IAA RAS IAA Minor Planet Database

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 03:54:02 s 1 +180167.93 3 +198178.31 1050.0 – C57
2021-05-29 04:04:02 S 17 45 22.750 -47 13 28.49 – V C57
2021-05-29 04:04:02 s 1 +180066.79 5 +198863.37 680.0 – C57
2021-05-29 04:14:02 S 17 45 18.754 -47 13 02.78 – V C57
2021-05-29 04:14:02 s 1 +179964.36 0 +199547.02 7320.0 – C57
2021-05-29 04:24:02 S 17 45 14.866 -47 12 38.16 – V C57
2021-05-29 04:24:02 s 1 +179860.63 5 +200229.25 970.0 – C57
2021-05-29 04:34:02 S 17 45 10.675 -47 12 12.20 – V C57
2021-05-29 04:34:02 s 1 +179755.62 7 +200910.06 1660.0 – C57
2021-05-29 04:44:02 S 17 45 06.802 -47 11 47.29 – V C57
2021-05-29 04:44:02 s 1 +179649.34 1 +201589.47 9410.0 – C57
2021-05-29 04:54:02 S 17 45 02.522 -47 11 23.75 – V C57
2021-05-29 04:54:02 s 1 +179541.78 5 +202267.46 4230.0 – C57
2021-05-29 05:04:02 S 17 44 58.745 -47 10 55.02 – V C57
2021-05-29 05:04:02 s 1 +179432.96 6 +202944.04 6130.0 – C57
2021-05-29 05:14:02 S 17 44 54.638 -47 10 30.40 – V C57
2021-05-29 05:14:02 s 1 +179322.89 0 +203619.22 5130.0 – C57
2021-05-29 05:34:02 S 17 44 47.124 -47 09 40.97 – V C57
2021-05-29 05:34:02 s 1 +179098.99 4 +204965.36 4500.0 – C57
2021-05-29 05:44:02 S 17 44 42.797 -47 09 14.69 – V C57
2021-05-29 05:44:02 s 1 +178985.18 6 +205636.33 4900.0 – C57
2021-05-29 05:54:02 S 17 44 38.947 -47 08 50.35 – V C57
2021-05-29 05:54:02 s 1 +178870.14 8 +206305.89 2460.0 – C57
2021-05-29 06:04:02 S 17 44 34.764 -47 08 25.19 – V C57
2021-05-29 06:04:02 s 1 +178753.88 5 +206974.06 7200.0 – C57
2021-05-29 06:14:02 S 17 44 30.974 -47 07 59.48 – V C57
2021-05-29 06:14:02 s 1 +178636.40 4 +207640.83 9130.0 – C57
2021-05-29 06:24:02 S 17 44 26.875 -47 07 33.60 – V C57
2021-05-29 06:24:02 s 1 +178517.71 0 +208306.21 8280.0 – C57
2021-05-29 06:34:02 S 17 44 23.126 -47 07 07.79 – V C57
2021-05-29 06:34:02 s 1 +178397.81 1 +208970.20 4640.0 – C57
2021-05-29 06:44:02 S 17 44 19.327 -47 06 44.89 – V C57
2021-05-29 06:44:02 s 1 +178276.71 3 +209632.79 8250.0 – C57
2021-05-29 06:54:02 S 17 44 15.444 -47 06 18.65 – V C57
2021-05-29 06:54:02 s 1 +178154.42 1 +210294.00 9110.0 – C57
2021-05-29 07:04:02 S 17 44 10.970 -47 05 52.80 – V C57
2021-05-29 07:04:02 s 1 +178030.94 2 +210953.82 7240.0 – C57
2021-05-29 07:14:02 S 17 44 07.190 -47 05 27.74 – V C57
2021-05-29 07:14:02 s 1 +177906.28 2 +211612.26 2650.0 – C57
2021-05-29 07:24:02 S 17 44 03.242 -47 05 03.62 – V C57
2021-05-29 07:24:02 s 1 +177780.44 6 +212269.31 5350.0 – C57
2021-05-29 07:34:02 S 17 43 59.378 -47 04 37.49 – V C57
2021-05-29 07:34:02 s 1 +177653.44 2 +212924.98 5370.0 – C57
2021-05-29 07:44:02 S 17 43 55.346 -47 04 13.19 – V C57
2021-05-29 07:44:02 s 1 +177525.27 4 +213579.27 2710.0 – C57
2021-05-29 07:54:02 S 17 43 51.415 -47 03 46.87 – V C57
2021-05-29 07:54:02 s 1 +177395.94 9 +214232.19 7400.0 – C57
2021-05-29 08:04:02 S 17 43 47.491 -47 03 21.74 – V C57
2021-05-29 08:04:02 s 1 +177265.47 2 +214883.72 9430.0 – C57
2021-05-29 08:24:02 S 17 43 39.713 -47 02 32.46 – V C57