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 13:14:01 s 1 +49289.407 0 +392365.20 2450.0 C57
2021-06-01 13:24:01 S 17 18 13.272 -44 03 05.11 V C57
2021-06-01 13:24:01 s 1 +48939.500 0 +392516.13 8750.0 C57
2021-06-01 13:34:02 S 17 18 10.534 -44 02 43.26 V C57
2021-06-01 13:34:02 s 1 +48589.475 0 +392666.15 4890.0 C57
2021-06-01 13:44:01 S 17 18 07.584 -44 02 21.77 V C57
2021-06-01 13:44:01 s 1 +48239.334 0 +392815.28 860.0 C57
2021-06-01 13:54:02 S 17 18 04.754 -44 01 59.99 V C57
2021-06-01 13:54:02 s 1 +47889.077 0 +392963.50 6680.0 C57
2021-06-01 14:04:01 S 17 18 02.047 -44 01 38.71 V C57
2021-06-01 14:04:01 s 1 +47538.705 0 +393110.82 2330.0 C57
2021-06-01 14:14:01 S 17 17 59.225 -44 01 16.68 V C57
2021-06-01 14:14:01 s 1 +47188.218 0 +393257.24 7830.0 C57
2021-06-01 14:24:01 S 17 17 56.318 -44 00 55.55 V C57
2021-06-01 14:24:01 s 1 +46837.619 0 +393402.76 3170.0 C57
2021-06-01 14:34:01 S 17 17 53.590 -44 00 32.69 V C57
2021-06-01 14:34:01 s 1 +46486.907 0 +393547.38 8370.0 C57
2021-06-01 14:44:01 S 17 17 50.820 -44 00 12.60 V C57
2021-06-01 14:44:01 s 1 +46136.084 0 +393691.10 3410.0 C57
2021-06-01 14:54:01 S 17 17 48.182 -43 59 50.57 V C57
2021-06-01 14:54:01 s 1 +45785.151 0 +393833.92 8300.0 C57
2021-06-01 15:04:02 S 17 17 45.221 -43 59 29.33 V C57
2021-06-01 15:04:02 s 1 +45434.108 0 +393975.85 3050.0 C57
2021-06-01 15:14:01 S 17 17 42.559 -43 59 07.76 V C57
2021-06-01 15:14:01 s 1 +45082.956 0 +394116.87 7660.0 C57
2021-06-01 15:24:02 S 17 17 39.715 -43 58 46.45 V C57
2021-06-01 15:24:02 s 1 +44731.696 0 +394257.00 2130.0 C57
2021-06-01 15:34:01 S 17 17 36.972 -43 58 25.18 V C57
2021-06-01 15:34:01 s 1 +44380.330 0 +394396.23 6460.0 C57
2021-06-01 15:44:01 S 17 17 34.277 -43 58 04.51 V C57
2021-06-01 15:44:01 s 1 +44028.857 0 +394534.56 650.0 C57
2021-06-01 16:04:01 S 17 17 28.526 -43 57 20.48 V C57
2021-06-01 16:04:01 s 1 +43325.597 0 +394808.53 8630.0 C57
2021-06-01 16:14:01 S 17 17 25.838 -43 56 58.81 V C57
2021-06-01 16:14:01 s 1 +42973.812 0 +394944.17 2430.0 C57
2021-06-01 16:24:01 S 17 17 23.088 -43 56 38.08 V C57
2021-06-01 16:24:01 s 1 +42621.924 0 +395078.92 6100.0 C57
2021-06-01 16:34:02 S 17 17 20.366 -43 56 17.09 V C57
2021-06-01 16:34:02 s 1 +42269.934 0 +395212.76 9640.0 C57
2021-06-01 16:44:01 S 17 17 17.489 -43 55 53.76 V C57
2021-06-01 16:44:01 s 1 +41917.844 0 +395345.72 3060.0 C57
2021-06-01 16:54:01 S 17 17 14.719 -43 55 31.91 V C57
2021-06-01 16:54:01 s 1 +41565.654 0 +395477.78 6360.0 C57
2021-06-01 17:04:01 S 17 17 11.981 -43 55 10.13 V C57
2021-06-01 17:04:01 s 1 +41213.364 0 +395608.94 9550.0 C57
2021-06-01 17:14:01 S 17 17 09.264 -43 54 49.28 V C57
2021-06-01 17:14:01 s 1 +40860.977 0 +395739.21 2610.0 C57
2021-06-01 17:24:01 S 17 17 06.533 -43 54 28.66 V C57
2021-06-01 17:24:01 s 1 +40508.492 0 +395868.59 5570.0 C57
2021-06-01 17:34:01 S 17 17 03.830 -43 54 07.42 V C57