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
2021-06-18 02:54:01 s 1 -52316.340 0 +399499.01 3550.0 C57
2021-06-18 03:24:01 S 16 17 09.338 -33 25 28.06 V C57
2021-06-18 03:24:01 s 1 -53362.772 0 +399189.92 4540.0 C57
2021-06-18 03:34:01 S 16 17 08.863 -33 25 19.20 V C57
2021-06-18 03:34:01 s 1 -53711.332 0 +399085.15 3910.0 C57
2021-06-18 03:44:01 S 16 17 08.282 -33 25 14.66 V C57
2021-06-18 03:44:01 s 1 -54059.764 0 +398979.51 2800.0 C57
2021-06-18 04:34:01 S 16 17 04.944 -33 24 17.68 V C57
2021-06-18 04:34:01 s 1 -55799.994 0 +398438.28 9980.0 C57
2021-06-18 04:44:01 S 16 17 04.279 -33 24 09.47 V C57
2021-06-18 04:44:01 s 1 -56147.648 0 +398327.42 5940.0 C57
2021-06-18 04:54:01 S 16 17 03.799 -33 24 01.58 V C57
2021-06-18 04:54:01 s 1 -56495.169 0 +398215.70 1400.0 C57
2021-06-18 05:04:01 S 16 17 02.966 -33 23 48.05 V C57
2021-06-18 05:04:01 s 1 -56842.556 0 +398103.10 6360.0 C57
2021-06-18 05:14:01 S 16 17 02.539 -33 23 39.16 V C57
2021-06-18 05:14:01 s 1 -57189.809 0 +397989.63 820.0 C57
2021-06-18 05:24:01 S 16 17 01.370 -33 23 27.96 V C57
2021-06-18 05:24:01 s 1 -57536.926 0 +397875.30 4780.0 C57
2021-06-18 05:54:01 S 16 16 59.822 -33 22 56.21 V C57
2021-06-18 05:54:01 s 1 -58577.459 0 +397527.06 3610.0 C57
2021-06-18 06:04:01 S 16 16 58.894 -33 22 45.95 V C57
2021-06-18 06:04:01 s 1 -58924.028 0 +397409.25 5530.0 C57
2021-06-18 06:14:01 S 16 16 58.565 -33 22 36.62 V C57
2021-06-18 06:14:01 s 1 -59270.457 0 +397290.56 6940.0 C57
2021-06-18 06:24:01 S 16 16 57.775 -33 22 24.92 V C57
2021-06-18 06:24:01 s 1 -59616.746 0 +397170.99 7830.0 C57
2021-06-18 06:34:01 S 16 16 56.954 -33 22 17.87 V C57
2021-06-18 06:34:01 s 1 -59962.893 0 +397050.56 8200.0 C57
2021-06-18 06:44:01 S 16 16 56.789 -33 22 03.43 V C57
2021-06-18 06:44:01 s 1 -60308.899 0 +396929.26 8050.0 C57
2021-06-18 06:54:01 S 16 16 55.874 -33 21 57.42 V C57
2021-06-18 06:54:01 s 1 -60654.762 0 +396807.08 7370.0 C57
2021-06-18 07:04:01 S 16 16 55.128 -33 21 42.66 V C57
2021-06-18 07:04:01 s 1 -61000.482 0 +396684.04 6170.0 C57
2021-06-18 07:24:01 S 16 16 54.103 -33 21 25.70 V C57
2021-06-18 07:24:01 s 1 -61691.487 0 +396435.33 2170.0 C57
2021-06-18 07:34:01 S 16 16 53.062 -33 21 17.64 V C57
2021-06-18 07:34:01 s 1 -62036.771 0 +396309.67 9380.0 C57
2021-06-18 07:54:01 S 16 16 52.238 -33 20 56.54 V C57
2021-06-18 07:54:01 s 1 -62726.897 0 +396055.73 2180.0 C57
2021-06-18 08:04:01 S 16 16 51.612 -33 20 45.06 V C57
2021-06-18 08:04:01 s 1 -63071.737 0 +395927.45 7770.0 C57
2021-06-18 08:14:01 S 16 16 51.144 -33 20 32.32 V C57
2021-06-18 08:14:01 s 1 -63416.428 0 +395798.30 2820.0 C57
2021-06-18 08:24:01 S 16 16 50.201 -33 20 22.34 V C57
2021-06-18 08:24:01 s 1 -63760.969 0 +395668.27 7320.0 C57
2021-06-18 08:34:01 S 16 16 49.817 -33 20 13.34 V C57
2021-06-18 08:34:01 s 1 -64105.358 0 +395537.38 1280.0 C57
2021-06-18 08:54:01 S 16 16 48.343 -33 19 52.03 V C57