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
2021-06-06 09:43:15 C 16 50 07.95 -40 25 49.2 V T08
2021-06-06 12:14:01 S 16 51 01.426 -40 14 54.13 V C57
2021-06-06 12:14:01 s 1 -179075.92 5 +274275.72 6640.0 C57
2021-06-06 12:24:01 S 16 50 59.602 -40 14 37.57 V C57
2021-06-06 12:24:01 s 1 -179277.15 9 +273772.85 8110.0 C57
2021-06-06 12:34:01 S 16 50 57.674 -40 14 19.14 V C57
2021-06-06 12:34:01 s 1 -179477.68 5 +273268.90 7500.0 C57
2021-06-06 12:44:01 S 16 50 56.040 -40 14 03.37 V C57
2021-06-06 12:44:01 s 1 -179677.50 0 +272763.87 4820.0 C57
2021-06-06 12:54:01 S 16 50 53.988 -40 13 47.71 V C57
2021-06-06 12:54:01 s 1 -179876.60 1 +272257.76 50.0 C57
2021-06-06 13:04:01 S 16 50 52.034 -40 13 30.72 V C57
2021-06-06 13:04:01 s 1 -180074.98 5 +271750.56 3190.0 C57
2021-06-06 13:14:01 S 16 50 50.011 -40 13 12.76 V C57
2021-06-06 13:14:01 s 1 -180272.65 0 +271242.28 4230.0 C57
2021-06-06 13:24:01 S 16 50 48.247 -40 12 56.81 V C57
2021-06-06 13:24:01 s 1 -180469.59 3 +270732.91 3150.0 C57
2021-06-06 13:34:01 S 16 50 46.430 -40 12 40.79 V C57
2021-06-06 13:34:01 s 1 -180665.81 1 +270222.46 9960.0 C57
2021-06-06 13:44:01 S 16 50 44.621 -40 12 23.18 V C57
2021-06-06 13:44:01 s 1 -180861.30 2 +269710.92 4650.0 C57
2021-06-06 13:54:01 S 16 50 42.634 -40 12 06.19 V C57
2021-06-06 13:54:01 s 1 -181056.06 2 +269198.29 7200.0 C57
2021-06-06 14:04:01 S 16 50 40.771 -40 11 47.90 V C57
2021-06-06 14:04:01 s 1 -181250.08 8 +268684.57 7610.0 C57
2021-06-06 14:14:01 S 16 50 38.839 -40 11 32.86 V C57
2021-06-06 14:14:01 s 1 -181443.37 9 +268169.76 5870.0 C57
2021-06-06 14:24:01 S 16 50 36.946 -40 11 13.92 V C57
2021-06-06 14:24:01 s 1 -181635.93 0 +267653.86 1980.0 C57
2021-06-06 14:44:01 S 16 50 33.204 -40 10 41.84 V C57
2021-06-06 14:44:01 s 1 -182018.80 4 +266618.79 7690.0 C57
2021-06-06 14:54:01 S 16 50 31.222 -40 10 22.91 V C57
2021-06-06 14:54:01 s 1 -182209.12 1 +266099.61 7290.0 C57
2021-06-06 15:04:01 S 16 50 29.417 -40 10 06.64 V C57
2021-06-06 15:04:01 s 1 -182398.68 7 +265579.33 4690.0 C57
2021-06-06 15:14:01 S 16 50 27.494 -40 09 51.44 V C57
2021-06-06 15:14:01 s 1 -182587.50 0 +265057.96 9900.0 C57
2021-06-06 15:24:01 S 16 50 25.582 -40 09 33.62 V C57
2021-06-06 15:24:01 s 1 -182775.55 6 +264535.50 2910.0 C57
2021-06-06 15:34:01 S 16 50 23.654 -40 09 16.70 V C57
2021-06-06 15:34:01 s 1 -182962.85 3 +264011.93 3700.0 C57
2021-06-06 15:44:01 S 16 50 21.924 -40 09 00.54 V C57
2021-06-06 15:44:01 s 1 -183149.38 7 +263487.26 2280.0 C57
2021-06-06 15:54:01 S 16 50 19.975 -40 08 42.07 V C57
2021-06-06 15:54:01 s 1 -183335.15 5 +262961.50 8630.0 C57
2021-06-06 16:04:01 S 16 50 18.067 -40 08 25.66 V C57
2021-06-06 16:04:01 s 1 -183520.15 6 +262434.63 2740.0 C57
2021-06-06 16:14:01 S 16 50 16.346 -40 08 10.97 V C57
2021-06-06 16:14:01 s 1 -183704.38 4 +261906.66 4600.0 C57
2021-06-06 16:24:01 S 16 50 14.378 -40 07 51.49 V C57