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
2021-06-20 08:14:01 s 1 -152597.49 3 +321246.74 2900.0 C57
2021-06-20 08:24:01 S 16 13 58.687 -32 33 48.13 V C57
2021-06-20 08:24:01 s 1 -152856.23 3 +320852.63 1320.0 C57
2021-06-20 08:34:01 S 16 13 57.967 -32 33 37.84 V C57
2021-06-20 08:34:01 s 1 -153114.48 6 +320457.52 8240.0 C57
2021-06-20 08:44:01 S 16 13 57.130 -32 33 32.54 V C57
2021-06-20 08:44:01 s 1 -153372.25 1 +320061.43 3660.0 C57
2021-06-20 09:04:01 S 16 13 56.232 -32 33 10.15 V C57
2021-06-20 09:04:01 s 1 -153886.31 1 +319266.28 9970.0 C57
2021-06-20 09:14:01 S 16 13 55.423 -32 33 07.92 V C57
2021-06-20 09:14:01 s 1 -154142.60 1 +318867.21 850.0 C57
2021-06-20 09:24:01 S 16 13 55.066 -32 32 56.47 V C57
2021-06-20 09:24:01 s 1 -154398.39 6 +318467.15 200.0 C57
2021-06-20 09:34:01 S 16 13 54.468 -32 32 44.70 V C57
2021-06-20 09:34:01 s 1 -154653.69 5 +318066.10 8030.0 C57
2021-06-20 09:44:01 S 16 13 54.264 -32 32 36.71 V C57
2021-06-20 09:44:01 s 1 -154908.49 5 +317664.06 4330.0 C57
2021-06-20 09:54:01 S 16 13 53.755 -32 32 23.21 V C57
2021-06-20 09:54:01 s 1 -155162.79 4 +317261.02 9080.0 C57
2021-06-20 10:14:01 S 16 13 52.486 -32 32 05.68 V C57
2021-06-20 10:14:01 s 1 -155669.88 5 +316451.95 3960.0 C57
2021-06-20 10:24:01 S 16 13 51.494 -32 31 57.58 V C57
2021-06-20 10:24:01 s 1 -155922.67 2 +316045.92 4080.0 C57
2021-06-20 10:26:27 C 16 12 56.44 -32 35 04.3 V T05
2021-06-20 10:31:48 C 16 12 56.14 -32 34 58.8 V T05
2021-06-20 10:42:24 C 16 12 55.49 -32 34 47.9 V T05
2021-06-20 11:04:01 S 16 13 49.442 -32 31 22.94 V C57
2021-06-20 11:04:01 s 1 -156928.72 7 +314411.82 8880.0 C57
2021-06-20 11:14:01 S 16 13 48.917 -32 31 13.84 V C57
2021-06-20 11:14:01 s 1 -157178.95 8 +314000.80 1140.0 C57
2021-06-20 12:04:01 S 16 13 46.553 -32 30 21.82 V C57
2021-06-20 12:04:01 s 1 -158422.32 5 +311930.64 8560.0 C57
2021-06-20 12:44:01 S 16 13 44.292 -32 29 49.13 V C57
2021-06-20 12:44:01 s 1 -159407.56 1 +310256.43 9510.0 C57
2021-06-20 12:54:01 S 16 13 43.457 -32 29 40.24 V C57
2021-06-20 12:54:01 s 1 -159652.54 0 +309835.35 5670.0 C57
2021-06-20 13:04:01 S 16 13 43.080 -32 29 30.66 V C57
2021-06-20 13:04:01 s 1 -159896.98 4 +309413.27 190.0 C57
2021-06-20 13:14:01 S 16 13 42.098 -32 29 23.42 V C57
2021-06-20 13:14:01 s 1 -160140.89 0 +308990.18 3070.0 C57
2021-06-20 13:34:01 S 16 13 40.946 -32 29 08.92 V C57
2021-06-20 13:34:01 s 1 -160627.08 2 +308140.96 3860.0 C57
2021-06-20 14:34:01 S 16 13 37.668 -32 28 09.88 V C57
2021-06-20 14:34:01 s 1 -162072.55 5 +305569.00 6160.0 C57
2021-06-20 15:14:01 S 16 13 35.234 -32 27 39.56 V C57
2021-06-20 15:14:01 s 1 -163025.12 6 +303834.02 7150.0 C57
2021-06-20 15:34:01 S 16 13 34.310 -32 27 20.84 V C57
2021-06-20 15:34:01 s 1 -163498.04 0 +302960.41 7350.0 C57
2021-06-20 15:54:01 S 16 13 33.187 -32 26 58.13 V C57
2021-06-20 15:54:01 s 1 -163968.68 5 +302082.72 610.0 C57