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
2018-12-26 22:13:45 C 04 15 51.49 +40 17 53.0 q 160
2018-12-28 10:00:24 C 04 14 34.99 +39 19 41.4 V T05
2018-12-28 10:18:52 C 04 14 34.34 +39 19 11.6 V T05
2018-12-28 10:25:16 C 04 14 34.06 +39 19 01.5 V T05
2018-12-28 10:47:46 C 04 14 33.27 +39 18 25.6 V T05
2019-01-01 21:20:13 C 04 11 59.42 +36 42 06.3 q 160
2019-01-01 21:24:20 C 04 11 59.29 +36 42 00.3 q 160
2019-01-01 21:28:22 C 04 11 59.13 +36 41 55.6 q 160
2019-01-02 21:25:02 C 04 11 37.48 +36 10 05.7 q 160
2019-01-02 21:28:54 C 04 11 37.44 +36 10 00.5 q 160
2019-01-02 21:32:45 C 04 11 37.34 +36 09 55.6 q 160
2019-01-02 22:08:21 C 04 11 36.78 +36 09 09.2 V L39
2019-01-02 22:09:45 C 04 11 36.82 +36 09 07.4 V L39
2019-01-03 21:15:08 C 04 11 19.98 +35 39 32.7 q 160
2019-01-03 21:18:37 C 04 11 19.96 +35 39 28.0 q 160
2019-01-03 21:22:05 C 04 11 19.94 +35 39 24.4 q 160
2019-01-04 09:37:49 C 04 11 12.23 +35 24 09.6 V T05
2019-01-04 09:51:34 C 04 11 12.09 +35 23 52.0 V T05
2019-01-04 09:52:58 C 04 11 12.02 +35 23 50.5 V T05
2019-01-04 09:55:38 C 04 11 12.01 +35 23 47.5 V T05
2019-01-06 19:57:05 C 04 10 50.87 +34 15 09.2 q 160
2019-01-06 20:01:08 C 04 10 50.83 +34 15 05.1 q 160
2019-01-06 20:05:08 C 04 10 50.83 +34 15 00.5 q 160
2019-01-12 08:34:20 C 04 11 13.11 +31 59 39.3 V T05
2019-01-12 08:50:54 C 04 11 13.24 +31 59 24.3 V T05
2019-01-12 08:52:52 C 04 11 13.20 +31 59 21.8 V T05
2019-01-12 09:16:58 C 04 11 13.35 +31 59 00.1 V T05
2019-01-22 13:39:50 C 04 15 14.84 +28 51 46.0 q D29
2019-01-22 13:56:22 C 04 15 15.24 +28 51 35.8 q D29
2019-01-28 05:17:31 C 04 18 50.18 +27 34 28.9 V 703
2019-01-28 05:25:39 C 04 18 50.30 +27 34 24.3 V 703
2019-01-28 05:33:47 C 04 18 50.48 +27 34 20.4 V 703
2019-01-28 05:41:56 C 04 18 50.79 +27 34 14.9 V 703
2019-02-01 03:04:43 C 04 21 45.63 +26 49 35.1 V G96
2019-02-01 03:12:56 C 04 21 45.87 +26 49 31.2 V G96
2019-02-01 03:21:05 C 04 21 46.13 +26 49 27.6 V G96
2019-02-01 03:29:19 C 04 21 46.36 +26 49 24.2 V G96
2020-02-22 03:22:47 C 08 36 35.51 -01 11 56.6 u H21
2020-02-22 03:30:40 C 08 36 35.17 -01 11 54.7 u H21
2020-02-22 03:38:27 C 08 36 34.81 -01 11 53.0 u H21
2020-02-23 03:52:56 C 08 35 31.47 -01 07 13.7 u H21
2020-02-23 04:04:19 C 08 35 31.00 -01 07 11.5 u H21
2020-02-23 04:11:37 C 08 35 30.66 -01 07 10.2 u H21
2021-04-24 14:52:30 S 03 28 14.090 -76 24 19.22 L C51
2021-04-24 16:26:34 S 03 27 45.482 -76 17 32.35 L C51
2021-04-24 16:26:45 S 03 27 45.302 -76 17 31.60 L C51
2021-04-24 18:00:49 S 03 27 17.167 -76 10 43.93 L C51
2021-04-24 19:34:53 S 03 26 49.397 -76 03 55.48 L C51
2021-04-24 21:08:57 S 03 26 22.018 -75 57 05.58 L C51
2021-04-24 21:09:08 S 03 26 21.912 -75 57 05.22 L C51