03 06:21:45 C 08 57 24.19 -03 12 15.1 U T08
2018-06-03 06:23:04 C 08 57 24.88 -03 12 18.9 U T08
2018-06-03 06:36:00 C 08 57 32.04 -03 12 59.9 U T08
2018-06-05 06:01:22 C 09 23 56.22 -05 41 44.2 U T05
2018-06-05 06:13:32 C 09 24 02.95 -05 42 21.4 U T05
2018-06-05 06:29:09 C 09 24 11.62 -05 43 09.6 U T05
2018-06-05 06:44:18 C 09 24 20.01 -05 43 56.8 U T05
2018-06-11 07:07:07 C 10 42 29.57 -12 21 20.3 U T08
2018-06-11 07:22:50 C 10 42 37.47 -12 21 56.6 U T08
2018-06-11 07:37:12 C 10 42 44.73 -12 22 29.1 U T08
2018-06-13 07:25:03 C 11 06 13.72 -14 04 26.8 U T05
2018-06-13 07:39:57 C 11 06 20.71 -14 04 55.9 U T05
2018-06-13 07:55:34 C 11 06 28.07 -14 05 26.2 U T05
2018-06-13 08:10:25 C 11 06 35.04 -14 05 55.0 U T05
2018-06-15 07:29:58 C 11 28 09.03 -15 30 59.3 U T08
2018-06-15 07:44:12 C 11 28 15.22 -15 31 22.2 U T08
2018-06-15 07:59:54 C 11 28 21.97 -15 31 47.8 U T08
2018-06-15 08:15:23 C 11 28 28.72 -15 32 12.7 U T08
2018-06-17 07:17:09 C 11 48 09.80 -16 42 21.4 U T05
2018-06-17 07:32:46 C 11 48 15.94 -16 42 42.3 U T05
2018-06-17 07:48:33 C 11 48 22.21 -16 43 03.1 U T05
2018-06-17 08:04:24 C 11 48 28.48 -16 43 24.3 U T05
2018-06-21 23:50:31 S 12 28 32.477 -18 43 15.67 L C51
2018-06-22 06:45:54 C 12 30 44.17 -18 49 12.4 U T08
2018-06-22 07:07:57 C 12 30 51.01 -18 49 29.5 U T08
2018-06-22 07:18:34 C 12 30 54.37 -18 49 38.6 U T08
2018-06-24 07:29:39 C 12 45 21.24 -19 24 56.9 U T05
2018-06-24 07:42:23 C 12 45 24.79 -19 25 05.7 U T05
2018-06-24 07:54:23 C 12 45 28.19 -19 25 12.9 U T05
2018-06-24 08:06:28 C 12 45 31.62 -19 25 21.2 U T05
2018-06-26 08:03:32 C 12 58 34.39 -19 53 56.5 U T08
2018-06-26 08:16:53 C 12 58 37.82 -19 54 03.5 U T08
2018-06-26 08:34:58 C 12 58 42.52 -19 54 13.9 U T08