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
2021-06-21 09:14:01 S 16 12 36.346 -32 11 34.94 V C57
2021-06-21 09:14:01 s 1 -184855.63 7 +250631.70 5440.0 C57
2021-06-21 09:54:01 S 16 12 34.236 -32 10 59.66 V C57
2021-06-21 09:54:01 s 1 -185497.54 0 +248417.40 5970.0 C57
2021-06-21 10:14:01 S 16 12 32.911 -32 10 44.33 V C57
2021-06-21 10:14:01 s 1 -185813.34 3 +247303.48 760.0 C57
2021-06-21 10:24:01 S 16 12 32.302 -32 10 38.57 V C57
2021-06-21 10:24:01 s 1 -185969.94 5 +246744.83 9260.0 C57
2021-06-21 10:34:01 S 16 12 31.646 -32 10 27.95 V C57
2021-06-21 10:34:01 s 1 -186125.67 7 +246185.04 5140.0 C57
2021-06-21 10:44:01 S 16 12 31.224 -32 10 19.60 V C57
2021-06-21 10:44:01 s 1 -186280.53 4 +245624.12 8390.0 C57
2021-06-21 10:54:01 S 16 12 30.487 -32 10 17.18 V C57
2021-06-21 10:54:01 s 1 -186434.51 3 +245062.06 9010.0 C57
2021-06-21 11:14:01 S 16 12 30.043 -32 09 51.84 V C57
2021-06-21 11:14:01 s 1 -186739.82 4 +243934.54 2290.0 C57
2021-06-21 11:44:01 S 16 12 27.974 -32 09 30.46 V C57
2021-06-21 11:44:01 s 1 -187191.11 7 +242234.72 2190.0 C57
2021-06-21 12:14:01 S 16 12 26.863 -32 09 01.62 V C57
2021-06-21 12:14:01 s 1 -187634.31 5 +240524.63 7810.0 C57
2021-06-21 12:24:01 S 16 12 25.896 -32 08 54.31 V C57
2021-06-21 12:24:01 s 1 -187780.23 1 +239952.31 4230.0 C57
2021-06-21 12:34:01 S 16 12 25.558 -32 08 39.70 V C57
2021-06-21 12:34:01 s 1 -187925.23 3 +239378.84 7910.0 C57
2021-06-26 09:59:46 C 16 06 51.31 -30 30 02.3 V T08
2021-06-26 10:04:25 C 16 06 51.10 -30 29 59.3 V T08
2021-06-26 10:13:43 C 16 06 50.83 -30 29 51.3 V T08
2021-06-26 10:28:19 C 16 06 50.32 -30 29 40.1 V T08
2021-06-30 08:21:17 C 16 04 35.64 -29 24 40.7 V T08
2021-06-30 08:26:38 C 16 04 35.54 -29 24 37.5 V T08
2021-06-30 08:34:36 C 16 04 35.35 -29 24 32.4 V T08
2021-07-04 08:20:42 C 16 03 21.90 -28 29 08.1 V T08
2021-07-04 08:25:21 C 16 03 21.85 -28 29 05.6 V T08
2021-07-04 08:33:18 C 16 03 21.77 -28 29 01.7 V T08
2021-07-04 08:49:54 C 16 03 21.57 -28 28 52.9 V T08
2021-07-08 08:14:37 C 16 03 01.58 -27 42 51.8 V T08
2021-07-08 08:19:16 C 16 03 01.59 -27 42 49.2 V T08
2021-07-08 08:32:33 C 16 03 01.55 -27 42 44.2 V T08
2021-07-08 08:37:12 C 16 03 01.58 -27 42 41.7 V T08
2021-07-08 08:42:30 C 16 03 01.57 -27 42 39.5 V T08
2021-07-08 08:45:09 C 16 03 01.54 -27 42 38.4 V T08
2021-07-08 08:59:46 C 16 03 01.49 -27 42 31.7 V T08
2021-07-25 21:38:03 C 16 08 56.30 -25 36 00.1 q Y00
2021-07-25 21:52:18 C 16 08 56.62 -25 35 57.1 q Y00
2021-07-25 22:06:26 C 16 08 56.88 -25 35 55.1 q Y00
2023-08-18 10:04:54 C 22 59 30.806 +03 37 05.74 X F52
2023-08-18 10:20:27 C 22 59 29.952 +03 37 03.33 X F52
2023-08-18 10:36:04 C 22 59 29.093 +03 37 00.99 X F52
2023-08-18 10:51:44 C 22 59 28.239 +03 36 58.41 X F52
2023-08-21 09:21:46 C 22 55 34.687 +03 24 58.36 X F51