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
2021-06-08 16:14:01 s 1 -185066.10 1 +60110.476 700.0 C57
2021-06-08 16:24:01 S 16 41 37.565 -38 50 15.94 V C57
2021-06-08 16:24:01 s 1 -184779.50 5 +59232.469 2230.0 C57
2021-06-08 16:34:01 S 16 41 35.789 -38 50 00.31 V C57
2021-06-08 16:34:01 s 1 -184489.60 8 +58353.401 4850.0 C57
2021-06-08 16:44:01 S 16 41 33.900 -38 49 42.64 V C57
2021-06-08 16:44:01 s 1 -184196.38 8 +57473.278 8500.0 C57
2021-06-08 16:54:01 S 16 41 32.434 -38 49 28.88 V C57
2021-06-08 16:54:01 s 1 -183899.82 2 +56592.109 3120.0 C57
2021-06-08 17:04:01 S 16 41 30.562 -38 49 12.72 V C57
2021-06-08 17:04:01 s 1 -183599.88 7 +55709.900 8660.0 C57
2021-06-08 17:14:01 S 16 41 28.867 -38 48 57.92 V C57
2021-06-08 17:14:01 s 1 -183296.56 2 +54826.660 5060.0 C57
2021-06-08 17:24:01 S 16 41 27.077 -38 48 40.18 V C57
2021-06-08 17:24:01 s 1 -182989.82 3 +53942.395 2250.0 C57
2021-06-08 17:34:01 S 16 41 25.349 -38 48 28.19 V C57
2021-06-08 17:34:01 s 1 -182679.64 7 +53057.115 190.0 C57
2021-06-08 17:44:01 S 16 41 23.686 -38 48 09.54 V C57
2021-06-08 17:44:01 s 1 -182366.01 2 +52170.826 8810.0 C57
2021-06-08 18:04:01 S 16 41 20.098 -38 47 39.73 V C57
2021-06-08 18:04:01 s 1 -181728.26 6 +50395.259 7840.0 C57
2021-06-08 18:14:01 S 16 41 18.425 -38 47 24.00 V C57
2021-06-08 18:14:01 s 1 -181404.10 9 +49505.998 8140.0 C57
2021-06-08 18:24:01 S 16 41 16.426 -38 47 08.92 V C57
2021-06-08 18:24:01 s 1 -181076.39 7 +48615.764 8870.0 C57
2021-06-08 18:34:01 S 16 41 14.796 -38 46 52.54 V C57
2021-06-08 18:34:01 s 1 -180745.10 6 +47724.566 9980.0 C57
2021-06-08 18:44:01 S 16 41 13.121 -38 46 36.80 V C57
2021-06-08 18:44:01 s 1 -180410.21 0 +46832.412 1400.0 C57
2021-06-08 18:54:01 S 16 41 11.167 -38 46 21.68 V C57
2021-06-08 18:54:01 s 1 -180071.68 7 +45939.314 3070.0 C57
2021-06-08 19:24:01 S 16 41 06.038 -38 45 33.16 V C57
2021-06-08 19:24:01 s 1 -179034.09 4 +43254.449 8950.0 C57
2021-06-08 19:34:01 S 16 41 04.382 -38 45 17.82 V C57
2021-06-08 19:34:01 s 1 -178680.80 5 +42357.672 980.0 C57
2021-06-08 19:44:01 S 16 41 02.654 -38 45 02.34 V C57
2021-06-08 19:44:01 s 1 -178323.76 0 +41460.001 2930.0 C57
2021-06-08 19:54:01 S 16 41 00.773 -38 44 46.00 V C57
2021-06-08 19:54:01 s 1 -177962.93 4 +40561.447 4750.0 C57
2021-06-08 20:04:01 S 16 40 59.129 -38 44 32.57 V C57
2021-06-08 20:04:01 s 1 -177598.30 0 +39662.023 6360.0 C57
2021-06-08 20:14:01 S 16 40 57.314 -38 44 15.36 V C57
2021-06-08 20:14:01 s 1 -177229.83 2 +38761.739 7700.0 C57
2021-06-08 20:34:01 S 16 40 53.942 -38 43 44.65 V C57
2021-06-08 20:34:01 s 1 -176481.28 7 +36958.640 9290.0 C57
2021-06-08 20:44:01 S 16 40 51.907 -38 43 29.96 V C57
2021-06-08 20:44:01 s 1 -176101.15 5 +36055.849 9390.0 C57
2021-06-08 22:34:01 S 16 40 32.558 -38 40 35.94 V C57
2021-06-08 22:34:01 s 1 -171653.30 0 +26074.652 8690.0 C57
2021-06-08 23:04:01 S 16 40 27.245 -38 39 51.12 V C57