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
2012-02-04 00:50:07 C 01 58 59.04 -41 06 06.1 o 807
2012-02-04 00:52:37 C 01 59 01.86 -41 06 24.7 o 807
2012-02-04 00:55:06 C 01 59 04.68 -41 06 43.2 o 807
2012-02-04 00:57:36 C 01 59 07.51 -41 07 01.8 o 807
2012-02-04 01:00:04 C 01 59 10.31 -41 07 20.3 o 807
2012-02-04 01:02:33 C 01 59 13.10 -41 07 38.4 o 807
2012-02-04 02:25:11 C 02 00 47.61 -41 17 33.8 u I47
2012-02-04 02:28:48 C 02 00 51.83 -41 17 59.0 u I47
2012-02-04 02:30:37 C 02 00 53.85 -41 18 12.0 u I47
2012-02-04 02:34:14 C 02 00 58.03 -41 18 37.5 u I47
2012-02-14 11:53:00 C 05 36 01.17 -48 52 34.4 r E12
2012-02-14 12:07:25 C 05 36 07.76 -48 52 21.4 r E12
2012-02-14 12:21:54 C 05 36 14.39 -48 52 08.0 r E12
2012-02-14 12:36:36 C 05 36 21.14 -48 51 54.7 r E12
2012-02-20 03:34:45 C 06 25 24.62 -46 43 45.7 o I47
2012-02-20 03:37:32 C 06 25 25.32 -46 43 42.4 o I47
2012-04-07 04:26:47 C 08 38 26.90 -32 37 39.3 o 807
2012-04-07 04:39:24 C 08 38 28.01 -32 37 31.6 o 807
2012-04-07 04:51:16 C 08 38 29.00 -32 37 24.2 o 807
2015-06-11 09:05:05 C 21 07 45.70 -35 31 53.7 u 807
2015-06-11 09:10:29 C 21 07 45.60 -35 31 53.5 u 807
2015-06-11 09:16:27 C 21 07 45.55 -35 31 52.9 u 807
2015-06-11 09:21:56 C 21 07 45.43 -35 31 52.1 u 807
2015-06-11 09:27:50 C 21 07 45.32 -35 31 51.4 u 807
2015-06-12 07:40:11 C 21 07 27.85 -35 28 52.0 u 807
2015-06-12 07:49:48 C 21 07 27.67 -35 28 50.8 u 807
2015-06-12 07:59:38 C 21 07 27.48 -35 28 49.6 u 807
2015-06-27 06:17:45 C 20 52 30.38 -34 24 40.6 u 807
2015-06-27 06:21:14 C 20 52 30.12 -34 24 39.8 u 807
2015-06-27 06:24:54 C 20 52 29.86 -34 24 38.5 u 807
2015-06-27 06:28:12 C 20 52 29.60 -34 24 37.7 u 807
2015-06-27 06:31:50 C 20 52 29.35 -34 24 36.8 u 807
2015-06-27 12:03:34 C 20 52 05.735 -34 23 23.86 L F52
2015-06-27 12:15:12 C 20 52 04.811 -34 23 21.01 L F52
2015-06-27 12:38:32 C 20 52 03.018 -34 23 15.00 L F52
2015-07-23 02:46:06 C 19 38 33.40 -28 12 28.2 u 807
2015-07-23 02:49:31 C 19 38 32.88 -28 12 24.5 u 807
2015-07-23 02:53:07 C 19 38 32.32 -28 12 20.7 u 807
2015-07-23 02:56:23 C 19 38 31.81 -28 12 17.3 u 807
2015-07-23 03:00:00 C 19 38 31.24 -28 12 13.6 u 807
2015-07-24 09:17:02 C 19 33 59.402 -27 39 50.93 L F51
2015-07-24 09:30:50 C 19 33 57.209 -27 39 35.30 L F51
2015-07-24 09:44:57 C 19 33 55.040 -27 39 20.31 L F51
2015-07-25 01:51:09 C 19 31 31.71 -27 21 05.1 u 807
2015-07-25 01:55:23 C 19 31 31.07 -27 21 00.3 u 807
2015-07-25 01:59:51 C 19 31 30.38 -27 20 55.3 u 807
2015-07-25 02:04:06 C 19 31 29.72 -27 20 50.6 u 807
2015-07-25 02:08:22 C 19 31 29.06 -27 20 46.0 u 807
2015-07-27 01:01:49 C 19 24 32.63 -26 26 29.7 u 807
2015-07-27 01:06:15 C 19 24 31.97 -26 26 24.4 u 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)