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
2009-05-02 20:07:03 C 11 54 38.26 +00 38 41.4 w 160
2009-05-02 20:09:42 C 11 54 38.12 +00 38 34.1 w 160
2009-05-02 22:02:22 C 11 54 31.02 +00 33 19.4 17.0 o 084
2009-05-02 22:05:19 C 11 54 30.81 +00 33 10.9 16.9 o 084
2009-05-02 22:08:56 C 11 54 30.95 +00 33 06.4 r J53
2009-05-02 22:10:27 C 11 54 30.85 +00 33 02.1 r J53
2009-05-02 22:12:44 C 11 54 30.72 +00 32 55.8 r J53
2009-05-03 20:19:13 C 11 53 17.51 -00 27 19.1 r A81
2009-05-03 20:22:31 C 11 53 17.33 -00 27 28.2 r A81
2009-05-03 20:25:45 C 11 53 17.15 -00 27 37.1 r A81
2009-05-03 20:29:17 C 11 53 16.97 -00 27 46.5 r A81
2009-05-05 03:11:00 C 11 51 43.28 -01 49 21.3 o H55
2009-05-05 03:13:26 C 11 51 43.17 -01 49 27.8 o H55
2009-05-05 03:21:04 C 11 51 42.74 -01 49 48.1 o H55
2009-05-09 03:29:11 C 11 47 48.57 -05 49 43.6 o H55
2009-05-09 03:31:48 C 11 47 48.48 -05 49 49.9 o H55
2009-05-09 03:34:25 C 11 47 48.38 -05 49 56.1 o H55
2009-05-09 03:39:43 C 11 47 48.19 -05 50 08.8 o H55
2009-05-13 19:15:29 C 11 44 59.66 -09 59 31.2 17.7 r C20
2009-05-14 20:04:47 C 11 44 35.86 -10 50 56.1 17.8 r C20
2009-05-15 18:32:53 C 11 44 18.92 -11 36 15.1 17.4 r C20
2009-05-17 19:14:20 C 11 43 54.22 -13 10 42.0 18.0 r C20
2009-05-22 11:18:52 C 11 44 00.92 -16 29 25.8 r E12
2009-05-22 11:37:37 C 11 44 00.96 -16 29 56.7 r E12
2009-05-29 11:47:33 C 11 46 38.90 -20 47 38.9 r E12
2009-05-29 12:07:28 C 11 46 39.30 -20 48 06.6 r E12
2009-05-29 12:27:12 C 11 46 39.70 -20 48 34.2 r E12
2009-05-29 12:46:54 C 11 46 40.12 -20 49 01.3 r E12
2009-06-13 09:29:36 C 12 00 08.62 -27 57 47.8 r 432
2009-06-13 09:56:42 C 12 00 09.87 -27 58 15.4 r 432
2009-06-16 08:37:47 C 12 03 53.19 -29 09 24.9 r 432
2009-06-16 08:42:57 C 12 03 53.42 -29 09 29.0 r 432
2010-09-20 00:51:54 S 05 49 16.104 +36 09 32.94 L C51
2010-09-20 04:02:25 S 05 49 32.597 +36 11 52.33 L C51
2010-09-20 07:12:56 S 05 49 48.89 +36 14 13.8 L C51
2010-09-20 13:33:47 S 05 50 21.51 +36 18 53.6 L C51
2010-09-20 15:08:57 S 05 50 29.72 +36 20 05.6 L C51
2010-09-20 16:44:18 S 05 50 37.95 +36 21 15.2 L C51
2010-09-20 18:19:28 S 05 50 46.16 +36 22 25.2 L C51
2010-09-20 19:54:38 S 05 50 54.33 +36 23 36.6 L C51
2010-09-20 19:54:49 S 05 50 54.31 +36 23 36.6 L C51
2010-09-21 00:40:30 S 05 51 18.94 +36 27 08.1 L C51
2010-09-21 02:15:40 S 05 51 27.13 +36 28 18.1 L C51
2010-09-21 07:01:21 S 05 51 51.715 +36 31 51.13 L C51
2010-09-21 10:11:53 S 05 52 08.10 +36 34 10.8 L C51
2010-09-21 13:22:12 S 05 52 24.48 +36 36 32.3 L C51
2010-09-21 19:43:14 S 05 52 57.34 +36 41 17.0 L C51
2010-11-07 09:21:13 C 07 33 50.25 +54 31 57.9 o H20
2010-11-07 09:29:29 C 07 33 50.98 +54 32 08.2 o H20
2010-11-07 09:37:43 C 07 33 51.72 +54 32 17.3 o H20