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 09:04:01 s 1 +167669.25 9 +255893.25 3310.0 C57
2021-06-13 09:14:01 S 16 25 56.885 -35 43 56.06 V C57
2021-06-13 09:14:01 s 1 +167469.42 1 +256456.26 470.0 C57
2021-06-13 09:24:01 S 16 25 55.704 -35 43 38.03 V C57
2021-06-13 09:24:01 s 1 +167268.76 2 +257018.02 5700.0 C57
2021-06-13 09:34:01 S 16 25 54.857 -35 43 23.95 V C57
2021-06-13 09:34:01 s 1 +167067.28 3 +257578.53 9010.0 C57
2021-06-13 09:44:01 S 16 25 53.935 -35 43 09.23 V C57
2021-06-13 09:44:01 s 1 +166864.98 9 +258137.78 400.0 C57
2021-06-13 09:54:01 S 16 25 52.970 -35 42 57.24 V C57
2021-06-13 09:54:01 s 1 +166661.88 4 +258695.79 9890.0 C57
2021-06-13 10:04:01 S 16 25 51.970 -35 42 40.18 V C57
2021-06-13 10:04:01 s 1 +166457.97 2 +259252.55 7480.0 C57
2021-06-13 10:14:01 S 16 25 51.355 -35 42 27.32 V C57
2021-06-13 10:14:01 s 1 +166253.25 6 +259808.07 3190.0 C57
2021-06-13 10:24:01 S 16 25 50.220 -35 42 13.25 V C57
2021-06-13 10:24:01 s 1 +166047.73 9 +260362.34 7020.0 C57
2021-06-13 10:34:01 S 16 25 49.289 -35 41 57.05 V C57
2021-06-13 10:34:01 s 1 +165841.42 6 +260915.37 8980.0 C57
2021-06-13 10:44:01 S 16 25 48.228 -35 41 45.28 V C57
2021-06-13 10:44:01 s 1 +165634.32 0 +261467.16 9080.0 C57
2021-06-13 10:54:01 S 16 25 47.386 -35 41 30.30 V C57
2021-06-13 10:54:01 s 1 +165426.42 4 +262017.71 7330.0 C57
2021-06-13 11:04:01 S 16 25 46.522 -35 41 15.68 V C57
2021-06-13 11:04:01 s 1 +165217.74 3 +262567.02 3740.0 C57
2021-06-13 11:14:01 S 16 25 45.523 -35 41 03.34 V C57
2021-06-13 11:14:01 s 1 +165008.27 9 +263115.09 8330.0 C57
2021-06-13 11:24:01 S 16 25 44.676 -35 40 49.44 V C57
2021-06-13 11:24:01 s 1 +164798.03 7 +263661.94 1080.0 C57
2021-06-13 11:34:01 S 16 25 43.524 -35 40 34.90 V C57
2021-06-13 11:34:01 s 1 +164587.02 0 +264207.54 2030.0 C57
2021-06-13 11:44:01 S 16 25 42.730 -35 40 18.91 V C57
2021-06-13 11:44:01 s 1 +164375.23 1 +264751.92 1170.0 C57
2021-06-13 11:54:01 S 16 25 41.782 -35 40 05.95 V C57
2021-06-13 11:54:01 s 1 +164162.67 3 +265295.06 8520.0 C57
2021-06-13 12:04:01 S 16 25 41.052 -35 39 50.98 V C57
2021-06-13 12:04:01 s 1 +163949.35 1 +265836.98 4070.0 C57
2021-06-13 12:14:01 S 16 25 40.030 -35 39 37.98 V C57
2021-06-13 12:14:01 s 1 +163735.26 8 +266377.67 7850.0 C57
2021-06-13 12:34:01 S 16 25 38.359 -35 39 03.85 V C57
2021-06-13 12:34:01 s 1 +163304.83 2 +267455.37 110.0 C57
2021-06-13 13:04:01 S 16 25 35.232 -35 38 27.64 V C57
2021-06-13 13:04:01 s 1 +162653.55 3 +269062.75 380.0 C57
2021-06-13 13:14:01 S 16 25 34.642 -35 38 11.94 V C57
2021-06-13 13:14:01 s 1 +162434.97 4 +269596.10 3670.0 C57
2021-06-13 13:34:01 S 16 25 32.573 -35 37 47.42 V C57
2021-06-13 13:34:01 s 1 +161995.60 5 +270659.16 5110.0 C57
2021-06-13 13:54:01 S 16 25 30.727 -35 37 20.50 V C57
2021-06-13 13:54:01 s 1 +161553.31 3 +271717.36 9740.0 C57
2021-06-13 14:24:01 S 16 25 28.001 -35 36 34.99 V C57