IAA RAS IAA SBSS Data Base

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
2021-06-02 09:44:01 S 17 12 44.561 -43 20 03.91 – V C57
2021-06-02 09:54:01 S 17 12 41.933 -43 19 44.26 – V C57
2021-06-02 10:04:01 S 17 12 39.396 -43 19 22.22 – V C57
2021-06-02 10:14:01 S 17 12 36.770 -43 19 02.03 – V C57
2021-06-02 10:24:01 S 17 12 34.238 -43 18 40.43 – V C57
2021-06-02 10:44:01 S 17 12 28.985 -43 17 59.57 – V C57
2021-06-02 10:54:01 S 17 12 26.590 -43 17 40.45 – V C57
2021-06-02 11:04:01 S 17 12 23.906 -43 17 17.81 – V C57
2021-06-02 11:14:01 S 17 12 21.418 -43 16 58.66 – V C57
2021-06-02 11:24:01 S 17 12 18.660 -43 16 36.80 – V C57
2021-06-02 12:54:01 S 17 11 55.682 -43 13 31.37 – V C57
2021-06-02 13:04:01 S 17 11 52.985 -43 13 10.56 – V C57
2021-06-02 13:14:01 S 17 11 50.558 -43 12 50.65 – V C57
2021-06-02 13:24:01 S 17 11 48.079 -43 12 29.92 – V C57
2021-06-02 13:34:01 S 17 11 45.346 -43 12 09.04 – V C57
2021-06-02 13:44:01 S 17 11 42.857 -43 11 48.73 – V C57
2021-06-02 13:54:01 S 17 11 40.236 -43 11 28.10 – V C57
2021-06-02 14:04:01 S 17 11 37.764 -43 11 07.26 – V C57
2021-06-02 14:14:01 S 17 11 34.982 -43 10 45.55 – V C57
2021-06-02 14:34:01 S 17 11 30.043 -43 10 04.40 – V C57
2021-06-02 14:44:01 S 17 11 27.528 -43 09 45.36 – V C57
2021-06-02 14:54:01 S 17 11 25.020 -43 09 24.66 – V C57
2021-06-02 15:04:01 S 17 11 22.366 -43 09 04.90 – V C57
2021-06-02 15:14:01 S 17 11 19.920 -43 08 43.62 – V C57
2021-06-02 15:24:01 S 17 11 17.311 -43 08 21.23 – V C57
2021-06-02 15:34:01 S 17 11 14.803 -43 08 03.08 – V C57
2021-06-02 15:44:01 S 17 11 12.338 -43 07 43.93 – V C57
2021-06-02 15:54:01 S 17 11 09.655 -43 07 21.04 – V C57
2021-06-02 16:04:01 S 17 11 07.181 -43 07 02.06 – V C57
2021-06-02 17:04:01 S 17 10 52.018 -43 04 54.91 – V C57
2021-06-02 17:04:01 s 1 -10125.811 0 +405287.00 4450.0 – C57
2021-06-02 17:14:01 S 17 10 49.445 -43 04 37.99 – V C57
2021-06-02 17:14:01 s 1 -10483.724 0 +405290.95 6050.0 – C57
2021-06-02 17:24:01 S 17 10 47.059 -43 04 18.59 – V C57
2021-06-02 17:24:01 s 1 -10841.619 0 +405294.03 7450.0 – C57
2021-06-02 17:34:01 S 17 10 44.443 -43 03 56.27 – V C57
2021-06-02 17:34:01 s 1 -11199.493 0 +405296.24 8670.0 – C57
2021-06-02 17:54:01 S 17 10 39.377 -43 03 17.10 – V C57
2021-06-02 17:54:01 s 1 -11915.181 0 +405298.07 540.0 – C57
2021-06-02 18:14:01 S 17 10 34.493 -43 02 38.76 – V C57
2021-06-02 18:14:01 s 1 -12630.779 0 +405296.44 1630.0 – C57
2021-06-02 18:24:01 S 17 10 31.802 -43 02 15.32 – V C57
2021-06-02 18:24:01 s 1 -12988.544 0 +405294.33 1880.0 – C57
2021-06-02 18:34:01 S 17 10 29.395 -43 01 55.13 – V C57
2021-06-02 18:34:01 s 1 -13346.284 0 +405291.35 1920.0 – C57
2021-06-02 18:44:01 S 17 10 26.933 -43 01 35.72 – V C57
2021-06-02 18:44:01 s 1 -13703.998 0 +405287.50 1770.0 – C57
2021-06-02 18:54:01 S 17 10 24.360 -43 01 16.00 – V C57
2021-06-02 18:54:01 s 1 -14061.687 0 +405282.79 1410.0 – C57
2021-06-02 19:54:01 S 17 10 09.382 -42 59 12.48 – V C57