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
2021-06-14 20:04:01 S 16 22 53.844 -34 56 51.22 V C57
2021-06-14 20:04:01 s 1 +112153.11 0 +348634.16 8280.0 C57
2021-06-14 20:14:01 S 16 22 53.179 -34 56 43.12 V C57
2021-06-14 20:14:01 s 1 +111840.58 2 +348961.66 1040.0 C57
2021-06-14 20:24:01 S 16 22 52.529 -34 56 28.21 V C57
2021-06-14 20:24:01 s 1 +111527.72 9 +349288.15 3120.0 C57
2021-06-14 20:34:01 S 16 22 51.370 -34 56 14.68 V C57
2021-06-14 20:34:01 s 1 +111214.55 2 +349613.63 4530.0 C57
2021-06-14 20:44:01 S 16 22 50.719 -34 56 00.13 V C57
2021-06-14 20:44:01 s 1 +110901.05 2 +349938.10 5260.0 C57
2021-06-14 20:54:01 S 16 22 49.918 -34 55 50.12 V C57
2021-06-14 20:54:01 s 1 +110587.23 2 +350261.55 5330.0 C57
2021-06-14 21:04:01 S 16 22 48.866 -34 55 39.65 V C57
2021-06-14 21:04:01 s 1 +110273.09 2 +350583.99 4730.0 C57
2021-06-14 21:24:01 S 16 22 47.266 -34 55 13.62 V C57
2021-06-14 21:24:01 s 1 +109643.85 9 +351225.84 1550.0 C57
2021-06-14 21:34:01 S 16 22 46.673 -34 54 59.80 V C57
2021-06-14 21:34:01 s 1 +109328.77 0 +351545.25 8980.0 C57
2021-06-14 21:44:01 S 16 22 45.914 -34 54 47.16 V C57
2021-06-14 21:44:01 s 1 +109013.36 7 +351863.65 5760.0 C57
2021-06-14 21:54:01 S 16 22 45.142 -34 54 33.48 V C57
2021-06-14 21:54:01 s 1 +108697.65 1 +352181.04 1890.0 C57
2021-06-14 22:04:01 S 16 22 44.081 -34 54 20.30 V C57
2021-06-14 22:04:01 s 1 +108381.62 5 +352497.43 7380.0 C57
2021-06-14 22:14:01 S 16 22 43.126 -34 54 10.37 V C57
2021-06-14 22:14:01 s 1 +108065.29 0 +352812.81 2230.0 C57
2021-06-14 22:24:01 S 16 22 42.502 -34 53 52.73 V C57
2021-06-14 22:24:01 s 1 +107748.64 7 +353127.19 6450.0 C57
2021-06-14 22:34:01 S 16 22 41.750 -34 53 42.07 V C57
2021-06-14 22:34:01 s 1 +107431.69 7 +353440.56 30.0 C57
2021-06-14 22:44:01 S 16 22 40.961 -34 53 33.18 V C57
2021-06-14 22:44:01 s 1 +107114.44 3 +353752.93 2980.0 C57
2021-06-14 22:54:01 S 16 22 40.085 -34 53 16.26 V C57
2021-06-14 22:54:01 s 1 +106796.88 4 +354064.29 5310.0 C57
2021-06-14 23:04:01 S 16 22 39.211 -34 53 03.70 V C57
2021-06-14 23:04:01 s 1 +106479.02 4 +354374.66 7020.0 C57
2021-06-14 23:14:01 S 16 22 38.424 -34 52 52.68 V C57
2021-06-14 23:14:01 s 1 +106160.86 3 +354684.02 8110.0 C57
2021-06-14 23:24:01 S 16 22 37.694 -34 52 40.01 V C57
2021-06-14 23:24:01 s 1 +105842.40 3 +354992.38 8580.0 C57
2021-06-14 23:34:01 S 16 22 36.869 -34 52 27.34 V C57
2021-06-14 23:34:01 s 1 +105523.64 4 +355299.74 8440.0 C57
2021-06-14 23:44:01 S 16 22 35.846 -34 52 12.11 V C57
2021-06-14 23:44:01 s 1 +105204.58 9 +355606.10 7700.0 C57
2021-06-14 23:54:01 S 16 22 35.503 -34 52 05.23 V C57
2021-06-14 23:54:01 s 1 +104885.23 9 +355911.46 6350.0 C57
2021-06-15 00:14:01 S 16 22 33.696 -34 51 36.58 V C57
2021-06-15 00:14:01 s 1 +104245.66 0 +356519.19 1860.0 C57
2021-06-15 01:54:01 S 16 22 25.474 -34 49 28.06 V C57
2021-06-15 01:54:01 s 1 +101030.51 9 +359498.18 4350.0 C57