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
2021-06-12 10:14:01 s 1 +185212.85 0 +166217.81 9050.0 C57
2021-06-12 10:24:01 S 16 28 11.136 -36 17 38.94 V C57
2021-06-12 10:24:01 s 1 +185173.79 9 +166967.70 3880.0 C57
2021-06-12 10:34:01 S 16 28 10.462 -36 17 28.28 V C57
2021-06-12 10:34:01 s 1 +185133.10 7 +167716.12 4680.0 C57
2021-06-12 10:44:01 S 16 28 09.482 -36 17 12.80 V C57
2021-06-12 10:44:01 s 1 +185090.78 5 +168463.06 1470.0 C57
2021-06-12 10:54:01 S 16 28 08.064 -36 16 57.50 V C57
2021-06-12 10:54:01 s 1 +185046.84 1 +169208.54 4290.0 C57
2021-06-12 11:04:01 S 16 28 07.212 -36 16 40.33 V C57
2021-06-12 11:04:01 s 1 +185001.28 4 +169952.54 3140.0 C57
2021-06-12 11:34:01 S 16 28 04.190 -36 15 54.94 V C57
2021-06-12 11:34:01 s 1 +184855.02 7 +172175.75 6200.0 C57
2021-06-12 11:44:01 S 16 28 03.062 -36 15 40.03 V C57
2021-06-12 11:44:01 s 1 +184803.10 9 +172913.90 9460.0 C57
2021-06-12 11:54:01 S 16 28 02.100 -36 15 25.24 V C57
2021-06-12 11:54:01 s 1 +184749.62 3 +173650.58 8880.0 C57
2021-06-12 12:04:01 S 16 28 00.958 -36 15 09.97 V C57
2021-06-12 12:04:01 s 1 +184694.57 6 +174385.80 4480.0 C57
2021-06-12 12:14:01 S 16 27 59.863 -36 14 54.53 V C57
2021-06-12 12:14:01 s 1 +184637.97 9 +175119.56 6270.0 C57
2021-06-12 12:24:01 S 16 27 59.026 -36 14 39.08 V C57
2021-06-12 12:24:01 s 1 +184579.83 9 +175851.86 4300.0 C57
2021-06-12 12:34:01 S 16 27 57.809 -36 14 20.65 V C57
2021-06-12 12:34:01 s 1 +184520.16 5 +176582.71 8560.0 C57
2021-06-12 12:44:01 S 16 27 56.806 -36 14 08.77 V C57
2021-06-12 12:44:01 s 1 +184458.96 6 +177312.10 9100.0 C57
2021-06-12 12:54:01 S 16 27 55.766 -36 13 52.14 V C57
2021-06-12 12:54:01 s 1 +184396.24 9 +178040.04 5920.0 C57
2021-06-12 13:04:01 S 16 27 54.943 -36 13 38.10 V C57
2021-06-12 13:04:01 s 1 +184332.02 3 +178766.53 9060.0 C57
2021-06-12 13:14:01 S 16 27 53.772 -36 13 24.35 V C57
2021-06-12 13:14:01 s 1 +184266.29 6 +179491.57 8520.0 C57
2021-06-12 13:24:01 S 16 27 52.793 -36 13 07.28 V C57
2021-06-12 13:24:01 s 1 +184199.07 7 +180215.16 4340.0 C57
2021-06-12 13:34:01 S 16 27 51.694 -36 12 54.07 V C57
2021-06-12 13:34:01 s 1 +184130.37 3 +180937.31 6530.0 C57
2021-06-12 13:44:01 S 16 27 50.707 -36 12 37.94 V C57
2021-06-12 13:44:01 s 1 +184060.19 3 +181658.01 5120.0 C57
2021-06-12 13:54:01 S 16 27 49.867 -36 12 18.94 V C57
2021-06-12 13:54:01 s 1 +183988.54 5 +182377.26 120.0 C57
2021-06-12 14:04:01 S 16 27 48.672 -36 12 05.26 V C57
2021-06-12 14:04:01 s 1 +183915.43 6 +183095.08 1560.0 C57
2021-06-12 14:14:01 S 16 27 47.753 -36 11 48.91 V C57
2021-06-12 14:14:01 s 1 +183840.87 4 +183811.45 9450.0 C57
2021-06-12 14:24:01 S 16 27 46.716 -36 11 36.17 V C57
2021-06-12 14:24:01 s 1 +183764.86 7 +184526.39 3820.0 C57
2021-06-12 14:34:01 S 16 27 45.840 -36 11 20.08 V C57
2021-06-12 14:34:01 s 1 +183687.42 4 +185239.88 4690.0 C57
2021-06-12 14:44:01 S 16 27 44.794 -36 11 05.82 V C57