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
2021-05-31 10:54:02 s 1 +102435.70 6 +356888.48 5740.0 C57
2021-05-31 11:04:02 S 17 25 59.568 -45 01 26.00 V C57
2021-05-31 11:04:02 s 1 +102117.12 8 +357187.87 9790.0 C57
2021-05-31 11:14:02 S 17 25 56.410 -45 01 03.97 V C57
2021-05-31 11:14:02 s 1 +101798.26 1 +357486.28 3250.0 C57
2021-05-31 11:24:01 S 17 25 53.450 -45 00 41.00 V C57
2021-05-31 11:24:01 s 1 +101479.10 7 +357783.70 6130.0 C57
2021-05-31 11:33:51 C 17 26 10.51 -45 21 39.2 V T05
2021-05-31 11:34:02 S 17 25 50.218 -45 00 17.21 V C57
2021-05-31 11:34:02 s 1 +101159.66 5 +358080.13 8430.0 C57
2021-05-31 11:37:48 C 17 26 09.16 -45 21 30.2 V T05
2021-05-31 11:38:27 C 17 26 08.93 -45 21 28.8 V T05
2021-05-31 11:44:01 S 17 25 47.191 -44 59 53.95 V C57
2021-05-31 11:44:01 s 1 +100839.93 9 +358375.58 150.0 C57
2021-05-31 11:52:30 C 17 26 04.14 -45 20 56.8 V T05
2021-05-31 11:54:02 S 17 25 44.002 -44 59 31.85 V C57
2021-05-31 11:54:02 s 1 +100519.92 9 +358670.05 1290.0 C57
2021-05-31 12:04:02 S 17 25 40.970 -44 59 09.56 V C57
2021-05-31 12:04:02 s 1 +100199.63 6 +358963.53 1860.0 C57
2021-05-31 12:14:02 S 17 25 37.757 -44 58 46.42 V C57
2021-05-31 12:14:02 s 1 +99879.063 0 +359256.03 1870.0 C57
2021-05-31 12:34:01 S 17 25 31.896 -44 58 00.37 V C57
2021-05-31 12:34:01 s 1 +99237.077 0 +359838.09 180.0 C57
2021-05-31 12:44:02 S 17 25 28.723 -44 57 39.92 V C57
2021-05-31 12:44:02 s 1 +98915.667 0 +360127.65 8500.0 C57
2021-05-31 13:04:02 S 17 25 22.397 -44 56 51.50 V C57
2021-05-31 13:04:02 s 1 +98274.902 0 +360706.05 50.0 C57
2021-05-31 13:34:02 S 17 25 13.092 -44 55 47.21 V C57
2021-05-31 13:34:02 s 1 +97307.247 0 +361562.90 6850.0 C57
2021-05-31 13:44:02 S 17 25 10.068 -44 55 22.19 V C57
2021-05-31 13:44:02 s 1 +96984.207 0 +361846.60 1860.0 C57
2021-05-31 13:54:02 S 17 25 06.756 -44 54 59.29 V C57
2021-05-31 13:54:02 s 1 +96660.899 0 +362129.33 6330.0 C57
2021-05-31 14:04:01 S 17 25 03.850 -44 54 38.20 V C57
2021-05-31 14:04:01 s 1 +96337.324 0 +362411.08 270.0 C57
2021-05-31 14:14:02 S 17 25 00.792 -44 54 15.05 V C57
2021-05-31 14:14:02 s 1 +96013.484 0 +362691.86 3670.0 C57
2021-05-31 14:24:01 S 17 24 57.703 -44 53 51.79 V C57
2021-05-31 14:24:01 s 1 +95689.379 0 +362971.67 6550.0 C57
2021-05-31 14:34:02 S 17 24 54.590 -44 53 29.04 V C57
2021-05-31 14:34:02 s 1 +95365.010 0 +363250.50 8900.0 C57
2021-05-31 14:44:01 S 17 24 51.559 -44 53 07.22 V C57
2021-05-31 14:44:01 s 1 +95040.380 0 +363528.36 730.0 C57
2021-05-31 14:54:02 S 17 24 48.557 -44 52 45.01 V C57
2021-05-31 14:54:02 s 1 +94715.489 0 +363805.25 2050.0 C57
2021-05-31 15:04:02 S 17 24 45.458 -44 52 23.45 V C57
2021-05-31 15:04:02 s 1 +94390.338 0 +364081.18 2850.0 C57
2021-05-31 15:14:02 S 17 24 42.482 -44 51 58.57 V C57
2021-05-31 15:14:02 s 1 +94064.930 0 +364356.13 3130.0 C57
2021-05-31 15:24:02 S 17 24 39.317 -44 51 34.63 V C57