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
2021-06-07 02:04:01 s 1 -193090.46 5 +228768.29 2160.0 C57
2021-06-07 02:14:01 S 16 48 24.977 -39 51 24.62 V C57
2021-06-07 02:14:01 s 1 -193222.24 1 +228172.27 2640.0 C57
2021-06-07 02:24:01 S 16 48 23.294 -39 51 11.20 V C57
2021-06-07 02:24:01 s 1 -193353.02 8 +227575.09 280.0 C57
2021-06-07 02:34:01 S 16 48 21.353 -39 50 53.02 V C57
2021-06-07 02:34:01 s 1 -193482.82 2 +226976.74 5070.0 C57
2021-06-07 02:44:01 S 16 48 19.428 -39 50 39.19 V C57
2021-06-07 02:44:01 s 1 -193611.61 9 +226377.22 7010.0 C57
2021-06-07 02:54:01 S 16 48 17.486 -39 50 18.89 V C57
2021-06-07 02:54:01 s 1 -193739.41 4 +225776.54 6080.0 C57
2021-06-07 03:04:01 S 16 48 15.902 -39 50 04.92 V C57
2021-06-07 03:04:01 s 1 -193866.20 4 +225174.68 2280.0 C57
2021-06-07 03:14:01 S 16 48 14.035 -39 49 48.04 V C57
2021-06-07 03:14:01 s 1 -193991.98 4 +224571.64 5580.0 C57
2021-06-07 03:34:01 S 16 48 10.507 -39 49 16.36 V C57
2021-06-07 03:34:01 s 1 -194240.49 6 +223362.06 3460.0 C57
2021-06-07 04:14:01 S 16 48 02.993 -39 48 08.75 V C57
2021-06-07 04:14:01 s 1 -194725.20 8 +220928.77 4020.0 C57
2021-06-07 04:24:01 S 16 48 01.152 -39 47 52.69 V C57
2021-06-07 04:24:01 s 1 -194843.79 5 +220317.50 6750.0 C57
2021-06-07 04:34:01 S 16 47 59.383 -39 47 37.79 V C57
2021-06-07 04:34:01 s 1 -194961.33 7 +219705.05 6500.0 C57
2021-06-07 04:44:01 S 16 47 57.646 -39 47 20.08 V C57
2021-06-07 04:44:01 s 1 -195077.82 9 +219091.41 3250.0 C57
2021-06-07 04:54:01 S 16 47 55.598 -39 47 03.05 V C57
2021-06-07 04:54:01 s 1 -195193.26 7 +218476.60 6990.0 C57
2021-06-07 05:04:01 S 16 47 53.806 -39 46 47.10 V C57
2021-06-07 05:04:01 s 1 -195307.64 6 +217860.59 7710.0 C57
2021-06-07 05:24:01 S 16 47 50.297 -39 46 13.66 V C57
2021-06-07 05:24:01 s 1 -195533.21 0 +216625.03 20.0 C57
2021-06-07 05:34:01 S 16 47 48.427 -39 45 57.35 V C57
2021-06-07 05:34:01 s 1 -195644.38 4 +216005.47 1590.0 C57
2021-06-07 05:44:01 S 16 47 46.838 -39 45 40.39 V C57
2021-06-07 05:44:01 s 1 -195754.48 2 +215384.72 90.0 C57
2021-06-07 06:04:01 S 16 47 42.852 -39 45 06.98 V C57
2021-06-07 06:04:01 s 1 -195971.42 5 +214139.65 7820.0 C57
2021-06-07 06:14:01 S 16 47 41.134 -39 44 51.07 V C57
2021-06-07 06:14:01 s 1 -196078.26 2 +213515.32 7030.0 C57
2021-06-07 06:24:01 S 16 47 39.480 -39 44 35.52 V C57
2021-06-07 06:24:01 s 1 -196184.00 2 +212889.80 3110.0 C57
2021-06-07 06:34:01 S 16 47 37.514 -39 44 17.48 V C57
2021-06-07 06:34:01 s 1 -196288.64 1 +212263.09 6050.0 C57
2021-06-07 06:44:01 S 16 47 35.772 -39 44 02.18 V C57
2021-06-07 06:44:01 s 1 -196392.17 4 +211635.18 5850.0 C57
2021-06-07 06:54:01 S 16 47 33.967 -39 43 46.60 V C57
2021-06-07 06:54:01 s 1 -196494.59 5 +211006.08 2480.0 C57
2021-06-07 07:04:01 S 16 47 32.117 -39 43 28.09 V C57
2021-06-07 07:04:01 s 1 -196595.90 1 +210375.77 5930.0 C57
2021-06-07 07:24:01 S 16 47 28.238 -39 42 55.76 V C57