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
2021-06-06 21:54:01 s 1 -189486.50 9 +243292.59 1270.0 C57
2021-06-06 22:04:01 S 16 49 11.004 -39 58 21.97 V C57
2021-06-06 22:04:01 s 1 -189641.70 8 +242725.39 9080.0 C57
2021-06-06 22:14:01 S 16 49 09.134 -39 58 08.76 V C57
2021-06-06 22:14:01 s 1 -189796.01 6 +242157.05 4320.0 C57
2021-06-06 22:24:01 S 16 49 07.418 -39 57 47.99 V C57
2021-06-06 22:24:01 s 1 -189949.42 8 +241587.58 6980.0 C57
2021-06-06 22:34:01 S 16 49 05.479 -39 57 32.22 V C57
2021-06-06 22:34:01 s 1 -190101.94 3 +241016.96 7040.0 C57
2021-06-06 22:44:01 S 16 49 03.725 -39 57 16.99 V C57
2021-06-06 22:44:01 s 1 -190253.55 5 +240445.20 4510.0 C57
2021-06-06 22:54:01 S 16 49 01.874 -39 56 58.74 V C57
2021-06-06 22:54:01 s 1 -190404.26 1 +239872.29 9370.0 C57
2021-06-06 23:04:01 S 16 48 59.964 -39 56 43.30 V C57
2021-06-06 23:04:01 s 1 -190554.05 8 +239298.24 1620.0 C57
2021-06-06 23:14:01 S 16 48 58.070 -39 56 25.08 V C57
2021-06-06 23:14:01 s 1 -190702.94 1 +238723.05 1230.0 C57
2021-06-06 23:24:01 S 16 48 56.378 -39 56 09.10 V C57
2021-06-06 23:24:01 s 1 -190850.90 7 +238146.70 8200.0 C57
2021-06-06 23:34:01 S 16 48 54.804 -39 55 50.77 V C57
2021-06-06 23:34:01 s 1 -190997.95 2 +237569.21 2520.0 C57
2021-06-06 23:44:01 S 16 48 52.550 -39 55 30.43 V C57
2021-06-06 23:44:01 s 1 -191144.07 2 +236990.57 4180.0 C57
2021-06-06 23:54:01 S 16 48 50.866 -39 55 18.98 V C57
2021-06-06 23:54:01 s 1 -191289.26 4 +236410.78 3170.0 C57
2021-06-07 00:04:01 S 16 48 49.099 -39 54 58.79 V C57
2021-06-07 00:04:01 s 1 -191433.52 3 +235829.83 9480.0 C57
2021-06-07 00:14:01 S 16 48 47.210 -39 54 43.24 V C57
2021-06-07 00:14:01 s 1 -191576.84 6 +235247.74 3100.0 C57
2021-06-07 00:24:01 S 16 48 45.185 -39 54 30.06 V C57
2021-06-07 00:24:01 s 1 -191719.22 8 +234664.49 4010.0 C57
2021-06-07 00:34:01 S 16 48 43.536 -39 54 13.86 V C57
2021-06-07 00:34:01 s 1 -191860.66 7 +234080.08 2210.0 C57
2021-06-07 00:44:01 S 16 48 41.424 -39 53 58.24 V C57
2021-06-07 00:44:01 s 1 -192001.15 7 +233494.52 7690.0 C57
2021-06-07 00:54:01 S 16 48 39.578 -39 53 40.20 V C57
2021-06-07 00:54:01 s 1 -192140.69 5 +232907.80 430.0 C57
2021-06-07 01:04:01 S 16 48 37.867 -39 53 22.78 V C57
2021-06-07 01:04:01 s 1 -192279.27 7 +232319.93 430.0 C57
2021-06-07 01:14:01 S 16 48 36.017 -39 53 04.63 V C57
2021-06-07 01:14:01 s 1 -192416.89 9 +231730.89 7670.0 C57
2021-06-07 01:24:01 S 16 48 34.121 -39 52 49.73 V C57
2021-06-07 01:24:01 s 1 -192553.55 7 +231140.69 2150.0 C57
2021-06-07 01:34:01 S 16 48 32.395 -39 52 32.59 V C57
2021-06-07 01:34:01 s 1 -192689.24 6 +230549.34 3850.0 C57
2021-06-07 01:44:01 S 16 48 30.612 -39 52 16.32 V C57
2021-06-07 01:44:01 s 1 -192823.96 4 +229956.82 2750.0 C57
2021-06-07 01:54:01 S 16 48 28.800 -39 51 55.80 V C57
2021-06-07 01:54:01 s 1 -192957.70 5 +229363.13 8860.0 C57
2021-06-07 02:04:01 S 16 48 26.878 -39 51 42.12 V C57