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
2021-06-19 22:54:01 s 1 -137382.51 8 +341759.68 7970.0 C57
2021-06-19 23:04:01 S 16 14 30.293 -32 42 33.98 V C57
2021-06-19 23:04:01 s 1 -137665.91 4 +341419.88 2790.0 C57
2021-06-19 23:14:01 S 16 14 30.065 -32 42 19.98 V C57
2021-06-19 23:14:01 s 1 -137948.91 1 +341079.13 6370.0 C57
2021-06-19 23:24:01 S 16 14 29.573 -32 42 09.00 V C57
2021-06-19 23:24:01 s 1 -138231.50 7 +340737.43 8700.0 C57
2021-06-19 23:44:01 S 16 14 28.274 -32 41 50.35 V C57
2021-06-19 23:44:01 s 1 -138795.49 5 +340051.16 9600.0 C57
2021-06-20 01:04:01 S 16 14 23.563 -32 40 34.82 V C57
2021-06-20 01:04:01 s 1 -141035.15 7 +337267.83 2430.0 C57
2021-06-20 01:14:01 S 16 14 22.858 -32 40 28.06 V C57
2021-06-20 01:14:01 s 1 -141313.25 8 +336915.60 760.0 C57
2021-06-20 01:24:01 S 16 14 22.313 -32 40 16.75 V C57
2021-06-20 01:24:01 s 1 -141590.94 1 +336562.41 7780.0 C57
2021-06-20 01:34:01 S 16 14 21.802 -32 40 10.45 V C57
2021-06-20 01:34:01 s 1 -141868.20 6 +336208.26 3510.0 C57
2021-06-20 01:54:01 S 16 14 20.686 -32 39 50.65 V C57
2021-06-20 01:54:01 s 1 -142421.47 2 +335497.07 1020.0 C57
2021-06-20 03:04:01 S 16 14 16.414 -32 38 50.86 V C57
2021-06-20 03:04:01 s 1 -144344.48 4 +332977.54 5660.0 C57
2021-06-20 03:14:01 S 16 14 15.984 -32 38 35.88 V C57
2021-06-20 03:14:01 s 1 -144617.47 5 +332613.74 8120.0 C57
2021-06-20 05:14:01 S 16 14 09.703 -32 36 44.86 V C57
2021-06-20 05:14:01 s 1 -147858.94 5 +328172.48 900.0 C57
2021-06-20 05:44:01 S 16 14 07.646 -32 36 13.72 V C57
2021-06-20 05:44:01 s 1 -148659.19 1 +327040.25 280.0 C57
2021-06-20 06:14:01 S 16 14 05.962 -32 35 50.28 V C57
2021-06-20 06:14:01 s 1 -149455.30 1 +325899.23 6880.0 C57
2021-06-20 06:24:01 S 16 14 05.443 -32 35 38.47 V C57
2021-06-20 06:24:01 s 1 -149719.74 4 +325516.92 2880.0 C57
2021-06-20 06:34:01 S 16 14 04.543 -32 35 35.81 V C57
2021-06-20 06:34:01 s 1 -149983.72 1 +325133.64 7450.0 C57
2021-06-20 06:44:01 S 16 14 04.226 -32 35 19.39 V C57
2021-06-20 06:44:01 s 1 -150247.23 1 +324749.38 570.0 C57
2021-06-20 06:54:01 S 16 14 03.506 -32 35 09.13 V C57
2021-06-20 06:54:01 s 1 -150510.27 1 +324364.13 2240.0 C57
2021-06-20 07:04:01 S 16 14 03.113 -32 34 59.30 V C57
2021-06-20 07:04:01 s 1 -150772.84 0 +323977.91 2460.0 C57
2021-06-20 07:14:01 S 16 14 02.323 -32 34 54.95 V C57
2021-06-20 07:14:01 s 1 -151034.93 7 +323590.70 1220.0 C57
2021-06-20 07:24:01 S 16 14 01.577 -32 34 44.98 V C57
2021-06-20 07:24:01 s 1 -151296.55 9 +323202.50 8520.0 C57
2021-06-20 07:44:01 S 16 14 00.965 -32 34 23.88 V C57
2021-06-20 07:44:01 s 1 -151818.37 3 +322423.16 8710.0 C57
2021-06-20 07:54:01 S 16 14 00.125 -32 34 14.52 V C57
2021-06-20 07:54:01 s 1 -152078.56 1 +322032.00 1590.0 C57
2021-06-20 08:04:01 S 16 13 59.849 -32 34 09.95 V C57
2021-06-20 08:04:01 s 1 -152338.26 9 +321639.87 2990.0 C57
2021-06-20 08:14:01 S 16 13 59.222 -32 33 57.02 V C57