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
2021-05-29 12:34:02 s 1 +173327.79 1 +231961.94 3000.0 C57
2021-05-29 12:44:02 S 17 41 58.942 -46 51 42.73 V C57
2021-05-29 12:44:02 s 1 +173167.30 8 +232575.70 6290.0 C57
2021-05-29 12:54:02 S 17 41 55.133 -46 51 16.88 V C57
2021-05-29 12:54:02 s 1 +173005.82 8 +233188.14 7290.0 C57
2021-05-29 13:04:02 S 17 41 51.130 -46 50 52.98 V C57
2021-05-29 13:04:02 s 1 +172843.35 6 +233799.25 6030.0 C57
2021-05-29 13:14:02 S 17 41 47.407 -46 50 27.89 V C57
2021-05-29 13:14:02 s 1 +172679.89 7 +234409.05 2520.0 C57
2021-05-29 13:24:02 S 17 41 43.582 -46 50 03.08 V C57
2021-05-29 13:24:02 s 1 +172515.45 5 +235017.52 6760.0 C57
2021-05-29 13:44:02 S 17 41 35.801 -46 49 10.52 V C57
2021-05-29 13:44:02 s 1 +172183.64 3 +236230.53 8570.0 C57
2021-05-29 13:54:02 S 17 41 32.040 -46 48 47.66 V C57
2021-05-29 13:54:02 s 1 +172016.28 2 +236835.06 6150.0 C57
2021-05-29 14:04:02 S 17 41 28.310 -46 48 22.79 V C57
2021-05-29 14:04:02 s 1 +171847.95 8 +237438.28 1540.0 C57
2021-05-29 14:14:02 S 17 41 24.559 -46 47 58.70 V C57
2021-05-29 14:14:02 s 1 +171678.67 4 +238040.20 4740.0 C57
2021-05-29 14:24:02 S 17 41 20.640 -46 47 33.79 V C57
2021-05-29 14:24:02 s 1 +171508.43 6 +238640.80 5770.0 C57
2021-05-29 14:34:02 S 17 41 16.798 -46 47 08.12 V C57
2021-05-29 14:34:02 s 1 +171337.24 8 +239240.10 4630.0 C57
2021-05-29 15:04:02 S 17 41 05.237 -46 45 54.47 V C57
2021-05-29 15:04:02 s 1 +170818.03 0 +241030.18 8330.0 C57
2021-05-29 15:44:02 S 17 40 50.424 -46 44 15.97 V C57
2021-05-29 15:44:02 s 1 +170112.71 3 +243398.77 6940.0 C57
2021-05-29 15:54:02 S 17 40 46.658 -46 43 50.74 V C57
2021-05-29 15:54:02 s 1 +169934.08 7 +243987.69 8860.0 C57
2021-05-29 16:04:02 S 17 40 42.876 -46 43 26.47 V C57
2021-05-29 16:04:02 s 1 +169754.55 0 +244575.31 8720.0 C57
2021-05-29 16:14:02 S 17 40 39.070 -46 43 01.24 V C57
2021-05-29 16:14:02 s 1 +169574.10 9 +245161.65 6520.0 C57
2021-05-29 16:24:02 S 17 40 35.213 -46 42 35.64 V C57
2021-05-29 16:24:02 s 1 +169392.76 6 +245746.69 2270.0 C57
2021-05-29 16:44:02 S 17 40 27.826 -46 41 46.97 V C57
2021-05-29 16:44:02 s 1 +169027.39 2 +246912.94 7660.0 C57
2021-05-29 16:54:02 S 17 40 23.794 -46 41 20.51 V C57
2021-05-29 16:54:02 s 1 +168843.37 0 +247494.13 7320.0 C57
2021-05-29 17:04:02 S 17 40 20.150 -46 40 57.32 V C57
2021-05-29 17:04:02 s 1 +168658.46 3 +248074.05 4970.0 C57
2021-05-29 17:14:02 S 17 40 16.274 -46 40 32.77 V C57
2021-05-29 17:14:02 s 1 +168472.67 6 +248652.69 630.0 C57
2021-05-29 17:24:02 S 17 40 12.840 -46 40 08.87 V C57
2021-05-29 17:24:02 s 1 +168286.01 3 +249230.05 4290.0 C57
2021-05-29 17:34:02 S 17 40 08.909 -46 39 44.89 V C57
2021-05-29 17:34:02 s 1 +168098.47 8 +249806.13 5980.0 C57
2021-05-29 17:54:02 S 17 40 01.747 -46 38 56.54 V C57
2021-05-29 17:54:02 s 1 +167720.80 6 +250954.48 3450.0 C57
2021-05-29 18:04:02 S 17 39 58.015 -46 38 31.56 V C57