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
2021-06-03 10:24:01 s 1 -47106.132 0 +401065.82 8500.0 C57
2021-06-04 03:04:01 S 17 02 46.939 -41 57 51.16 V C57
2021-06-04 03:04:01 s 1 -81655.632 0 +388157.84 410.0 C57
2021-06-04 03:14:01 S 17 02 44.690 -41 57 31.18 V C57
2021-06-04 03:14:01 s 1 -81993.286 0 +387984.53 120.0 C57
2021-06-04 03:24:01 S 17 02 42.370 -41 57 12.82 V C57
2021-06-04 03:24:01 s 1 -82330.754 0 +387810.34 9190.0 C57
2021-06-04 03:34:01 S 17 02 40.130 -41 56 55.10 V C57
2021-06-04 03:34:01 s 1 -82668.037 0 +387635.26 7630.0 C57
2021-06-04 03:44:01 S 17 02 37.942 -41 56 36.02 V C57
2021-06-04 03:44:01 s 1 -83005.133 0 +387459.30 5430.0 C57
2021-06-04 03:54:01 S 17 02 35.664 -41 56 16.12 V C57
2021-06-04 03:54:01 s 1 -83342.041 0 +387282.46 2580.0 C57
2021-06-04 04:04:01 S 17 02 33.408 -41 55 55.70 V C57
2021-06-04 04:04:01 s 1 -83678.760 0 +387104.73 9100.0 C57
2021-06-04 04:14:01 S 17 02 31.306 -41 55 37.74 V C57
2021-06-04 04:14:01 s 1 -84015.289 0 +386926.12 4960.0 C57
2021-06-04 04:44:01 S 17 02 24.456 -41 54 39.10 V C57
2021-06-04 04:44:01 s 1 -85023.730 0 +386384.98 8650.0 C57
2021-06-04 04:54:01 S 17 02 22.241 -41 54 20.74 V C57
2021-06-04 04:54:01 s 1 -85359.492 0 +386202.83 1910.0 C57
2021-06-04 05:04:01 S 17 02 20.054 -41 54 03.60 V C57
2021-06-04 05:04:01 s 1 -85695.059 0 +386019.80 4500.0 C57
2021-06-04 05:14:01 S 17 02 17.834 -41 53 44.77 V C57
2021-06-04 05:14:01 s 1 -86030.431 0 +385835.88 6430.0 C57
2021-06-04 05:24:01 S 17 02 15.463 -41 53 24.65 V C57
2021-06-04 05:24:01 s 1 -86365.607 0 +385651.07 7700.0 C57
2021-06-04 05:34:01 S 17 02 13.342 -41 53 04.88 V C57
2021-06-04 05:34:01 s 1 -86700.585 0 +385465.38 8300.0 C57
2021-06-04 05:44:01 S 17 02 11.110 -41 52 48.25 V C57
2021-06-04 05:44:01 s 1 -87035.366 0 +385278.80 8230.0 C57
2021-06-04 05:54:01 S 17 02 08.947 -41 52 27.73 V C57
2021-06-04 05:54:01 s 1 -87369.948 0 +385091.34 7490.0 C57
2021-06-04 06:04:01 S 17 02 06.641 -41 52 07.54 V C57
2021-06-04 06:04:01 s 1 -87704.330 0 +384902.99 6070.0 C57
2021-06-04 06:14:01 S 17 02 04.445 -41 51 48.92 V C57
2021-06-04 06:14:01 s 1 -88038.511 0 +384713.75 3980.0 C57
2021-06-04 06:24:01 S 17 02 02.246 -41 51 31.39 V C57
2021-06-04 06:24:01 s 1 -88372.490 0 +384523.62 1210.0 C57
2021-06-04 06:34:01 S 17 02 00.029 -41 51 12.85 V C57
2021-06-04 06:34:01 s 1 -88706.266 0 +384332.61 7750.0 C57
2021-06-04 06:44:01 S 17 01 57.828 -41 50 52.48 V C57
2021-06-04 06:44:01 s 1 -89039.839 0 +384140.71 3610.0 C57
2021-06-04 06:54:01 S 17 01 55.474 -41 50 33.40 V C57
2021-06-04 06:54:01 s 1 -89373.207 0 +383947.92 8780.0 C57
2021-06-04 07:04:01 S 17 01 53.268 -41 50 14.89 V C57
2021-06-04 07:04:01 s 1 -89706.370 0 +383754.24 3260.0 C57
2021-06-04 07:14:01 S 17 01 51.182 -41 49 56.93 V C57
2021-06-04 07:14:01 s 1 -90039.326 0 +383559.67 7050.0 C57
2021-06-04 07:24:01 S 17 01 48.914 -41 49 37.38 V C57