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
2021-06-07 11:34:01 s 1 -198890.57 8 +192900.86 7960.0 C57
2021-06-07 11:44:01 S 16 46 41.498 -39 35 51.40 V C57
2021-06-07 11:44:01 s 1 -198958.52 0 +192236.58 6770.0 C57
2021-06-07 11:54:01 S 16 46 39.648 -39 35 36.60 V C57
2021-06-07 11:54:01 s 1 -199025.18 9 +191571.07 1990.0 C57
2021-06-07 12:04:01 S 16 46 37.853 -39 35 20.72 V C57
2021-06-07 12:04:01 s 1 -199090.58 1 +190904.33 3600.0 C57
2021-06-07 12:34:01 S 16 46 32.522 -39 34 30.72 V C57
2021-06-07 12:34:01 s 1 -199279.02 8 +188896.72 6580.0 C57
2021-06-07 13:04:01 S 16 46 26.981 -39 33 43.81 V C57
2021-06-07 13:04:01 s 1 -199452.82 0 +186867.73 6090.0 C57
2021-06-07 13:14:01 S 16 46 25.430 -39 33 26.78 V C57
2021-06-07 13:14:01 s 1 -199509.24 2 +186192.90 4140.0 C57
2021-06-07 13:24:01 S 16 46 23.467 -39 33 10.84 V C57
2021-06-07 13:24:01 s 1 -199564.17 6 +185516.26 6210.0 C57
2021-06-07 13:34:01 S 16 46 21.792 -39 32 54.13 V C57
2021-06-07 13:34:01 s 1 -199617.77 6 +184838.38 4520.0 C57
2021-06-07 13:44:01 S 16 46 20.134 -39 32 40.96 V C57
2021-06-07 13:44:01 s 1 -199670.03 7 +184159.26 9050.0 C57
2021-06-07 15:04:01 S 16 46 05.662 -39 30 29.66 V C57
2021-06-07 15:04:01 s 1 -200039.13 7 +178681.54 7320.0 C57
2021-06-07 15:24:01 S 16 46 01.970 -39 29 54.38 V C57
2021-06-07 15:24:01 s 1 -200117.56 5 +177299.65 2910.0 C57
2021-06-07 15:34:01 S 16 46 00.254 -39 29 39.16 V C57
2021-06-07 15:34:01 s 1 -200154.66 5 +176606.82 4770.0 C57
2021-06-07 15:44:01 S 16 45 58.349 -39 29 23.03 V C57
2021-06-07 15:44:01 s 1 -200190.34 7 +175912.75 2630.0 C57
2021-06-07 15:54:01 S 16 45 56.698 -39 29 06.29 V C57
2021-06-07 15:54:01 s 1 -200224.60 3 +175217.42 6490.0 C57
2021-06-07 16:04:01 S 16 45 54.408 -39 28 47.89 V C57
2021-06-07 16:04:01 s 1 -200257.42 7 +174520.84 6330.0 C57
2021-06-07 17:24:01 S 16 45 40.591 -39 26 41.24 V C57
2021-06-07 17:24:01 s 1 -200467.62 1 +168902.96 7890.0 C57
2021-06-07 17:34:01 S 16 45 38.686 -39 26 26.30 V C57
2021-06-07 17:34:01 s 1 -200487.23 7 +168195.06 660.0 C57
2021-06-07 17:44:01 S 16 45 37.025 -39 26 10.21 V C57
2021-06-07 17:44:01 s 1 -200505.34 9 +167485.90 9210.0 C57
2021-06-07 17:54:01 S 16 45 35.184 -39 25 54.26 V C57
2021-06-07 17:54:01 s 1 -200521.95 0 +166775.47 3530.0 C57
2021-06-07 18:04:01 S 16 45 33.506 -39 25 40.04 V C57
2021-06-07 18:04:01 s 1 -200537.03 2 +166063.78 3590.0 C57
2021-06-07 18:14:01 S 16 45 31.570 -39 25 22.33 V C57
2021-06-07 18:14:01 s 1 -200550.58 8 +165350.83 9370.0 C57
2021-06-07 18:24:01 S 16 45 29.772 -39 25 05.77 V C57
2021-06-07 18:24:01 s 1 -200562.61 0 +164636.61 860.0 C57
2021-06-07 18:34:01 S 16 45 28.008 -39 24 51.26 V C57
2021-06-07 18:34:01 s 1 -200573.09 0 +163921.13 8040.0 C57
2021-06-07 19:04:01 S 16 45 22.740 -39 24 01.48 V C57
2021-06-07 19:04:01 s 1 -200595.20 2 +161767.07 3460.0 C57
2021-06-07 19:14:01 S 16 45 21.060 -39 23 46.61 V C57