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
2021-06-14 04:34:01 s 1 +139554.11 4 +313629.44 5450.0 C57
2021-06-14 04:44:01 S 16 24 11.412 -35 16 57.50 V C57
2021-06-14 04:44:01 s 1 +139279.14 3 +314055.16 9760.0 C57
2021-06-14 04:54:01 S 16 24 10.973 -35 16 44.00 V C57
2021-06-14 04:54:01 s 1 +139003.68 1 +314479.77 2980.0 C57
2021-06-14 05:04:01 S 16 24 09.862 -35 16 29.96 V C57
2021-06-14 05:04:01 s 1 +138727.73 1 +314903.28 5100.0 C57
2021-06-14 05:14:01 S 16 24 09.010 -35 16 15.60 V C57
2021-06-14 05:14:01 s 1 +138451.29 4 +315325.70 6150.0 C57
2021-06-14 05:24:01 S 16 24 08.119 -35 16 03.76 V C57
2021-06-14 05:24:01 s 1 +138174.37 3 +315747.01 6110.0 C57
2021-06-14 05:34:01 S 16 24 07.231 -35 15 51.88 V C57
2021-06-14 05:34:01 s 1 +137896.97 0 +316167.23 5000.0 C57
2021-06-14 05:44:01 S 16 24 06.343 -35 15 39.31 V C57
2021-06-14 05:44:01 s 1 +137619.08 7 +316586.35 2820.0 C57
2021-06-14 05:54:01 S 16 24 05.424 -35 15 24.48 V C57
2021-06-14 05:54:01 s 1 +137340.72 5 +317004.38 9580.0 C57
2021-06-14 06:04:01 S 16 24 04.596 -35 15 09.25 V C57
2021-06-14 06:04:01 s 1 +137061.88 8 +317421.32 5280.0 C57
2021-06-14 06:14:01 S 16 24 03.494 -35 14 58.63 V C57
2021-06-14 06:14:01 s 1 +136782.57 7 +317837.16 9920.0 C57
2021-06-14 06:34:01 S 16 24 01.999 -35 14 31.88 V C57
2021-06-14 06:34:01 s 1 +136222.54 0 +318665.56 6070.0 C57
2021-06-14 06:44:01 S 16 24 01.046 -35 14 17.38 V C57
2021-06-14 06:44:01 s 1 +135941.82 0 +319078.13 7590.0 C57
2021-06-14 07:14:01 S 16 23 58.694 -35 13 41.02 V C57
2021-06-14 07:14:01 s 1 +135096.87 0 +320309.31 5970.0 C57
2021-06-14 07:24:01 S 16 23 57.511 -35 13 30.07 V C57
2021-06-14 07:24:01 s 1 +134814.29 9 +320717.53 3380.0 C57
2021-06-14 07:34:01 S 16 23 56.738 -35 13 11.06 V C57
2021-06-14 07:34:01 s 1 +134531.26 9 +321124.67 9790.0 C57
2021-06-14 07:44:01 S 16 23 55.951 -35 12 59.08 V C57
2021-06-14 07:44:01 s 1 +134247.78 4 +321530.72 5180.0 C57
2021-06-14 07:54:01 S 16 23 55.214 -35 12 42.26 V C57
2021-06-14 07:54:01 s 1 +133963.84 4 +321935.69 9580.0 C57
2021-06-14 08:04:01 S 16 23 54.516 -35 12 32.76 V C57
2021-06-14 08:04:01 s 1 +133679.45 3 +322339.58 2980.0 C57
2021-06-14 08:14:01 S 16 23 53.693 -35 12 15.88 V C57
2021-06-14 08:14:01 s 1 +133394.61 2 +322742.38 5380.0 C57
2021-06-14 08:34:01 S 16 23 51.643 -35 11 52.04 V C57
2021-06-14 08:34:01 s 1 +132823.58 9 +323544.76 7230.0 C57
2021-06-14 08:44:01 S 16 23 50.959 -35 11 39.05 V C57
2021-06-14 08:44:01 s 1 +132537.41 0 +323944.34 6690.0 C57
2021-06-14 09:04:01 S 16 23 49.039 -35 11 12.05 V C57
2021-06-14 09:04:01 s 1 +131963.72 8 +324740.25 2690.0 C57
2021-06-14 09:14:01 S 16 23 48.406 -35 10 57.72 V C57
2021-06-14 09:14:01 s 1 +131676.22 9 +325136.60 9240.0 C57
2021-06-14 09:24:01 S 16 23 47.458 -35 10 45.30 V C57
2021-06-14 09:24:01 s 1 +131388.29 3 +325531.87 4830.0 C57
2021-06-14 09:34:01 S 16 23 46.507 -35 10 31.19 V C57