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
2021-06-08 06:14:01 s 1 -196951.75 5 +110662.53 5790.0 C57
2021-06-08 06:24:01 S 16 43 22.747 -39 05 59.10 V C57
2021-06-08 06:24:01 s 1 -196829.22 7 +109856.26 4180.0 C57
2021-06-08 06:34:01 S 16 43 20.938 -39 05 40.96 V C57
2021-06-08 06:34:01 s 1 -196704.42 7 +109048.71 6320.0 C57
2021-06-08 06:44:01 S 16 43 19.090 -39 05 26.34 V C57
2021-06-08 06:44:01 s 1 -196577.34 2 +108239.91 2180.0 C57
2021-06-08 06:54:01 S 16 43 17.376 -39 05 11.26 V C57
2021-06-08 06:54:01 s 1 -196447.95 9 +107429.83 1730.0 C57
2021-06-08 07:04:01 S 16 43 15.787 -39 04 55.81 V C57
2021-06-08 07:04:01 s 1 -196316.26 5 +106618.49 4930.0 C57
2021-06-08 07:14:01 S 16 43 13.980 -39 04 41.59 V C57
2021-06-08 07:14:01 s 1 -196182.24 5 +105805.88 1750.0 C57
2021-06-08 07:24:01 S 16 43 12.305 -39 04 22.84 V C57
2021-06-08 07:24:01 s 1 -196045.88 6 +104992.01 2150.0 C57
2021-06-08 07:34:01 S 16 43 10.505 -39 04 08.69 V C57
2021-06-08 07:34:01 s 1 -195907.17 4 +104176.88 6090.0 C57
2021-06-08 08:24:01 S 16 43 01.507 -39 02 48.44 V C57
2021-06-08 08:24:01 s 1 -195177.82 9 +100082.35 7680.0 C57
2021-06-08 08:34:01 S 16 42 59.729 -39 02 38.72 V C57
2021-06-08 08:34:01 s 1 -195024.70 3 +99259.682 2120.0 C57
2021-06-08 08:44:01 S 16 42 58.116 -39 02 16.84 V C57
2021-06-08 08:44:01 s 1 -194869.12 4 +98435.763 9830.0 C57
2021-06-08 08:54:01 S 16 42 56.314 -39 02 02.90 V C57
2021-06-08 08:54:01 s 1 -194711.07 7 +97610.595 790.0 C57
2021-06-08 09:04:01 S 16 42 54.797 -39 01 45.66 V C57
2021-06-08 09:04:01 s 1 -194550.54 8 +96784.181 4960.0 C57
2021-06-08 09:14:01 S 16 42 52.980 -39 01 32.30 V C57
2021-06-08 09:14:01 s 1 -194387.52 2 +95956.522 2290.0 C57
2021-06-08 09:24:01 S 16 42 51.173 -39 01 15.64 V C57
2021-06-08 09:24:01 s 1 -194221.98 2 +95127.622 2760.0 C57
2021-06-08 09:34:01 S 16 42 49.243 -39 00 58.64 V C57
2021-06-08 09:34:01 s 1 -194053.91 5 +94297.481 6300.0 C57
2021-06-08 09:44:01 S 16 42 47.474 -39 00 45.04 V C57
2021-06-08 09:44:01 s 1 -193883.30 5 +93466.102 2900.0 C57
2021-06-08 09:54:01 S 16 42 45.696 -39 00 26.21 V C57
2021-06-08 09:54:01 s 1 -193710.13 6 +92633.488 2500.0 C57
2021-06-08 10:04:01 S 16 42 44.124 -39 00 14.72 V C57
2021-06-08 10:04:01 s 1 -193534.39 2 +91799.641 5070.0 C57
2021-06-08 10:14:01 S 16 42 42.242 -38 59 53.99 V C57
2021-06-08 10:14:01 s 1 -193356.05 8 +90964.564 560.0 C57
2021-06-08 10:24:01 S 16 42 40.886 -38 59 43.08 V C57
2021-06-08 10:24:01 s 1 -193175.11 8 +90128.258 8940.0 C57
2021-06-08 10:34:01 S 16 42 38.755 -38 59 25.40 V C57
2021-06-08 10:34:01 s 1 -192991.55 6 +89290.727 160.0 C57
2021-06-08 10:44:01 S 16 42 36.934 -38 59 08.45 V C57
2021-06-08 10:44:01 s 1 -192805.35 5 +88451.973 4180.0 C57
2021-06-08 10:54:01 S 16 42 35.251 -38 58 54.26 V C57
2021-06-08 10:54:01 s 1 -192616.50 0 +87611.999 950.0 C57
2021-06-08 11:04:01 S 16 42 33.538 -38 58 37.13 V C57