438661 (2008 EP6)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2931390827 ± 1.22e-08
Semi-major axis (a)1.2089100770 AU ± 9.27e-10
Inclination (i)17.72384253° ± 4.15e-06
Long. of Asc. Node (Ω)303.21973403° ± 4.43e-06
Arg. of Perihelion (ω)130.30854047° ± 4.43e-06
Mean Anomaly (M)168.41636832° ± 4.33e-06
Mean Motion (n)0.7415172860°/day ± 8.53e-10
Perihelion dist (q)0.85453129 AU ± 1.48e-08
Aphelion dist (Q)1.56328887 AU ± 1.48e-08
Orbital Period1.32920203 yr ± 1.53e-09
Physical Parameters
H (abs. magnitude)19.22
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.255″
Uncertainty0
Orbit TypeApollo
MOID0.047536 AU
Observations Used239
Radar Obs Used1
Oppositions2
Arc Total2008-2024
First Observation Used2008-03-05
Last Observation Used2024-04-12
Observations (250)
Date Type RA Dec Mag Band Observatory
2008-03-05 13:12:25 C 06 33 39.56 -30 20 22.5 r E12
2008-03-05 13:23:52 C 06 33 41.72 -30 20 22.2 r E12
2008-03-05 13:35:19 C 06 33 43.84 -30 20 22.5 r E12
2008-03-05 13:46:45 C 06 33 45.97 -30 20 21.9 r E12
2008-03-05 14:37:58 C 06 33 55.64 -30 20 20.4 r E12
2008-03-05 14:42:45 C 06 33 56.53 -30 20 19.5 r E12
2008-03-06 02:16:03 C 06 36 11.01 -30 21 14.8 r G96
2008-03-06 02:17:32 C 06 36 11.30 -30 21 14.5 r G96
2008-03-06 02:19:07 C 06 36 11.59 -30 21 14.4 r G96
2008-03-06 02:20:43 C 06 36 11.88 -30 21 14.5 r G96
2008-03-06 08:39:29 C 06 37 22.21 -30 20 35.3 o 474
2008-03-06 08:42:19 C 06 37 22.72 -30 20 35.5 o 474
2008-03-06 08:44:59 C 06 37 23.16 -30 20 35.7 o 474
2008-03-06 08:53:20 C 06 37 24.67 -30 20 35.6 o 474
2008-03-06 08:57:00 C 06 37 25.32 -30 20 35.6 o 474
2008-03-06 11:18:24 C 06 37 51.02 -30 20 41.2 r E12
2008-03-06 11:19:29 C 06 37 51.24 -30 20 41.9 r E12
2008-03-06 11:21:52 C 06 37 51.64 -30 20 41.6 r E12
2008-03-06 11:22:56 C 06 37 51.85 -30 20 41.4 r E12
2008-03-06 11:24:01 C 06 37 52.03 -30 20 41.1 r E12
2008-03-07 11:12:52 C 06 42 12.92 -30 20 08.5 r E12
2008-03-07 11:13:56 C 06 42 13.14 -30 20 08.5 r E12
2008-03-07 11:15:03 C 06 42 13.32 -30 20 08.1 r E12
2008-03-08 09:13:20 C 06 46 06.61 -30 18 51.2 o 474
2008-03-08 09:21:49 C 06 46 08.01 -30 18 50.5 o 474
2008-03-08 09:23:40 C 06 46 08.32 -30 18 50.4 o 474
2008-03-08 12:40:18 C 06 46 41.41 -30 18 40.4 r E12
2008-03-08 13:14:44 C 06 46 47.15 -30 18 36.3 r E12
2008-03-10 12:02:35 C 06 54 38.899 -30 14 05.93 r E12
2008-03-10 12:09:38 C 06 54 39.983 -30 14 05.11 r E12
2008-03-11 12:56:21 C 06 58 38.21 -30 10 45.4 r E12
2008-04-07 08:05:00 C 08 18 46.85 -27 12 12.5 o 474
2008-04-07 08:13:10 C 08 18 47.71 -27 12 10.0 o 474
2008-04-07 08:15:50 C 08 18 47.97 -27 12 08.9 o 474
2008-05-04 08:29:10 C 09 26 09.29 -24 10 37.5 o 474
2008-05-04 08:33:00 C 09 26 09.70 -24 10 36.3 o 474
2008-05-04 08:37:09 C 09 26 10.09 -24 10 35.6 o 474
2011-06-22 13:23:44 C 20 42 38.97 -37 28 30.4 r E12
2011-06-22 13:46:38 C 20 42 37.36 -37 28 27.9 r E12
2011-06-23 17:46:10 C 20 40 39.17 -37 24 10.7 r E12
2011-07-25 07:21:52 C 19 06 10.93 -29 41 00.3 o 807
2011-07-25 07:29:18 C 19 06 09.86 -29 40 51.5 o 807
2011-07-25 07:36:46 C 19 06 08.78 -29 40 42.5 o 807
2011-08-02 22:06:04 C 18 39 11.40 -25 19 12.5 v 204
2011-08-02 22:20:46 C 18 39 09.62 -25 18 52.1 v 204
2012-02-04 00:34:58 C 01 58 41.95 -41 04 13.2 o 807
2012-02-04 00:37:28 C 01 58 44.75 -41 04 31.9 o 807
2012-02-04 00:42:40 C 01 58 50.63 -41 05 10.6 o 807
2012-02-04 00:45:08 C 01 58 53.45 -41 05 29.3 o 807
2012-02-04 00:47:38 C 01 58 56.24 -41 05 47.6 o 807
Radar Observations (1)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2016-01-18 16:25:00 77346243.43 4 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)