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
2018-06-26 08:38:17 C 12 58 43.36 -19 54 14.0 U T08
2018-07-05 03:54:53 C 13 44 07.46 -21 11 40.3 U 703
2018-07-05 04:02:45 C 13 44 08.82 -21 11 42.3 U 703
2018-07-05 04:10:36 C 13 44 10.24 -21 11 43.2 U 703
2018-07-10 07:06:37 C 14 04 12.67 -21 36 49.4 U T05
2018-07-10 07:09:15 C 14 04 13.08 -21 36 49.7 U T05
2018-07-10 07:18:01 C 14 04 14.36 -21 36 51.3 U T05
2018-07-10 07:20:39 C 14 04 14.73 -21 36 52.2 U T05
2018-07-10 07:29:22 C 14 04 16.03 -21 36 54.0 U T05
2018-07-10 07:32:07 C 14 04 16.43 -21 36 53.7 U T05
2018-07-10 07:40:41 C 14 04 17.69 -21 36 55.2 U T05
2018-07-10 07:43:23 C 14 04 18.04 -21 36 55.8 U T05
2018-07-12 06:49:04 C 14 11 07.33 -21 44 34.2 U T08
2018-07-12 06:59:05 C 14 11 08.68 -21 44 35.1 U T08
2018-07-12 06:59:45 C 14 11 08.81 -21 44 35.6 U T08
2018-07-12 07:09:44 C 14 11 10.12 -21 44 37.6 U T08
2018-07-12 07:10:24 C 14 11 10.02 -21 44 36.9 U T08
2018-07-12 07:20:21 C 14 11 11.60 -21 44 38.6 U T08
2018-07-12 07:21:01 C 14 11 11.74 -21 44 38.9 U T08
2018-07-12 07:31:01 C 14 11 13.07 -21 44 40.5 U T08
2019-07-26 10:04:33 C 20 37 03.777 -15 43 03.42 U F51
2019-07-26 10:21:52 C 20 37 02.940 -15 43 06.08 U F51
2019-07-26 10:39:12 C 20 37 02.114 -15 43 08.42 U F51
2019-07-26 10:56:34 C 20 37 01.240 -15 43 11.09 U F51
2019-07-29 10:20:05 C 20 33 36.182 -15 53 35.43 U F51
2019-07-29 10:35:20 C 20 33 35.450 -15 53 37.40 U F51
2019-07-29 10:50:36 C 20 33 34.699 -15 53 39.81 U F51
2019-07-29 11:05:51 C 20 33 33.958 -15 53 41.87 U F51
2020-08-13 10:01:50 C 22 42 52.994 +00 48 48.39 U F52
2020-08-13 10:28:32 C 22 42 51.620 +00 48 44.05 U F52
2020-08-13 10:44:32 C 22 42 50.791 +00 48 41.28 U F52
2020-08-18 06:55:54 C 22 36 42.20 +00 26 39.5 V G96
2020-08-18 07:03:25 C 22 36 41.80 +00 26 38.1 V G96
2020-08-18 07:10:56 C 22 36 41.40 +00 26 36.6 V G96
2020-08-18 07:18:27 C 22 36 40.96 +00 26 35.1 V G96
2020-08-23 10:27:14 C 22 29 36.465 -00 01 25.63 U F52
2020-08-23 10:45:03 C 22 29 35.372 -00 01 30.11 U F52
2020-08-23 11:02:51 C 22 29 34.283 -00 01 34.30 U F52
2020-08-23 11:20:43 C 22 29 33.214 -00 01 38.88 U F52
2020-08-26 12:01:46 C 22 25 09.296 -00 20 17.49 U F52
2020-08-26 12:16:39 C 22 25 08.362 -00 20 21.64 U F52
2020-08-26 12:31:33 C 22 25 07.414 -00 20 25.65 U F52
2020-08-26 12:46:28 C 22 25 06.480 -00 20 29.59 U F52
2020-09-06 09:01:04 C 22 08 35.188 -01 37 32.69 U F52
2020-09-06 09:17:52 C 22 08 34.073 -01 37 38.02 U F52
2020-09-06 09:51:33 C 22 08 31.834 -01 37 49.23 U F52
2020-09-09 07:56:05 C 22 04 01.418 -02 00 35.22 U F52
2020-09-09 08:13:57 C 22 04 00.254 -02 00 41.17 U F52
2020-09-09 08:31:54 C 22 03 59.074 -02 00 47.01 U F52
2020-09-10 04:50:19 C 22 02 41.09 -02 07 29.7 V G96