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
2021-06-01 07:24:01 s 1 +61454.874 0 +386511.56 9690.0 C57
2021-06-01 07:34:02 S 17 19 52.166 -44 15 43.16 V C57
2021-06-01 07:34:02 s 1 +61109.667 0 +386694.30 3240.0 C57
2021-06-01 07:44:01 S 17 19 49.406 -44 15 22.39 V C57
2021-06-01 07:44:01 s 1 +60764.310 0 +386876.12 6550.0 C57
2021-06-01 07:54:02 S 17 19 46.594 -44 15 00.68 V C57
2021-06-01 07:54:02 s 1 +60418.804 0 +387057.03 9610.0 C57
2021-06-01 08:14:02 S 17 19 40.896 -44 14 17.23 V C57
2021-06-01 08:14:02 s 1 +59727.348 0 +387416.10 5010.0 C57
2021-06-01 08:24:01 S 17 19 37.985 -44 13 56.60 V C57
2021-06-01 08:24:01 s 1 +59381.399 0 +387594.27 7350.0 C57
2021-06-01 08:34:01 S 17 19 34.961 -44 13 33.49 V C57
2021-06-01 08:34:01 s 1 +59035.305 0 +387771.52 9450.0 C57
2021-06-01 08:44:01 S 17 19 32.287 -44 13 11.71 V C57
2021-06-01 08:44:01 s 1 +58689.067 0 +387947.86 1330.0 C57
2021-06-01 09:34:01 S 17 19 18.065 -44 11 23.21 V C57
2021-06-01 09:34:01 s 1 +56955.738 0 +388815.86 7280.0 C57
2021-06-01 09:44:02 S 17 19 15.264 -44 11 02.65 V C57
2021-06-01 09:44:02 s 1 +56608.652 0 +388986.72 7800.0 C57
2021-06-01 09:54:01 S 17 19 12.523 -44 10 40.33 V C57
2021-06-01 09:54:01 s 1 +56261.427 0 +389156.68 8110.0 C57
2021-06-01 10:04:01 S 17 19 09.466 -44 10 17.26 V C57
2021-06-01 10:04:01 s 1 +55914.066 0 +389325.72 8210.0 C57
2021-06-01 10:14:01 S 17 19 06.830 -44 09 56.70 V C57
2021-06-01 10:14:01 s 1 +55566.569 0 +389493.86 8090.0 C57
2021-06-01 10:24:01 S 17 19 03.902 -44 09 35.06 V C57
2021-06-01 10:24:01 s 1 +55218.936 0 +389661.09 7760.0 C57
2021-06-01 10:34:02 S 17 19 01.034 -44 09 12.64 V C57
2021-06-01 10:34:02 s 1 +54871.170 0 +389827.40 7230.0 C57
2021-06-01 10:44:01 S 17 18 58.145 -44 08 50.64 V C57
2021-06-01 10:44:01 s 1 +54523.270 0 +389992.81 6490.0 C57
2021-06-01 10:54:02 S 17 18 55.514 -44 08 30.95 V C57
2021-06-01 10:54:02 s 1 +54175.237 0 +390157.31 5550.0 C57
2021-06-01 11:54:01 S 17 18 38.460 -44 06 19.48 V C57
2021-06-01 11:54:01 s 1 +52084.316 0 +391125.27 5790.0 C57
2021-06-01 12:04:02 S 17 18 35.582 -44 05 57.48 V C57
2021-06-01 12:04:02 s 1 +51735.384 0 +391283.43 3500.0 C57
2021-06-01 12:14:01 S 17 18 32.863 -44 05 36.49 V C57
2021-06-01 12:14:01 s 1 +51386.326 0 +391440.68 1030.0 C57
2021-06-01 12:24:02 S 17 18 30.034 -44 05 14.46 V C57
2021-06-01 12:24:02 s 1 +51037.144 0 +391597.03 8370.0 C57
2021-06-01 12:34:01 S 17 18 27.199 -44 04 53.47 V C57
2021-06-01 12:34:01 s 1 +50687.839 0 +391752.47 5540.0 C57
2021-06-01 12:44:01 S 17 18 24.358 -44 04 31.08 V C57
2021-06-01 12:44:01 s 1 +50338.412 0 +391907.01 2520.0 C57
2021-06-01 12:54:01 S 17 18 21.641 -44 04 10.81 V C57
2021-06-01 12:54:01 s 1 +49988.864 0 +392060.64 9340.0 C57
2021-06-01 13:04:01 S 17 18 18.794 -44 03 48.06 V C57
2021-06-01 13:04:01 s 1 +49639.195 0 +392213.37 5980.0 C57
2021-06-01 13:14:01 S 17 18 15.938 -44 03 26.78 V C57