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
2021-06-17 16:54:01 s 1 -31182.958 0 +404040.65 9290.0 C57
2021-06-17 17:04:01 S 16 17 49.574 -33 36 26.28 V C57
2021-06-17 17:04:01 s 1 -31537.888 0 +403990.53 4590.0 C57
2021-06-17 17:14:01 S 16 17 49.178 -33 36 10.01 V C57
2021-06-17 17:14:01 s 1 -31892.741 0 +403939.54 9550.0 C57
2021-06-17 17:24:01 S 16 17 48.154 -33 36 04.25 V C57
2021-06-17 17:24:01 s 1 -32247.518 0 +403887.69 4170.0 C57
2021-06-17 17:34:01 S 16 17 47.753 -33 35 52.26 V C57
2021-06-17 17:34:01 s 1 -32602.216 0 +403834.97 8430.0 C57
2021-06-17 17:44:01 S 16 17 47.050 -33 35 40.42 V C57
2021-06-17 17:44:01 s 1 -32956.836 0 +403781.39 2340.0 C57
2021-06-17 17:54:01 S 16 17 46.262 -33 35 31.02 V C57
2021-06-17 17:54:01 s 1 -33311.376 0 +403726.94 5900.0 C57
2021-06-17 18:04:01 S 16 17 45.526 -33 35 20.98 V C57
2021-06-17 18:04:01 s 1 -33665.836 0 +403671.62 9100.0 C57
2021-06-17 18:14:01 S 16 17 45.134 -33 35 04.02 V C57
2021-06-17 18:14:01 s 1 -34020.214 0 +403615.43 1940.0 C57
2021-06-17 18:24:01 S 16 17 44.503 -33 35 01.68 V C57
2021-06-17 18:24:01 s 1 -34374.511 0 +403558.38 4420.0 C57
2021-06-17 18:34:01 S 16 17 43.903 -33 34 48.43 V C57
2021-06-17 18:34:01 s 1 -34728.725 0 +403500.46 6550.0 C57
2021-06-17 18:44:01 S 16 17 43.015 -33 34 40.15 V C57
2021-06-17 18:44:01 s 1 -35082.855 0 +403441.68 8300.0 C57
2021-06-17 18:54:01 S 16 17 42.787 -33 34 28.99 V C57
2021-06-17 18:54:01 s 1 -35436.901 0 +403382.02 9690.0 C57
2021-06-17 19:04:01 S 16 17 41.772 -33 34 17.36 V C57
2021-06-17 19:04:01 s 1 -35790.862 0 +403321.51 710.0 C57
2021-06-17 19:14:01 S 16 17 41.057 -33 34 07.07 V C57
2021-06-17 19:14:01 s 1 -36144.737 0 +403260.12 1360.0 C57
2021-06-17 19:24:01 S 16 17 40.486 -33 33 56.34 V C57
2021-06-17 19:24:01 s 1 -36498.526 0 +403197.87 1640.0 C57
2021-06-17 19:34:01 S 16 17 39.624 -33 33 44.21 V C57
2021-06-17 19:34:01 s 1 -36852.227 0 +403134.75 1540.0 C57
2021-06-17 19:44:01 S 16 17 39.262 -33 33 38.63 V C57
2021-06-17 19:44:01 s 1 -37205.840 0 +403070.77 1070.0 C57
2021-06-17 19:54:01 S 16 17 38.695 -33 33 22.75 V C57
2021-06-17 19:54:01 s 1 -37559.363 0 +403005.91 220.0 C57
2021-06-17 20:04:01 S 16 17 37.670 -33 33 07.92 V C57
2021-06-17 20:04:01 s 1 -37912.797 0 +402940.19 8980.0 C57
2021-06-17 20:24:01 S 16 17 36.422 -33 32 53.48 V C57
2021-06-17 20:24:01 s 1 -38619.392 0 +402806.16 5360.0 C57
2021-06-17 20:34:01 S 16 17 35.942 -33 32 37.64 V C57
2021-06-17 20:34:01 s 1 -38972.551 0 +402737.84 2970.0 C57
2021-06-17 20:44:01 S 16 17 35.489 -33 32 34.19 V C57
2021-06-17 20:44:01 s 1 -39325.617 0 +402668.65 190.0 C57
2021-06-17 20:54:01 S 16 17 34.622 -33 32 18.13 V C57
2021-06-17 20:54:01 s 1 -39678.590 0 +402598.60 7010.0 C57
2021-06-17 21:04:01 S 16 17 33.919 -33 32 09.28 V C57
2021-06-17 21:04:01 s 1 -40031.468 0 +402527.68 3450.0 C57
2021-06-17 21:14:01 S 16 17 33.382 -33 31 59.59 V C57