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 14:24:01 s 1 +160884.44 8 +273295.57 9060.0 C57
2021-06-13 14:34:01 S 16 25 27.175 -35 36 22.00 V C57
2021-06-13 14:34:01 s 1 +160660.06 0 +273819.22 8840.0 C57
2021-06-13 14:44:01 S 16 25 26.378 -35 36 06.59 V C57
2021-06-13 14:44:01 s 1 +160434.95 9 +274341.67 6960.0 C57
2021-06-13 14:54:01 S 16 25 25.385 -35 35 51.79 V C57
2021-06-13 14:54:01 s 1 +160209.15 0 +274862.91 3440.0 C57
2021-06-13 15:04:01 S 16 25 24.259 -35 35 38.36 V C57
2021-06-13 15:04:01 s 1 +159982.63 6 +275382.95 8280.0 C57
2021-06-13 15:14:01 S 16 25 23.518 -35 35 26.95 V C57
2021-06-13 15:14:01 s 1 +159755.41 9 +275901.78 1490.0 C57
2021-06-13 15:24:01 S 16 25 22.598 -35 35 11.87 V C57
2021-06-13 15:24:01 s 1 +159527.50 4 +276419.42 3080.0 C57
2021-06-13 15:34:01 S 16 25 21.504 -35 34 57.14 V C57
2021-06-13 15:34:01 s 1 +159298.89 2 +276935.86 3060.0 C57
2021-06-13 15:44:01 S 16 25 20.772 -35 34 43.03 V C57
2021-06-13 15:44:01 s 1 +159069.58 7 +277451.09 1430.0 C57
2021-06-13 15:54:01 S 16 25 19.764 -35 34 28.81 V C57
2021-06-13 15:54:01 s 1 +158839.59 3 +277965.14 8210.0 C57
2021-06-13 16:04:01 S 16 25 18.818 -35 34 15.02 V C57
2021-06-13 16:04:01 s 1 +158608.91 2 +278477.98 3390.0 C57
2021-06-13 16:14:01 S 16 25 17.902 -35 34 02.68 V C57
2021-06-13 16:14:01 s 1 +158377.54 7 +278989.63 7000.0 C57
2021-06-13 16:24:01 S 16 25 17.213 -35 33 49.21 V C57
2021-06-13 16:24:01 s 1 +158145.50 1 +279500.09 9030.0 C57
2021-06-13 16:54:01 S 16 25 14.340 -35 33 05.80 V C57
2021-06-13 16:54:01 s 1 +157445.31 0 +281024.33 5740.0 C57
2021-06-13 17:04:01 S 16 25 13.414 -35 32 52.55 V C57
2021-06-13 17:04:01 s 1 +157210.57 2 +281530.04 1550.0 C57
2021-06-13 17:14:01 S 16 25 12.569 -35 32 39.01 V C57
2021-06-13 17:14:01 s 1 +156975.16 8 +282034.55 5820.0 C57
2021-06-13 17:24:01 S 16 25 11.558 -35 32 25.73 V C57
2021-06-13 17:24:01 s 1 +156739.10 0 +282537.89 8560.0 C57
2021-06-13 17:34:01 S 16 25 10.711 -35 32 09.85 V C57
2021-06-13 17:34:01 s 1 +156502.37 3 +283040.04 9780.0 C57
2021-06-13 17:44:01 S 16 25 09.876 -35 31 57.43 V C57
2021-06-13 17:44:01 s 1 +156264.98 9 +283541.01 9490.0 C57
2021-06-13 17:54:01 S 16 25 08.870 -35 31 44.44 V C57
2021-06-13 17:54:01 s 1 +156026.95 1 +284040.79 7680.0 C57
2021-06-13 18:04:01 S 16 25 08.095 -35 31 26.80 V C57
2021-06-13 18:04:01 s 1 +155788.26 1 +284539.40 4380.0 C57
2021-06-13 18:14:01 S 16 25 07.102 -35 31 15.24 V C57
2021-06-13 18:14:01 s 1 +155548.92 3 +285036.83 9580.0 C57
2021-06-13 18:24:01 S 16 25 06.348 -35 31 02.46 V C57
2021-06-13 18:24:01 s 1 +155308.94 0 +285533.09 3300.0 C57
2021-06-13 18:34:01 S 16 25 05.215 -35 30 46.62 V C57
2021-06-13 18:34:01 s 1 +155068.31 3 +286028.17 5540.0 C57
2021-06-13 18:44:01 S 16 25 04.450 -35 30 35.21 V C57
2021-06-13 18:44:01 s 1 +154827.04 7 +286522.07 6310.0 C57
2021-06-13 18:54:01 S 16 25 03.636 -35 30 22.64 V C57