IAA RAS IAA Minor Planet Database

256412 (2007 BT2)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2237743252 ± 1.39e-08
Semi-major axis (a)1.6323880671 AU ± 3.61e-09
Inclination (i)26.86047608° ± 1.02e-06
Long. of Asc. Node (Ω)30.96489863° ± 1.08e-06
Arg. of Perihelion (ω)149.08196504° ± 5.31e-06
Mean Anomaly (M)356.59815699° ± 1.24e-05
Mean Motion (n)0.4725819817°/day ± 1.57e-09
Perihelion dist (q)1.26710153 AU ± 2.29e-08
Aphelion dist (Q)1.99767461 AU ± 2.31e-08
Orbital Period2.08561968 yr ± 6.93e-09
Physical Parameters
H (abs. magnitude)16.93
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.063″
Uncertainty0
Orbit TypeAmor
MOID0.290292 AU
Observations Used1364
Gaia Obs Used107
Oppositions12
Arc Total1993-2017
First Observation Used1993-10-09
Last Observation Used2024-12-03
Observations (1596)
Date Type RA Dec Mag Band Observatory
2018-10-11 16:38:32 C 01 40 52.94 -00 58 19.2 – q D29
2018-10-11 20:14:40 S 01 39 59.707 -00 57 28.12 – V C57
2018-10-11 20:14:40 s 1 -90332.093 0 +367271.34 700.0 – C57
2018-10-11 20:44:40 S 01 39 57.242 -00 57 18.72 – V C57
2018-10-11 20:44:40 s 1 -91368.363 0 +366946.28 8930.0 – C57
2018-10-12 00:44:40 S 01 39 37.207 -00 56 17.84 – V C57
2018-10-12 00:44:40 s 1 -99575.064 0 +364030.61 1540.0 – C57
2018-10-12 03:44:40 S 01 39 22.018 -00 55 30.83 – V C57
2018-10-12 03:44:40 s 1 -105627.32 3 +361476.73 40.0 – C57
2018-10-12 04:14:40 S 01 39 19.366 -00 55 24.31 – V C57
2018-10-12 04:14:40 s 1 -106627.01 4 +361020.53 8650.0 – C57
2018-10-12 07:44:40 S 01 39 01.610 -00 54 28.51 – V C57
2018-10-12 07:44:40 s 1 -113549.24 0 +357582.85 6020.0 – C57
2018-10-12 12:14:40 S 01 38 39.120 -00 53 19.50 – V C57
2018-10-12 12:14:40 s 1 -122243.77 8 +352535.14 8500.0 – C57
2018-10-12 14:14:40 S 01 38 28.817 -00 52 43.61 – V C57
2018-10-12 14:14:40 s 1 -126029.02 2 +350065.01 3170.0 – C57
2018-10-12 14:44:40 S 01 38 26.532 -00 52 36.91 – V C57
2018-10-12 14:44:40 s 1 -126967.40 7 +349425.67 2530.0 – C57
2018-10-12 17:14:40 S 01 38 14.107 -00 52 00.62 – V C57
2018-10-12 17:14:40 s 1 -131610.31 8 +346098.12 5150.0 – C57
2018-10-12 17:44:40 S 01 38 11.698 -00 51 48.02 – V C57
2018-10-12 17:44:40 s 1 -132528.89 1 +345406.42 5630.0 – C57
2018-10-12 18:14:40 S 01 38 08.878 -00 51 41.47 – V C57
2018-10-12 18:14:40 s 1 -133444.05 9 +344705.99 9040.0 – C57
2018-10-12 19:44:40 S 01 38 01.277 -00 51 14.29 – V C57
2018-10-12 19:44:40 s 1 -136168.82 4 +342552.29 5030.0 – C57
2018-10-12 20:14:40 S 01 37 59.038 -00 51 13.82 – V C57
2018-10-12 20:14:40 s 1 -137070.06 4 +341816.92 8370.0 – C57
2018-10-12 21:14:40 S 01 37 54.005 -00 50 56.15 – V C57
2018-10-12 21:14:40 s 1 -138861.83 8 +340319.93 1000.0 – C57
2018-10-12 21:44:40 S 01 37 51.451 -00 50 51.25 – V C57
2018-10-12 21:44:40 s 1 -139752.31 0 +339558.32 9930.0 – C57
2018-10-12 22:14:40 S 01 37 48.751 -00 50 41.60 – V C57
2018-10-12 22:14:40 s 1 -140639.12 9 +338787.96 370.0 – C57
2018-10-12 23:44:40 S 01 37 41.057 -00 50 16.12 – V C57
2018-10-12 23:44:40 s 1 -143277.35 4 +336424.34 8910.0 – C57
2018-10-13 03:44:40 S 01 37 21.514 -00 49 12.86 – V C57
2018-10-13 03:44:40 s 1 -150143.86 4 +329735.61 2040.0 – C57
2018-10-13 12:44:40 S 01 36 36.257 -00 46 49.48 – V C57
2018-10-13 12:44:40 s 1 -164618.45 9 +312625.51 8570.0 – C57
2018-10-13 14:14:40 S 01 36 29.239 -00 46 28.81 – V C57
2018-10-13 14:14:40 s 1 -166888.53 3 +309495.01 2710.0 – C57
2018-10-13 15:14:40 S 01 36 23.935 -00 46 05.66 – V C57
2018-10-13 15:14:40 s 1 -168377.83 2 +307363.55 170.0 – C57
2018-10-13 15:44:40 S 01 36 21.473 -00 45 59.98 – V C57
2018-10-13 15:44:40 s 1 -169115.13 4 +306284.45 620.0 – C57
2018-10-13 20:14:40 S 01 35 59.299 -00 44 49.31 – V C57
2018-10-13 20:14:40 s 1 -175522.82 0 +296170.71 4080.0 – C57
2018-10-14 09:14:40 S 01 34 54.785 -00 41 17.77 – V C57