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
2021-06-07 19:14:01 s 1 -200599.43 7 +161046.51 3160.0 C57
2021-06-07 19:24:01 S 16 45 19.282 -39 23 30.59 V C57
2021-06-07 19:24:01 s 1 -200602.09 2 +160324.69 8450.0 C57
2021-06-07 19:44:01 S 16 45 15.694 -39 22 58.69 V C57
2021-06-07 19:44:01 s 1 -200602.62 6 +158877.23 5670.0 C57
2021-06-07 19:54:01 S 16 45 13.882 -39 22 40.40 V C57
2021-06-07 19:54:01 s 1 -200600.49 0 +158151.59 7560.0 C57
2021-06-07 20:04:01 S 16 45 11.981 -39 22 26.94 V C57
2021-06-07 20:04:01 s 1 -200596.74 0 +157424.68 4950.0 C57
2021-06-07 20:14:01 S 16 45 10.334 -39 22 11.17 V C57
2021-06-07 20:14:01 s 1 -200591.37 0 +156696.50 7810.0 C57
2021-06-07 20:34:01 S 16 45 06.768 -39 21 37.91 V C57
2021-06-07 20:34:01 s 1 -200575.73 1 +155236.31 9860.0 C57
2021-06-07 20:54:01 S 16 45 03.262 -39 21 07.34 V C57
2021-06-07 20:54:01 s 1 -200553.50 6 +153771.03 3530.0 C57
2021-06-07 21:04:01 S 16 45 01.450 -39 20 49.81 V C57
2021-06-07 21:04:01 s 1 -200539.90 3 +153036.47 3410.0 C57
2021-06-07 21:14:01 S 16 44 59.712 -39 20 33.07 V C57
2021-06-07 21:14:01 s 1 -200524.62 8 +152300.64 8640.0 C57
2021-06-07 21:24:01 S 16 44 57.917 -39 20 19.64 V C57
2021-06-07 21:24:01 s 1 -200507.67 3 +151563.53 9180.0 C57
2021-06-07 21:34:01 S 16 44 56.186 -39 20 01.82 V C57
2021-06-07 21:34:01 s 1 -200489.02 8 +150825.14 5010.0 C57
2021-06-07 21:44:01 S 16 44 54.233 -39 19 45.84 V C57
2021-06-07 21:44:01 s 1 -200468.68 5 +150085.48 6110.0 C57
2021-06-07 21:54:01 S 16 44 52.404 -39 19 28.20 V C57
2021-06-07 21:54:01 s 1 -200446.63 5 +149344.53 2450.0 C57
2021-06-07 22:04:01 S 16 44 50.837 -39 19 15.06 V C57
2021-06-07 22:04:01 s 1 -200422.86 9 +148602.31 4020.0 C57
2021-06-07 22:24:01 S 16 44 47.321 -39 18 42.98 V C57
2021-06-07 22:24:01 s 1 -200370.15 4 +147114.03 2720.0 C57
2021-06-07 22:34:01 S 16 44 45.358 -39 18 25.45 V C57
2021-06-07 22:34:01 s 1 -200341.18 6 +146367.96 9800.0 C57
2021-06-07 22:44:01 S 16 44 43.687 -39 18 08.89 V C57
2021-06-07 22:44:01 s 1 -200310.46 7 +145620.62 2010.0 C57
2021-06-07 22:54:01 S 16 44 41.897 -39 17 52.22 V C57
2021-06-07 22:54:01 s 1 -200277.98 6 +144872.00 9330.0 C57
2021-06-07 23:04:01 S 16 44 40.291 -39 17 39.59 V C57
2021-06-07 23:04:01 s 1 -200243.73 5 +144122.09 1720.0 C57
2021-06-07 23:14:01 S 16 44 38.436 -39 17 19.64 V C57
2021-06-07 23:14:01 s 1 -200207.70 3 +143370.90 9160.0 C57
2021-06-07 23:44:01 S 16 44 33.127 -39 16 33.92 V C57
2021-06-07 23:44:01 s 1 -200088.83 5 +141109.64 1530.0 C57
2021-06-07 23:54:01 S 16 44 31.315 -39 16 18.77 V C57
2021-06-07 23:54:01 s 1 -200045.58 8 +140353.33 8930.0 C57
2021-06-08 00:04:01 S 16 44 29.566 -39 16 04.87 V C57
2021-06-08 00:04:01 s 1 -200000.51 4 +139595.72 1250.0 C57
2021-06-08 00:14:01 S 16 44 27.662 -39 15 45.07 V C57
2021-06-08 00:14:01 s 1 -199953.60 2 +138836.84 8460.0 C57
2021-06-08 00:24:01 S 16 44 26.040 -39 15 29.74 V C57