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
2021-06-13 23:34:01 s 1 +147564.17 1 +300340.38 9340.0 C57
2021-06-13 23:44:01 S 16 24 37.514 -35 23 43.22 V C57
2021-06-13 23:44:01 s 1 +147304.95 4 +300799.65 9110.0 C57
2021-06-13 23:54:01 S 16 24 36.797 -35 23 29.94 V C57
2021-06-13 23:54:01 s 1 +147045.17 9 +301257.79 7620.0 C57
2021-06-14 00:04:01 S 16 24 35.875 -35 23 14.28 V C57
2021-06-14 00:04:01 s 1 +146784.84 7 +301714.80 4860.0 C57
2021-06-14 00:14:01 S 16 24 34.999 -35 23 01.43 V C57
2021-06-14 00:14:01 s 1 +146523.96 0 +302170.67 850.0 C57
2021-06-14 00:24:01 S 16 24 34.481 -35 22 50.27 V C57
2021-06-14 00:24:01 s 1 +146262.52 3 +302625.41 5590.0 C57
2021-06-14 00:34:01 S 16 24 33.154 -35 22 35.83 V C57
2021-06-14 00:34:01 s 1 +146000.53 6 +303079.02 9090.0 C57
2021-06-14 00:54:01 S 16 24 31.728 -35 22 09.55 V C57
2021-06-14 00:54:01 s 1 +145474.92 4 +303982.85 2380.0 C57
2021-06-14 01:04:01 S 16 24 30.624 -35 21 52.42 V C57
2021-06-14 01:04:01 s 1 +145211.30 3 +304433.08 2190.0 C57
2021-06-14 01:14:01 S 16 24 29.818 -35 21 41.76 V C57
2021-06-14 01:14:01 s 1 +144947.14 3 +304882.18 780.0 C57
2021-06-14 01:24:01 S 16 24 28.925 -35 21 26.82 V C57
2021-06-14 01:24:01 s 1 +144682.44 6 +305330.15 8150.0 C57
2021-06-14 01:34:01 S 16 24 28.078 -35 21 13.79 V C57
2021-06-14 01:34:01 s 1 +144417.21 3 +305777.00 4320.0 C57
2021-06-14 01:44:01 S 16 24 26.983 -35 21 01.08 V C57
2021-06-14 01:44:01 s 1 +144151.44 8 +306222.73 9290.0 C57
2021-06-14 02:04:01 S 16 24 25.416 -35 20 30.16 V C57
2021-06-14 02:04:01 s 1 +143618.32 8 +307110.82 5640.0 C57
2021-06-14 02:14:01 S 16 24 24.562 -35 20 20.26 V C57
2021-06-14 02:14:01 s 1 +143350.97 8 +307553.19 7040.0 C57
2021-06-14 02:24:01 S 16 24 23.770 -35 20 04.49 V C57
2021-06-14 02:24:01 s 1 +143083.10 4 +307994.43 7260.0 C57
2021-06-14 02:34:01 S 16 24 22.622 -35 19 54.98 V C57
2021-06-14 02:34:01 s 1 +142814.70 9 +308434.57 6300.0 C57
2021-06-14 02:44:01 S 16 24 21.962 -35 19 39.83 V C57
2021-06-14 02:44:01 s 1 +142545.79 5 +308873.58 4180.0 C57
2021-06-14 02:54:01 S 16 24 21.130 -35 19 23.45 V C57
2021-06-14 02:54:01 s 1 +142276.36 4 +309311.48 900.0 C57
2021-06-14 03:04:01 S 16 24 20.153 -35 19 09.16 V C57
2021-06-14 03:04:01 s 1 +142006.41 8 +309748.27 6460.0 C57
2021-06-14 03:14:01 S 16 24 19.248 -35 18 57.38 V C57
2021-06-14 03:14:01 s 1 +141735.96 0 +310183.95 880.0 C57
2021-06-14 03:24:01 S 16 24 18.319 -35 18 46.44 V C57
2021-06-14 03:24:01 s 1 +141464.99 2 +310618.51 4150.0 C57
2021-06-14 03:34:01 S 16 24 17.290 -35 18 34.49 V C57
2021-06-14 03:34:01 s 1 +141193.51 6 +311051.97 6280.0 C57
2021-06-14 03:44:01 S 16 24 16.865 -35 18 19.84 V C57
2021-06-14 03:44:01 s 1 +140921.53 4 +311484.31 7270.0 C57
2021-06-14 03:54:01 S 16 24 15.550 -35 18 04.57 V C57
2021-06-14 03:54:01 s 1 +140649.04 8 +311915.55 7140.0 C57
2021-06-14 04:34:01 S 16 24 12.086 -35 17 12.55 V C57