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
2021-06-02 02:34:01 s 1 +20997.024 0 +401615.91 4150.0 C57
2021-06-02 02:44:01 S 17 14 34.793 -43 34 40.19 V C57
2021-06-02 02:44:01 s 1 +20640.446 0 +401695.68 4130.0 C57
2021-06-02 02:54:01 S 17 14 32.138 -43 34 18.88 V C57
2021-06-02 02:54:01 s 1 +20283.819 0 +401774.56 4110.0 C57
2021-06-02 03:54:01 S 17 14 16.339 -43 32 13.06 V C57
2021-06-02 03:54:01 s 1 +18143.064 0 +402229.41 3690.0 C57
2021-06-02 04:04:01 S 17 14 13.574 -43 31 53.98 V C57
2021-06-02 04:04:01 s 1 +17786.113 0 +402302.15 3560.0 C57
2021-06-02 04:34:01 S 17 14 05.479 -43 30 46.26 V C57
2021-06-02 04:34:01 s 1 +16715.006 0 +402515.10 2990.0 C57
2021-06-02 04:44:01 S 17 14 03.062 -43 30 27.61 V C57
2021-06-02 04:44:01 s 1 +16357.888 0 +402584.33 2750.0 C57
2021-06-02 04:54:01 S 17 14 00.377 -43 30 07.67 V C57
2021-06-02 04:54:01 s 1 +16000.731 0 +402652.68 2470.0 C57
2021-06-02 05:04:01 S 17 13 57.766 -43 29 47.83 V C57
2021-06-02 05:04:01 s 1 +15643.534 0 +402720.16 2150.0 C57
2021-06-02 05:14:01 S 17 13 55.140 -43 29 26.02 V C57
2021-06-02 05:14:01 s 1 +15286.299 0 +402786.76 1800.0 C57
2021-06-02 05:24:01 S 17 13 52.526 -43 29 05.64 V C57
2021-06-02 05:24:01 s 1 +14929.027 0 +402852.49 1410.0 C57
2021-06-02 05:34:01 S 17 13 49.915 -43 28 44.83 V C57
2021-06-02 05:34:01 s 1 +14571.718 0 +402917.34 980.0 C57
2021-06-02 05:44:01 S 17 13 47.381 -43 28 23.20 V C57
2021-06-02 05:44:01 s 1 +14214.374 0 +402981.31 500.0 C57
2021-06-02 05:54:01 S 17 13 44.551 -43 28 01.45 V C57
2021-06-02 05:54:01 s 1 +13856.994 0 +403044.41 9980.0 C57
2021-06-02 06:04:01 S 17 13 41.978 -43 27 41.26 V C57
2021-06-02 06:04:01 s 1 +13499.580 0 +403106.64 9420.0 C57
2021-06-02 06:14:01 S 17 13 39.355 -43 27 20.99 V C57
2021-06-02 06:14:01 s 1 +13142.133 0 +403167.99 8800.0 C57
2021-06-02 06:24:01 S 17 13 36.744 -43 26 59.28 V C57
2021-06-02 06:24:01 s 1 +12784.653 0 +403228.46 8130.0 C57
2021-06-02 06:34:01 S 17 13 34.135 -43 26 38.72 V C57
2021-06-02 06:34:01 s 1 +12427.141 0 +403288.07 7410.0 C57
2021-06-02 06:44:01 S 17 13 31.538 -43 26 19.18 V C57
2021-06-02 06:44:01 s 1 +12069.599 0 +403346.79 6630.0 C57
2021-06-02 07:24:01 S 17 13 21.029 -43 24 56.63 V C57
2021-06-02 07:24:01 s 1 +10639.134 0 +403572.96 2920.0 C57
2021-06-02 07:34:01 S 17 13 18.326 -43 24 32.76 V C57
2021-06-02 07:34:01 s 1 +10281.448 0 +403627.32 1830.0 C57
2021-06-02 07:44:01 S 17 13 15.766 -43 24 12.67 V C57
2021-06-02 07:54:01 S 17 13 13.193 -43 23 52.80 V C57
2021-06-02 08:54:01 S 17 12 57.562 -43 21 47.56 V C57
2021-06-02 09:04:01 S 17 12 54.629 -43 21 22.97 V C57
2021-06-02 09:09:05 C 17 12 24.69 -43 40 46.9 V T08
2021-06-02 09:13:07 C 17 12 23.54 -43 40 38.4 V T08
2021-06-02 09:14:01 S 17 12 52.373 -43 21 06.59 V C57
2021-06-02 09:34:01 S 17 12 47.981 -43 20 33.97 V C57
2021-06-02 09:37:04 C 17 12 16.71 -43 39 47.6 V T08