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
2021-06-19 01:04:01 s 1 -97305.557 0 +378228.58 3320.0 C57
2021-06-19 01:34:01 S 16 15 46.555 -33 03 08.68 V C57
2021-06-19 01:34:01 s 1 -98279.180 0 +377568.44 1540.0 C57
2021-06-19 01:44:01 S 16 15 46.082 -33 02 56.51 V C57
2021-06-19 01:44:01 s 1 -98603.231 0 +377346.60 6000.0 C57
2021-06-19 02:04:01 S 16 15 44.750 -33 02 40.02 V C57
2021-06-19 02:04:01 s 1 -99250.592 0 +376900.23 2480.0 C57
2021-06-19 02:24:01 S 16 15 43.392 -33 02 16.22 V C57
2021-06-19 02:24:01 s 1 -99896.959 0 +376450.28 5700.0 C57
2021-06-19 02:34:01 S 16 15 42.780 -33 02 07.69 V C57
2021-06-19 02:34:01 s 1 -100219.76 8 +376223.96 6070.0 C57
2021-06-19 02:44:01 S 16 15 42.034 -33 01 59.84 V C57
2021-06-19 02:44:01 s 1 -100542.32 4 +375996.74 5620.0 C57
2021-06-19 03:04:01 S 16 15 41.186 -33 01 39.11 V C57
2021-06-19 03:04:01 s 1 -101186.67 8 +375539.60 2230.0 C57
2021-06-19 03:34:01 S 16 15 39.070 -33 01 11.10 V C57
2021-06-19 03:34:01 s 1 -102151.29 7 +374847.15 890.0 C57
2021-06-19 03:44:01 S 16 15 38.426 -33 01 02.10 V C57
2021-06-19 03:44:01 s 1 -102472.32 2 +374614.54 5420.0 C57
2021-06-19 03:54:01 S 16 15 37.694 -33 00 51.44 V C57
2021-06-19 03:54:01 s 1 -102793.08 9 +374381.02 9110.0 C57
2021-06-19 04:04:01 S 16 15 37.589 -33 00 38.77 V C57
2021-06-19 04:04:01 s 1 -103113.59 6 +374146.61 1950.0 C57
2021-06-19 04:14:01 S 16 15 36.857 -33 00 28.37 V C57
2021-06-19 04:14:01 s 1 -103433.84 2 +373911.29 3940.0 C57
2021-06-19 04:44:01 S 16 15 35.100 -32 59 59.71 V C57
2021-06-19 04:44:01 s 1 -104393.00 4 +373199.93 4770.0 C57
2021-06-19 04:54:01 S 16 15 34.726 -32 59 50.89 V C57
2021-06-19 04:54:01 s 1 -104712.19 6 +372961.01 3320.0 C57
2021-06-19 05:04:01 S 16 15 33.569 -32 59 43.04 V C57
2021-06-19 05:04:01 s 1 -105031.12 1 +372721.18 1010.0 C57
2021-06-19 05:14:01 S 16 15 33.437 -32 59 33.90 V C57
2021-06-19 05:14:01 s 1 -105349.78 0 +372480.45 7830.0 C57
2021-06-19 05:24:01 S 16 15 32.719 -32 59 21.77 V C57
2021-06-19 05:24:01 s 1 -105668.17 1 +372238.82 3770.0 C57
2021-06-19 05:34:01 S 16 15 32.306 -32 59 12.34 V C57
2021-06-19 05:34:01 s 1 -105986.29 2 +371996.29 8840.0 C57
2021-06-19 06:04:01 S 16 15 30.665 -32 58 41.77 V C57
2021-06-19 06:04:01 s 1 -106939.02 9 +371263.25 8770.0 C57
2021-06-19 06:14:01 S 16 15 29.916 -32 58 31.40 V C57
2021-06-19 06:14:01 s 1 -107256.06 3 +371017.10 310.0 C57
2021-06-19 06:24:01 S 16 15 28.639 -32 58 25.54 V C57
2021-06-19 06:24:01 s 1 -107572.82 2 +370770.04 960.0 C57
2021-06-19 06:34:01 S 16 15 28.394 -32 58 12.65 V C57
2021-06-19 06:34:01 s 1 -107889.30 5 +370522.07 720.0 C57
2021-06-19 07:24:01 S 16 15 25.322 -32 57 25.13 V C57
2021-06-19 07:24:01 s 1 -109467.55 0 +369268.65 5990.0 C57
2021-06-19 07:34:01 S 16 15 24.818 -32 57 15.70 V C57
2021-06-19 07:34:01 s 1 -109782.35 7 +369015.24 320.0 C57
2021-06-19 07:44:01 S 16 15 24.156 -32 57 06.80 V C57