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
2021-05-28 12:44:02 s 1 +182876.81 4 +129670.98 1340.0 C57
2021-05-28 13:14:02 S 17 51 33.559 -47 51 32.65 V C57
2021-05-28 13:14:02 s 1 +183030.63 9 +132130.06 7060.0 C57
2021-05-28 13:24:02 S 17 51 29.974 -47 51 09.94 V C57
2021-05-28 13:24:02 s 1 +183077.55 5 +132946.65 2040.0 C57
2021-05-28 13:34:02 S 17 51 25.541 -47 50 44.63 V C57
2021-05-28 13:34:02 s 1 +183122.31 5 +133761.67 1950.0 C57
2021-05-28 13:44:02 S 17 51 21.216 -47 50 18.13 V C57
2021-05-28 13:44:02 s 1 +183164.93 1 +134575.15 6820.0 C57
2021-05-28 13:54:02 S 17 51 17.016 -47 49 52.64 V C57
2021-05-28 13:54:02 s 1 +183205.41 9 +135387.07 6680.0 C57
2021-05-28 14:04:02 S 17 51 12.557 -47 49 25.28 V C57
2021-05-28 14:04:02 s 1 +183243.79 0 +136197.44 1570.0 C57
2021-05-28 14:14:02 S 17 51 08.290 -47 49 00.41 V C57
2021-05-28 14:14:02 s 1 +183280.05 8 +137006.26 1510.0 C57
2021-05-28 14:24:02 S 17 51 03.708 -47 48 33.55 V C57
2021-05-28 14:24:02 s 1 +183314.23 7 +137813.53 6550.0 C57
2021-05-28 14:34:02 S 17 50 58.822 -47 48 10.26 V C57
2021-05-28 14:34:02 s 1 +183346.34 0 +138619.25 6700.0 C57
2021-05-28 14:44:02 S 17 50 55.154 -47 47 41.78 V C57
2021-05-28 14:44:02 s 1 +183376.37 9 +139423.43 2010.0 C57
2021-05-28 14:54:02 S 17 50 50.762 -47 47 16.48 V C57
2021-05-28 14:54:02 s 1 +183404.36 7 +140226.05 2500.0 C57
2021-05-28 15:04:02 S 17 50 46.534 -47 46 49.15 V C57
2021-05-28 15:04:02 s 1 +183430.31 7 +141027.13 8210.0 C57
2021-05-28 15:14:02 S 17 50 42.170 -47 46 24.38 V C57
2021-05-28 15:14:02 s 1 +183454.24 2 +141826.66 9160.0 C57
2021-05-28 15:24:02 S 17 50 37.930 -47 45 58.28 V C57
2021-05-28 15:24:02 s 1 +183476.15 4 +142624.65 5390.0 C57
2021-05-28 15:34:02 S 17 50 33.665 -47 45 32.15 V C57
2021-05-28 15:34:02 s 1 +183496.06 6 +143421.10 6930.0 C57
2021-05-28 15:44:02 S 17 50 29.326 -47 45 06.08 V C57
2021-05-28 15:44:02 s 1 +183513.98 9 +144216.01 3800.0 C57
2021-05-28 15:54:02 S 17 50 25.205 -47 44 40.74 V C57
2021-05-28 15:54:02 s 1 +183529.93 6 +145009.37 6040.0 C57
2021-05-28 16:04:02 S 17 50 20.748 -47 44 13.67 V C57
2021-05-28 16:04:02 s 1 +183543.91 9 +145801.20 3680.0 C57
2021-05-28 16:14:02 S 17 50 16.351 -47 43 46.38 V C57
2021-05-28 16:14:02 s 1 +183555.95 1 +146591.48 6730.0 C57
2021-05-28 17:14:02 S 17 49 51.132 -47 41 12.84 V C57
2021-05-28 17:14:02 s 1 +183587.80 8 +151300.97 590.0 C57
2021-05-28 17:44:02 S 17 49 38.323 -47 39 54.50 V C57
2021-05-28 17:44:02 s 1 +183578.32 6 +153635.05 3020.0 C57
2021-05-28 17:54:02 S 17 49 33.893 -47 39 29.23 V C57
2021-05-28 17:54:02 s 1 +183571.47 7 +154410.02 1870.0 C57
2021-05-28 18:04:02 S 17 49 29.717 -47 39 03.42 V C57
2021-05-28 18:04:02 s 1 +183562.80 0 +155183.47 6450.0 C57
2021-05-28 18:14:02 S 17 49 25.536 -47 38 37.14 V C57
2021-05-28 18:14:02 s 1 +183552.30 9 +155955.40 6780.0 C57
2021-05-28 18:24:02 S 17 49 21.252 -47 38 11.87 V C57