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
2021-05-29 18:04:02 s 1 +167530.67 9 +251526.75 9260.0 C57
2021-05-29 18:14:02 S 17 39 54.170 -46 38 04.99 V C57
2021-05-29 18:14:02 s 1 +167339.69 5 +252097.75 3120.0 C57
2021-05-29 18:24:02 S 17 39 50.311 -46 37 40.62 V C57
2021-05-29 18:24:02 s 1 +167147.85 9 +252667.48 5050.0 C57
2021-05-29 18:34:02 S 17 39 46.582 -46 37 15.89 V C57
2021-05-29 18:34:02 s 1 +166955.17 5 +253235.95 5060.0 C57
2021-05-29 18:44:02 S 17 39 42.778 -46 36 51.12 V C57
2021-05-29 18:44:02 s 1 +166761.64 7 +253803.16 3160.0 C57
2021-05-29 18:54:02 S 17 39 39.370 -46 36 27.43 V C57
2021-05-29 18:54:02 s 1 +166567.27 9 +254369.10 9360.0 C57
2021-05-29 19:04:02 S 17 39 35.402 -46 36 01.44 V C57
2021-05-29 19:04:02 s 1 +166372.07 4 +254933.78 3660.0 C57
2021-05-29 19:14:02 S 17 39 31.637 -46 35 36.46 V C57
2021-05-29 19:14:02 s 1 +166176.03 7 +255497.20 6070.0 C57
2021-05-29 19:24:02 S 17 39 27.912 -46 35 13.92 V C57
2021-05-29 19:24:02 s 1 +165979.17 1 +256059.36 6610.0 C57
2021-05-29 19:34:02 S 17 39 24.295 -46 34 50.16 V C57
2021-05-29 19:34:02 s 1 +165781.48 0 +256620.27 5290.0 C57
2021-05-29 19:44:02 S 17 39 20.551 -46 34 24.24 V C57
2021-05-29 19:44:02 s 1 +165582.96 9 +257179.93 2100.0 C57
2021-05-29 19:54:02 S 17 39 16.735 -46 33 59.90 V C57
2021-05-29 19:54:02 s 1 +165383.64 0 +257738.33 7070.0 C57
2021-05-29 20:04:02 S 17 39 13.034 -46 33 32.69 V C57
2021-05-29 20:04:02 s 1 +165183.49 8 +258295.48 200.0 C57
2021-05-29 20:14:02 S 17 39 09.456 -46 33 09.72 V C57
2021-05-29 20:14:02 s 1 +164982.54 6 +258851.38 1490.0 C57
2021-05-29 20:24:02 S 17 39 05.832 -46 32 45.17 V C57
2021-05-29 20:24:02 s 1 +164780.78 8 +259406.03 970.0 C57
2021-05-29 20:34:02 S 17 39 02.191 -46 32 21.23 V C57
2021-05-29 20:34:02 s 1 +164578.22 7 +259959.44 8630.0 C57
2021-05-29 20:44:02 S 17 38 58.315 -46 31 57.11 V C57
2021-05-29 20:44:02 s 1 +164374.86 8 +260511.60 4490.0 C57
2021-05-29 20:54:02 S 17 38 54.590 -46 31 30.72 V C57
2021-05-29 20:54:02 s 1 +164170.71 4 +261062.52 8550.0 C57
2021-05-29 21:04:02 S 17 38 51.005 -46 31 07.82 V C57
2021-05-29 21:04:02 s 1 +163965.76 9 +261612.20 830.0 C57
2021-05-29 21:24:02 S 17 38 43.838 -46 30 19.55 V C57
2021-05-29 21:24:02 s 1 +163553.51 9 +262707.84 60.0 C57
2021-05-29 21:34:02 S 17 38 39.794 -46 29 51.68 V C57
2021-05-29 21:34:02 s 1 +163346.22 1 +263253.80 7020.0 C57
2021-05-29 21:44:02 S 17 38 36.110 -46 29 28.72 V C57
2021-05-29 21:44:02 s 1 +163138.14 6 +263798.53 2240.0 C57
2021-05-29 21:54:02 S 17 38 32.544 -46 29 05.17 V C57
2021-05-29 21:54:02 s 1 +162929.29 8 +264342.02 5710.0 C57
2021-05-29 22:04:02 S 17 38 29.028 -46 28 41.92 V C57
2021-05-29 22:04:02 s 1 +162719.68 0 +264884.28 7440.0 C57
2021-05-29 22:14:02 S 17 38 25.426 -46 28 14.95 V C57
2021-05-29 22:14:02 s 1 +162509.29 5 +265425.31 7450.0 C57
2021-05-29 22:24:02 S 17 38 21.622 -46 27 50.44 V C57