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
2021-06-15 02:04:01 S 16 22 24.677 -34 49 16.14 V C57
2021-06-15 02:04:01 s 1 +100707.45 7 +359790.63 5470.0 C57
2021-06-15 02:24:01 S 16 22 23.040 -34 48 55.15 V C57
2021-06-15 02:24:01 s 1 +100060.50 6 +360372.55 6040.0 C57
2021-06-15 02:54:01 S 16 22 20.947 -34 48 14.29 V C57
2021-06-15 02:54:01 s 1 +99088.032 0 +361238.05 2780.0 C57
2021-06-15 04:04:01 S 16 22 15.120 -34 46 44.80 V C57
2021-06-15 04:04:01 s 1 +96809.555 0 +363223.08 6460.0 C57
2021-06-15 06:24:01 S 16 22 04.130 -34 43 51.42 V C57
2021-06-15 06:24:01 s 1 +92214.753 0 +367049.27 8970.0 C57
2021-06-15 06:34:01 S 16 22 02.791 -34 43 40.08 V C57
2021-06-15 06:34:01 s 1 +91884.692 0 +367315.26 6220.0 C57
2021-06-15 06:44:01 S 16 22 02.609 -34 43 29.57 V C57
2021-06-15 06:44:01 s 1 +91554.389 0 +367580.29 3000.0 C57
2021-06-15 06:54:01 S 16 22 01.570 -34 43 17.11 V C57
2021-06-15 06:54:01 s 1 +91223.845 0 +367844.34 9320.0 C57
2021-06-15 07:04:01 S 16 22 00.787 -34 43 03.86 V C57
2021-06-15 07:04:01 s 1 +90893.063 0 +368107.43 5170.0 C57
2021-06-15 07:14:01 S 16 21 59.750 -34 42 50.62 V C57
2021-06-15 07:14:01 s 1 +90562.043 0 +368369.54 560.0 C57
2021-06-15 07:24:01 S 16 21 59.002 -34 42 34.24 V C57
2021-06-15 07:24:01 s 1 +90230.785 0 +368630.69 5490.0 C57
2021-06-15 07:34:01 S 16 21 58.435 -34 42 27.29 V C57
2021-06-15 07:34:01 s 1 +89899.293 0 +368890.87 9970.0 C57
2021-06-15 07:54:01 S 16 21 56.758 -34 42 01.12 V C57
2021-06-15 07:54:01 s 1 +89235.606 0 +369408.34 7590.0 C57
2021-06-15 08:14:01 S 16 21 55.171 -34 41 38.15 V C57
2021-06-15 08:14:01 s 1 +88570.992 0 +369921.94 3420.0 C57
2021-06-15 08:34:01 S 16 21 53.880 -34 41 14.14 V C57
2021-06-15 08:34:01 s 1 +87905.460 0 +370431.68 7500.0 C57
2021-06-15 08:44:01 S 16 21 52.735 -34 40 56.86 V C57
2021-06-15 08:44:01 s 1 +87572.353 0 +370685.11 8890.0 C57
2021-06-15 08:54:01 S 16 21 52.306 -34 40 48.43 V C57
2021-06-15 08:54:01 s 1 +87239.020 0 +370937.57 9850.0 C57
2021-06-15 09:04:01 S 16 21 51.427 -34 40 34.25 V C57
2021-06-15 09:04:01 s 1 +86905.463 0 +371189.08 380.0 C57
2021-06-15 09:14:01 S 16 21 50.539 -34 40 23.23 V C57
2021-06-15 09:14:01 s 1 +86571.682 0 +371439.62 490.0 C57
2021-06-15 09:24:01 S 16 21 49.591 -34 40 09.01 V C57
2021-06-15 09:24:01 s 1 +86237.678 0 +371689.20 170.0 C57
2021-06-15 09:34:01 S 16 21 48.926 -34 39 58.64 V C57
2021-06-15 09:34:01 s 1 +85903.454 0 +371937.82 9440.0 C57
2021-06-15 09:54:01 S 16 21 47.254 -34 39 34.34 V C57
2021-06-15 09:54:01 s 1 +85234.346 0 +372432.18 6740.0 C57
2021-06-15 10:04:01 S 16 21 46.850 -34 39 22.75 V C57
2021-06-15 10:04:01 s 1 +84899.464 0 +372677.93 4780.0 C57
2021-06-15 10:14:01 S 16 21 46.147 -34 39 07.99 V C57
2021-06-15 10:14:01 s 1 +84564.367 0 +372922.71 2400.0 C57
2021-06-15 10:24:01 S 16 21 44.887 -34 38 56.36 V C57
2021-06-15 10:24:01 s 1 +84229.054 0 +373166.54 9630.0 C57