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
2018-09-13 08:03:21 C 02 23 37.15 -02 44 53.8 U G96
2018-09-13 08:10:59 C 02 23 36.86 -02 44 52.8 U G96
2018-09-13 08:18:37 C 02 23 36.54 -02 44 53.4 U G96
2018-09-18 09:58:03 C 02 18 36.39 -02 30 31.1 U I41
2018-09-18 10:59:20 C 02 18 33.43 -02 30 23.7 U I41
2018-09-19 09:55:29 C 02 17 28.38 -02 27 34.3 U I41
2018-09-19 10:08:04 C 02 17 27.74 -02 27 32.8 U I41
2018-09-21 08:36:10 C 02 15 07.64 -02 21 40.5 U I41
2018-09-21 08:54:35 C 02 15 06.64 -02 21 37.9 U I41
2018-09-21 09:59:30 C 02 15 03.11 -02 21 29.5 U I41
2018-09-22 09:24:15 C 02 13 48.21 -02 18 26.4 U I41
2018-09-22 09:25:35 C 02 13 48.14 -02 18 26.3 U I41
2018-09-22 10:28:39 C 02 13 44.60 -02 18 18.0 U I41
2018-09-22 10:29:59 C 02 13 44.51 -02 18 17.6 U I41
2018-09-22 10:39:17 C 02 13 43.98 -02 18 16.6 U I41
2018-10-02 12:41:52 C 01 58 14.757 -01 41 52.07 U F52
2018-10-02 12:59:43 C 01 58 13.412 -01 41 49.05 U F52
2018-10-02 13:17:31 C 01 58 12.078 -01 41 46.00 U F52
2018-10-02 13:35:16 C 01 58 10.748 -01 41 42.90 U F52
2018-10-03 12:28:16 C 01 56 29.76 -01 37 42.6 U T05
2018-10-03 12:42:37 C 01 56 28.68 -01 37 40.0 U T05
2018-10-03 12:57:04 C 01 56 27.35 -01 37 38.1 U T05
2018-10-03 13:12:30 C 01 56 26.40 -01 37 34.3 U T05
2018-10-06 07:27:27 C 01 51 23.04 -01 25 20.7 V 703
2018-10-06 07:35:06 C 01 51 22.41 -01 25 19.0 V 703
2018-10-06 07:42:45 C 01 51 21.81 -01 25 18.0 V 703
2018-10-06 07:50:25 C 01 51 21.18 -01 25 16.2 V 703
2018-10-06 09:08:03 C 01 51 14.96 -01 25 01.3 V G96
2018-10-06 09:15:33 C 01 51 14.36 -01 24 59.9 V G96
2018-10-06 09:23:04 C 01 51 13.74 -01 24 58.0 V G96
2018-10-06 09:47:07 C 01 51 11.82 -01 24 53.8 V G96
2018-10-10 06:39:10 C 01 43 42.83 -01 05 51.3 V 703
2018-10-10 06:46:52 C 01 43 42.19 -01 05 49.3 V 703
2018-10-10 06:54:35 C 01 43 41.56 -01 05 47.7 V 703
2018-10-10 07:02:16 C 01 43 40.89 -01 05 46.2 V 703
2018-10-10 11:04:46 C 01 43 20.703 -01 04 51.82 U F52
2018-10-10 11:40:36 C 01 43 17.652 -01 04 44.04 U F52
2018-10-10 11:58:33 C 01 43 16.122 -01 04 40.10 U F52
2018-10-11 09:44:40 S 01 40 53.275 -01 00 10.26 V C57
2018-10-11 09:44:40 s 1 -68093.062 0 +372067.01 6300.0 C57
2018-10-11 10:14:40 S 01 40 50.834 -00 59 57.77 V C57
2018-10-11 10:14:40 s 1 -69170.985 0 +371926.88 5240.0 C57
2018-10-11 10:44:40 S 01 40 48.110 -00 59 57.26 V C57
2018-10-11 10:44:40 s 1 -70247.173 0 +371777.90 1290.0 C57
2018-10-11 11:14:40 S 01 40 45.355 -00 59 49.99 V C57
2018-10-11 11:14:40 s 1 -71321.601 0 +371620.06 4600.0 C57
2018-10-11 11:44:40 S 01 40 42.653 -00 59 38.54 V C57
2018-10-11 11:44:40 s 1 -72394.244 0 +371453.38 5330.0 C57
2018-10-11 15:57:48 C 01 40 56.44 -00 58 28.4 q D29
2018-10-11 16:18:10 C 01 40 54.69 -00 58 23.8 q D29