242147 (2003 BH84)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7201946220 ± 2.31e-08
Semi-major axis (a)1.9583607604 AU ± 1.72e-09
Inclination (i)23.34865421° ± 5.57e-06
Long. of Asc. Node (Ω)283.20942857° ± 7.72e-06
Arg. of Perihelion (ω)35.53960737° ± 8.42e-06
Mean Anomaly (M)221.51300062° ± 3.47e-06
Mean Motion (n)0.3596443387°/day ± 4.75e-10
Perihelion dist (q)0.54795987 AU ± 4.53e-08
Aphelion dist (Q)3.36876165 AU ± 4.53e-08
Orbital Period2.74055832 yr ± 3.62e-09
Physical Parameters
H (abs. magnitude)17.03
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.240″
Uncertainty0
Orbit TypeApollo
MOID0.301333 AU
Observations Used446
Oppositions13
Arc Total2003-2024
First Observation Used2003-01-25
Last Observation Used2024-12-23
Observations (493)
Date Type RA Dec Mag Band Observatory
2007-12-18 16:18:46 C 02 51 46.33 +49 31 55.6 o 379
2007-12-18 16:26:00 C 02 51 47.00 +49 31 35.9 o 379
2007-12-18 18:51:26 C 02 52 02.32 +49 25 01.0 o B04
2007-12-18 19:26:03 C 02 52 05.27 +49 23 26.9 o B04
2007-12-18 19:40:36 C 02 52 06.65 +49 22 47.9 o B04
2007-12-19 00:58:56 C 02 52 34.16 +49 08 19.5 r 204
2007-12-19 01:01:57 C 02 52 34.43 +49 08 11.3 r 204
2007-12-19 01:04:59 C 02 52 34.69 +49 08 03.0 r 204
2007-12-19 01:08:00 C 02 52 34.96 +49 07 54.8 r 204
2007-12-19 01:11:02 C 02 52 35.23 +49 07 46.5 r 204
2007-12-19 20:06:53 C 02 54 17.19 +48 17 40.7 a 233
2007-12-19 20:12:14 C 02 54 17.65 +48 17 27.1 a 233
2007-12-19 20:18:31 C 02 54 18.15 +48 17 11.0 a 233
2007-12-19 21:54:04 C 02 54 25.83 +48 13 01.7 r A81
2007-12-19 22:05:08 C 02 54 26.75 +48 12 32.7 r A81
2007-12-19 22:15:23 C 02 54 27.62 +48 12 05.8 r A81
2007-12-19 22:26:09 C 02 54 28.46 +48 11 37.5 r A81
2007-12-24 20:22:09 C 03 03 40.87 +43 35 31.0 o 198
2007-12-24 20:23:40 C 03 03 40.97 +43 35 27.8 o 198
2007-12-24 20:25:12 C 03 03 41.08 +43 35 24.7 o 198
2007-12-24 20:33:36 C 03 03 41.65 +43 35 07.2 o 198
2007-12-24 20:35:07 C 03 03 41.74 +43 35 03.9 o 198
2007-12-27 21:39:51 C 03 08 39.94 +41 11 05.4 c A24
2007-12-27 21:41:17 C 03 08 40.02 +41 11 02.6 c A24
2007-12-28 20:26:26 C 03 10 08.59 +40 29 55.8 c A24
2007-12-28 20:27:53 C 03 10 08.68 +40 29 53.0 c A24
2007-12-28 20:43:20 C 03 10 09.61 +40 29 25.7 c A24
2007-12-28 21:00:13 C 03 10 10.63 +40 28 55.6 c A24
2007-12-28 21:15:40 C 03 10 11.55 +40 28 28.1 c A24
2007-12-28 21:17:06 C 03 10 11.64 +40 28 25.5 c A24
2007-12-29 18:59:30 C 03 11 34.63 +39 50 46.6 o A78
2007-12-29 19:05:24 C 03 11 35.01 +39 50 37.8 o A78
2007-12-29 19:11:34 C 03 11 35.21 +39 50 27.0 o A78
2007-12-29 19:17:45 C 03 11 35.71 +39 50 14.0 o A78
2007-12-29 19:22:04 C 03 11 36.02 +39 50 07.9 o A78
2007-12-30 17:04:52 C 03 12 57.29 +39 13 56.9 o B34
2007-12-30 18:41:07 C 03 13 02.80 +39 11 20.3 o B34
2008-01-02 01:53:56 C 03 16 23.90 +37 45 29.9 r H45
2008-01-02 01:56:48 C 03 16 24.05 +37 45 25.5 r H45
2008-01-02 02:00:07 C 03 16 24.24 +37 45 20.8 r H45
2008-01-02 02:01:11 C 03 16 24.29 +37 45 19.2 r H45
2008-01-02 02:02:23 C 03 16 24.37 +37 45 17.3 r H45
2008-01-02 02:04:22 C 03 16 24.45 +37 45 14.3 r H45
2008-01-03 04:22:52 C 03 17 57.51 +37 07 12.6 r 703
2008-01-03 04:31:09 C 03 17 57.94 +37 06 59.9 r 703
2008-01-03 04:39:26 C 03 17 58.41 +37 06 48.4 r 703
2008-01-03 04:47:46 C 03 17 58.88 +37 06 35.7 r 703
2008-01-07 19:36:13 C 03 24 21.23 +34 44 12.9 r B15
2008-01-07 19:40:19 C 03 24 21.45 +34 44 08.6 r B15
2008-01-07 19:43:52 C 03 24 21.65 +34 44 04.4 r B15