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
2003-01-25 02:16:22 C 07 42 34.02 +11 43 13.4 c 809
2003-01-25 02:30:40 C 07 42 33.17 +11 43 14.1 c 809
2003-01-25 02:44:23 C 07 42 32.35 +11 43 14.7 c 809
2003-01-25 03:53:23 C 07 42 28.25 +11 43 17.4 c 809
2003-01-30 04:21:11 C 07 35 39.31 +11 48 18.0 809
2003-01-30 04:24:41 C 07 35 39.10 +11 48 18.2 809
2003-01-30 04:28:11 C 07 35 38.91 +11 48 18.4 809
2003-02-06 01:45:14 C 07 27 09.85 +11 56 13.6 809
2003-02-06 01:48:44 C 07 27 09.69 +11 56 13.8 809
2003-02-06 01:52:13 C 07 27 09.52 +11 56 13.9 809
2003-02-06 01:55:42 C 07 27 09.34 +11 56 14.2 809
2007-11-29 03:06:52 C 23 54 49.06 +79 15 50.1 16.3 c 704
2007-11-29 03:24:45 C 23 55 17.59 +79 14 48.2 16.6 c 704
2007-11-29 03:43:06 C 23 55 46.89 +79 13 44.2 16.7 c 704
2007-11-29 04:01:36 C 23 56 16.15 +79 12 39.5 16.5 c 704
2007-11-29 04:20:13 C 23 56 45.56 +79 11 34.0 16.8 c 704
2007-11-30 03:16:21 C 00 29 10.99 +77 45 28.4 o H55
2007-11-30 03:24:38 C 00 29 21.13 +77 44 56.3 o H55
2007-11-30 03:39:15 C 00 29 38.77 +77 43 58.4 o H55
2007-11-30 03:52:40 C 00 29 55.22 +77 43 02.5 o H55
2007-11-30 19:43:52 C 00 47 46.15 +76 38 00.7 c J87
2007-11-30 19:48:00 C 00 47 48.85 +76 37 41.6 c 130
2007-11-30 19:48:06 C 00 47 50.38 +76 37 43.1 c J87
2007-11-30 19:51:22 C 00 47 52.34 +76 37 27.9 c 130
2007-11-30 19:52:17 C 00 47 54.57 +76 37 25.4 c J87
2007-11-30 19:56:24 C 00 47 57.31 +76 37 06.5 c 130
2007-11-30 20:01:26 C 00 48 02.24 +76 36 45.3 c 130
2007-11-30 23:22:52 C 00 51 20.41 +76 22 25.4 c 595
2007-11-30 23:26:20 C 00 51 23.74 +76 22 10.1 c 595
2007-11-30 23:38:36 C 00 51 35.91 +76 21 21.4 o A06
2007-11-30 23:41:02 C 00 51 38.14 +76 21 11.7 o A06
2007-11-30 23:42:27 C 00 51 39.52 +76 21 04.9 o A06
2007-12-01 10:39:23 C 01 01 51.44 +75 34 15.4 o 379
2007-12-01 10:48:27 C 01 01 59.21 +75 33 35.8 o 379
2007-12-01 11:11:30 C 01 02 18.63 +75 31 56.6 o 379
2007-12-01 11:14:42 C 01 02 21.30 +75 31 42.7 o 379
2007-12-01 11:17:55 C 01 02 24.05 +75 31 28.7 o 379
2007-12-01 11:25:41 C 01 02 30.49 +75 30 54.7 o 379
2007-12-01 11:28:52 C 01 02 33.20 +75 30 41.0 o 379
2007-12-01 11:32:04 C 01 02 35.69 +75 30 26.9 o 379
2007-12-01 11:59:42 C 01 02 59.01 +75 28 27.0 o 379
2007-12-01 12:02:56 C 01 03 01.56 +75 28 12.8 o 379
2007-12-01 12:06:09 C 01 03 04.18 +75 27 58.9 o 379
2007-12-02 01:27:03 C 01 13 48.54 +74 29 25.9 16.1 c 704
2007-12-02 01:45:56 C 01 14 02.16 +74 28 03.5 16.4 c 704
2007-12-02 02:23:36 C 01 14 29.34 +74 25 18.9 16.7 c 704
2007-12-02 02:42:31 C 01 14 42.83 +74 23 55.2 16.5 c 704
2007-12-02 11:35:01 C 01 20 56.38 +73 44 34.3 o 379
2007-12-02 12:11:01 C 01 21 19.81 +73 41 53.2 o 379
2007-12-02 12:38:21 C 01 21 37.57 +73 39 51.7 o 379