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
2021-06-07 07:24:01 s 1 -196795.14 6 +209111.57 3260.0 C57
2021-06-07 07:34:01 S 16 47 26.611 -39 42 40.00 V C57
2021-06-07 07:34:01 s 1 -196893.07 4 +208477.67 7100.0 C57
2021-06-07 07:44:01 S 16 47 24.835 -39 42 22.86 V C57
2021-06-07 07:44:01 s 1 -196989.86 7 +207842.56 7720.0 C57
2021-06-07 07:54:01 S 16 47 22.966 -39 42 07.24 V C57
2021-06-07 07:54:01 s 1 -197085.51 9 +207206.26 5090.0 C57
2021-06-07 08:04:01 S 16 47 21.228 -39 41 50.71 V C57
2021-06-07 08:04:01 s 1 -197180.02 5 +206568.74 9200.0 C57
2021-06-07 08:14:01 S 16 47 19.522 -39 41 35.77 V C57
2021-06-07 08:14:01 s 1 -197273.38 0 +205930.03 40.0 C57
2021-06-07 08:24:01 S 16 47 17.592 -39 41 18.85 V C57
2021-06-07 08:24:01 s 1 -197365.57 8 +205290.10 7600.0 C57
2021-06-07 08:34:01 S 16 47 15.617 -39 41 02.18 V C57
2021-06-07 08:34:01 s 1 -197456.61 5 +204648.97 1860.0 C57
2021-06-07 08:44:01 S 16 47 13.987 -39 40 45.91 V C57
2021-06-07 08:44:01 s 1 -197546.48 6 +204006.63 2800.0 C57
2021-06-07 08:54:01 S 16 47 12.137 -39 40 30.68 V C57
2021-06-07 08:54:01 s 1 -197635.18 4 +203363.08 420.0 C57
2021-06-07 09:04:01 S 16 47 10.380 -39 40 15.71 V C57
2021-06-07 09:04:01 s 1 -197722.70 6 +202718.32 4690.0 C57
2021-06-07 09:14:01 S 16 47 08.417 -39 39 56.48 V C57
2021-06-07 09:14:01 s 1 -197809.04 5 +202072.34 5610.0 C57
2021-06-07 09:24:01 S 16 47 06.694 -39 39 40.21 V C57
2021-06-07 09:24:01 s 1 -197894.19 6 +201425.16 3160.0 C57
2021-06-07 09:34:01 S 16 47 04.894 -39 39 24.73 V C57
2021-06-07 09:34:01 s 1 -197978.15 4 +200776.76 7330.0 C57
2021-06-07 09:44:01 S 16 47 03.151 -39 39 07.38 V C57
2021-06-07 09:44:01 s 1 -198060.91 4 +200127.14 8100.0 C57
2021-06-07 09:54:01 S 16 47 01.322 -39 38 51.58 V C57
2021-06-07 09:54:01 s 1 -198142.46 9 +199476.31 5450.0 C57
2021-06-07 10:04:01 S 16 46 59.366 -39 38 36.06 V C57
2021-06-07 10:04:01 s 1 -198222.81 5 +198824.26 9380.0 C57
2021-06-07 10:14:01 S 16 46 57.634 -39 38 18.96 V C57
2021-06-07 10:14:01 s 1 -198301.94 6 +198170.99 9860.0 C57
2021-06-07 10:24:01 S 16 46 55.930 -39 38 02.90 V C57
2021-06-07 10:24:01 s 1 -198379.85 6 +197516.50 6880.0 C57
2021-06-07 10:34:01 S 16 46 54.271 -39 37 47.60 V C57
2021-06-07 10:34:01 s 1 -198456.54 0 +196860.80 430.0 C57
2021-06-07 10:44:01 S 16 46 52.222 -39 37 29.93 V C57
2021-06-07 10:44:01 s 1 -198531.99 2 +196203.87 500.0 C57
2021-06-07 10:54:01 S 16 46 50.486 -39 37 13.73 V C57
2021-06-07 10:54:01 s 1 -198606.20 7 +195545.72 7060.0 C57
2021-06-07 11:04:01 S 16 46 48.713 -39 36 58.00 V C57
2021-06-07 11:04:01 s 1 -198679.17 9 +194886.34 100.0 C57
2021-06-07 11:14:01 S 16 46 46.771 -39 36 41.65 V C57
2021-06-07 11:14:01 s 1 -198750.90 2 +194225.74 9610.0 C57
2021-06-07 11:24:01 S 16 46 44.957 -39 36 24.19 V C57
2021-06-07 11:24:01 s 1 -198821.37 0 +193563.91 5570.0 C57
2021-06-07 11:34:01 S 16 46 43.416 -39 36 09.00 V C57