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
2021-05-27 08:04:02 s 1 +121873.57 2 -31002.400 9190.0 C57
2021-05-27 08:14:02 S 18 05 30.310 -49 09 11.63 V C57
2021-05-27 08:14:02 s 1 +122689.61 7 -30036.395 1160.0 C57
2021-05-27 08:34:02 S 18 05 20.047 -49 08 21.55 V C57
2021-05-27 08:34:02 s 1 +124297.69 0 -28098.575 5140.0 C57
2021-05-27 08:54:02 S 18 05 09.434 -49 07 36.19 V C57
2021-05-27 08:54:02 s 1 +125874.11 0 -26153.591 200.0 C57
2021-05-27 09:34:02 S 18 04 47.791 -49 05 37.36 V C57
2021-05-27 09:34:02 s 1 +128933.79 0 -22244.783 8380.0 C57
2021-05-27 09:44:02 S 18 04 42.497 -49 05 11.08 V C57
2021-05-27 09:44:02 s 1 +129679.63 0 -21264.115 5490.0 C57
2021-05-27 09:54:02 S 18 04 37.363 -49 04 43.97 V C57
2021-05-27 09:54:02 s 1 +130417.95 0 -20282.212 3930.0 C57
2021-05-27 10:04:02 S 18 04 31.884 -49 04 18.44 V C57
2021-05-27 10:04:02 s 1 +131148.80 8 -19299.146 3840.0 C57
2021-05-27 10:14:02 S 18 04 26.714 -49 03 49.00 V C57
2021-05-27 10:14:02 s 1 +131872.25 8 -18314.987 5380.0 C57
2021-05-27 10:24:02 S 18 04 21.223 -49 03 20.48 V C57
2021-05-27 10:24:02 s 1 +132588.35 8 -17329.804 8700.0 C57
2021-05-27 10:34:02 S 18 04 16.481 -49 02 56.18 V C57
2021-05-27 10:34:02 s 1 +133297.16 4 -16343.664 3950.0 C57
2021-05-27 10:44:02 S 18 04 10.418 -49 02 25.30 V C57
2021-05-27 10:44:02 s 1 +133998.73 1 -15356.634 1270.0 C57
2021-05-27 10:54:02 S 18 04 05.455 -49 02 00.06 V C57
2021-05-27 10:54:02 s 1 +134693.11 6 -14368.778 810.0 C57
2021-05-27 11:04:02 S 18 04 00.358 -49 01 34.00 V C57
2021-05-27 11:04:02 s 1 +135380.37 4 -13380.158 2720.0 C57
2021-05-27 11:14:02 S 18 03 55.236 -49 01 05.34 V C57
2021-05-27 11:14:02 s 1 +136060.56 1 -12390.836 7150.0 C57
2021-05-27 11:24:02 S 18 03 49.882 -49 00 38.34 V C57
2021-05-27 11:24:02 s 1 +136733.73 2 -11400.871 4240.0 C57
2021-05-27 11:34:02 S 18 03 44.390 -49 00 11.84 V C57
2021-05-27 11:34:02 s 1 +137399.94 2 -10410.322 4130.0 C57
2021-05-27 11:44:02 S 18 03 39.396 -48 59 44.52 V C57
2021-05-27 11:44:02 s 1 +138059.24 6 - 9419.246 6980.0 C57
2021-05-27 11:54:02 S 18 03 34.020 -48 59 16.76 V C57
2021-05-27 11:54:02 s 1 +138711.70 0 - 8427.699 2920.0 C57
2021-05-27 12:04:02 S 18 03 28.937 -48 58 51.38 V C57
2021-05-27 12:04:02 s 1 +139357.35 6 - 7435.735 2100.0 C57
2021-05-27 12:14:02 S 18 03 23.837 -48 58 23.59 V C57
2021-05-27 12:14:02 s 1 +139996.27 0 - 6443.407 4660.0 C57
2021-05-27 12:24:02 S 18 03 18.461 -48 57 55.84 V C57
2021-05-27 12:24:02 s 1 +140628.49 6 - 5450.768 730.0 C57
2021-05-27 12:34:02 S 18 03 13.404 -48 57 29.30 V C57
2021-05-27 12:34:02 s 1 +141254.08 7 - 4457.867 470.0 C57
2021-05-27 12:44:02 S 18 03 08.311 -48 57 02.12 V C57
2021-05-27 12:44:02 s 1 +141873.09 6 - 3464.754 4010.0 C57
2021-05-27 12:54:02 S 18 03 02.911 -48 56 33.72 V C57
2021-05-27 12:54:02 s 1 +142485.57 6 - 2471.477 1480.0 C57
2021-05-27 13:04:02 S 18 02 58.044 -48 56 07.48 V C57