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
2021-06-11 09:44:01 s 1 +166160.17 8 +39818.189 2690.0 C57
2021-06-11 09:54:01 S 16 30 55.423 -36 57 36.22 V C57
2021-06-11 09:54:01 s 1 +166519.98 3 +40778.856 4370.0 C57
2021-06-11 10:04:01 S 16 30 54.074 -36 57 17.06 V C57
2021-06-11 10:04:01 s 1 +166875.45 3 +41738.462 4880.0 C57
2021-06-11 10:14:01 S 16 30 52.954 -36 57 01.76 V C57
2021-06-11 10:14:01 s 1 +167226.62 3 +42696.992 4300.0 C57
2021-06-11 10:24:01 S 16 30 51.816 -36 56 44.70 V C57
2021-06-11 10:24:01 s 1 +167573.52 4 +43654.433 2710.0 C57
2021-06-11 10:34:01 S 16 30 50.417 -36 56 26.70 V C57
2021-06-11 10:34:01 s 1 +167916.18 9 +44610.770 210.0 C57
2021-06-11 10:44:01 S 16 30 49.238 -36 56 09.89 V C57
2021-06-11 10:44:01 s 1 +168254.64 9 +45565.991 6890.0 C57
2021-06-11 10:54:01 S 16 30 48.089 -36 55 53.69 V C57
2021-06-11 10:54:01 s 1 +168588.93 7 +46520.083 2820.0 C57
2021-06-11 11:04:01 S 16 30 46.764 -36 55 37.42 V C57
2021-06-11 11:04:01 s 1 +168919.08 4 +47473.032 8100.0 C57
2021-06-11 11:14:01 S 16 30 45.643 -36 55 18.08 V C57
2021-06-11 11:14:01 s 1 +169245.12 0 +48424.827 2800.0 C57
2021-06-11 11:24:01 S 16 30 44.510 -36 55 02.57 V C57
2021-06-11 11:24:01 s 1 +169567.07 8 +49375.455 7020.0 C57
2021-06-11 11:34:01 S 16 30 43.322 -36 54 44.46 V C57
2021-06-11 11:34:01 s 1 +169884.98 7 +50324.905 830.0 C57
2021-06-11 11:44:01 S 16 30 42.211 -36 54 26.46 V C57
2021-06-11 11:44:01 s 1 +170198.87 9 +51273.165 4320.0 C57
2021-06-11 11:54:01 S 16 30 41.006 -36 54 11.34 V C57
2021-06-11 11:54:01 s 1 +170508.78 2 +52220.225 7570.0 C57
2021-06-11 12:04:01 S 16 30 39.562 -36 53 53.88 V C57
2021-06-11 12:04:01 s 1 +170814.72 6 +53166.073 660.0 C57
2021-06-11 12:14:01 S 16 30 38.470 -36 53 36.92 V C57
2021-06-11 12:14:01 s 1 +171116.74 2 +54110.699 3660.0 C57
2021-06-11 12:24:01 S 16 30 37.442 -36 53 19.64 V C57
2021-06-11 12:24:01 s 1 +171414.85 8 +55054.093 6660.0 C57
2021-06-11 12:34:01 S 16 30 36.185 -36 53 04.24 V C57
2021-06-11 12:34:01 s 1 +171709.10 4 +55996.244 9740.0 C57
2021-06-11 12:44:01 S 16 30 35.038 -36 52 46.02 V C57
2021-06-11 12:44:01 s 1 +171999.50 7 +56937.144 2970.0 C57
2021-06-11 12:54:01 S 16 30 33.646 -36 52 27.23 V C57
2021-06-11 12:54:01 s 1 +172286.09 7 +57876.782 6420.0 C57
2021-06-11 13:04:01 S 16 30 32.462 -36 52 11.57 V C57
2021-06-11 13:04:01 s 1 +172568.90 2 +58815.149 190.0 C57
2021-06-11 13:14:01 S 16 30 31.358 -36 51 54.72 V C57
2021-06-11 13:14:01 s 1 +172847.94 9 +59752.237 4330.0 C57
2021-06-11 13:24:01 S 16 30 30.115 -36 51 40.36 V C57
2021-06-11 13:24:01 s 1 +173123.26 6 +60688.037 8930.0 C57
2021-06-11 13:34:01 S 16 30 29.138 -36 51 20.38 V C57
2021-06-11 13:34:01 s 1 +173394.88 1 +61622.540 4050.0 C57
2021-06-11 13:44:01 S 16 30 27.890 -36 51 03.31 V C57
2021-06-11 13:44:01 s 1 +173662.82 1 +62555.738 9780.0 C57
2021-06-11 13:54:01 S 16 30 26.642 -36 50 45.31 V C57