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
2021-06-13 18:54:01 s 1 +154585.14 4 +287014.80 5610.0 C57
2021-06-13 19:04:01 S 16 25 02.808 -35 30 06.91 V C57
2021-06-13 19:04:01 s 1 +154342.60 6 +287506.36 3460.0 C57
2021-06-13 19:14:01 S 16 25 01.817 -35 29 50.39 V C57
2021-06-13 19:14:01 s 1 +154099.43 7 +287996.76 9860.0 C57
2021-06-13 19:24:01 S 16 25 00.787 -35 29 40.27 V C57
2021-06-13 19:24:01 s 1 +153855.63 9 +288485.98 4810.0 C57
2021-06-13 19:34:01 S 16 25 00.098 -35 29 23.39 V C57
2021-06-13 19:34:01 s 1 +153611.21 5 +288974.03 8330.0 C57
2021-06-13 19:44:01 S 16 24 58.858 -35 29 14.14 V C57
2021-06-13 19:44:01 s 1 +153366.16 8 +289460.92 420.0 C57
2021-06-13 19:54:01 S 16 24 58.318 -35 28 57.40 V C57
2021-06-13 19:54:01 s 1 +153120.50 1 +289946.64 1080.0 C57
2021-06-13 20:04:01 S 16 24 57.182 -35 28 43.21 V C57
2021-06-13 20:04:01 s 1 +152874.21 5 +290431.20 330.0 C57
2021-06-13 20:14:01 S 16 24 56.426 -35 28 28.74 V C57
2021-06-13 20:14:01 s 1 +152627.31 4 +290914.60 8170.0 C57
2021-06-13 20:24:01 S 16 24 55.435 -35 28 15.20 V C57
2021-06-13 20:24:01 s 1 +152379.80 1 +291396.84 4610.0 C57
2021-06-13 20:34:01 S 16 24 54.454 -35 28 03.25 V C57
2021-06-13 20:34:01 s 1 +152131.67 8 +291877.92 9650.0 C57
2021-06-13 20:44:01 S 16 24 53.765 -35 27 49.50 V C57
2021-06-13 20:44:01 s 1 +151882.94 9 +292357.83 3310.0 C57
2021-06-13 20:54:01 S 16 24 52.862 -35 27 32.26 V C57
2021-06-13 20:54:01 s 1 +151633.61 4 +292836.59 5580.0 C57
2021-06-13 21:04:01 S 16 24 51.869 -35 27 18.04 V C57
2021-06-13 21:04:01 s 1 +151383.67 8 +293314.20 6480.0 C57
2021-06-13 21:24:01 S 16 24 50.040 -35 26 53.99 V C57
2021-06-13 21:24:01 s 1 +150882.01 0 +294265.95 4180.0 C57
2021-06-13 21:34:01 S 16 24 49.258 -35 26 39.91 V C57
2021-06-13 21:34:01 s 1 +150630.28 4 +294740.09 990.0 C57
2021-06-13 21:54:01 S 16 24 47.386 -35 26 11.15 V C57
2021-06-13 21:54:01 s 1 +150125.06 1 +295684.93 570.0 C57
2021-06-13 22:14:01 S 16 24 45.778 -35 25 51.56 V C57
2021-06-13 22:14:01 s 1 +149617.49 2 +296625.17 4810.0 C57
2021-06-13 22:24:01 S 16 24 45.046 -35 25 27.34 V C57
2021-06-13 22:24:01 s 1 +149362.83 5 +297093.57 4940.0 C57
2021-06-13 22:34:01 S 16 24 43.970 -35 25 14.34 V C57
2021-06-13 22:34:01 s 1 +149107.59 9 +297560.82 3750.0 C57
2021-06-13 22:44:01 S 16 24 43.078 -35 25 04.48 V C57
2021-06-13 22:44:01 s 1 +148851.78 7 +298026.93 1260.0 C57
2021-06-13 22:54:01 S 16 24 42.250 -35 24 53.96 V C57
2021-06-13 22:54:01 s 1 +148595.40 1 +298491.90 7460.0 C57
2021-06-13 23:04:01 S 16 24 41.155 -35 24 36.58 V C57
2021-06-13 23:04:01 s 1 +148338.44 4 +298955.73 2360.0 C57
2021-06-13 23:14:01 S 16 24 40.214 -35 24 25.81 V C57
2021-06-13 23:14:01 s 1 +148080.91 8 +299418.42 5970.0 C57
2021-06-13 23:24:01 S 16 24 39.314 -35 24 09.47 V C57
2021-06-13 23:24:01 s 1 +147822.82 7 +299879.97 8290.0 C57
2021-06-13 23:34:01 S 16 24 38.563 -35 23 55.43 V C57