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
2015-07-27 01:10:37 C 19 24 31.31 -26 26 19.3 u 807
2015-07-27 01:15:03 C 19 24 30.64 -26 26 14.2 u 807
2015-07-27 01:19:29 C 19 24 29.97 -26 26 09.1 u 807
2015-08-02 00:36:31 C 19 04 12.54 -23 25 06.0 u 807
2015-08-02 00:39:57 C 19 04 12.04 -23 25 01.9 u 807
2015-08-02 00:43:35 C 19 04 11.59 -23 24 56.4 u 807
2015-08-02 00:46:51 C 19 04 11.11 -23 24 52.9 u 807
2015-08-02 00:50:28 C 19 04 10.61 -23 24 47.9 u 807
2016-02-07 14:17:53 S 09 04 28.52 -74 35 12.3 L C51
2016-02-07 15:52:19 S 09 03 41.70 -74 26 57.0 L C51
2016-02-07 17:26:45 S 09 02 56.10 -74 18 44.4 L C51
2016-02-07 19:01:00 S 09 02 11.32 -74 10 36.0 L C51
2016-02-07 19:01:11 S 09 02 11.39 -74 10 35.4 L C51
2016-02-07 20:35:26 S 09 01 27.70 -74 02 30.0 L C51
2016-02-07 22:09:52 S 09 00 45.34 -73 54 27.0 L C51
2016-04-20 00:43:05 C 09 20 34.22 -33 50 11.0 u 807
2016-04-20 00:49:19 C 09 20 34.68 -33 50 06.3 u 807
2016-04-20 00:55:33 C 09 20 35.09 -33 50 01.8 u 807
2016-04-22 00:22:45 C 09 24 21.12 -33 19 15.3 u 807
2016-04-22 00:29:17 C 09 24 21.62 -33 19 11.2 u 807
2016-04-30 02:16:12 C 09 40 18.58 -31 23 52.7 W84
2016-04-30 02:33:39 C 09 40 20.00 -31 23 42.6 W84
2016-04-30 02:51:05 C 09 40 21.40 -31 23 32.7 W84
2016-04-30 03:08:31 C 09 40 22.84 -31 23 22.7 W84
2016-04-30 03:25:59 C 09 40 24.27 -31 23 12.7 W84
2016-04-30 03:43:26 C 09 40 25.68 -31 23 02.9 W84
2016-04-30 04:00:52 C 09 40 27.16 -31 22 52.6 W84
2016-04-30 04:18:18 C 09 40 28.59 -31 22 42.6 W84
2016-04-30 04:35:43 C 09 40 30.07 -31 22 32.3 W84
2016-04-30 04:53:11 C 09 40 31.46 -31 22 22.9 W84
2019-07-02 12:10:46 C 21 03 11.158 -30 38 50.40 U F51
2019-07-02 12:26:16 C 21 03 09.904 -30 38 44.25 U F51
2019-07-02 12:41:37 C 21 03 08.664 -30 38 38.16 U F51
2019-07-02 12:57:12 C 21 03 07.402 -30 38 31.88 U F51
2019-07-05 12:36:34 C 20 57 16.64 -30 07 39.2 V T05
2019-07-05 12:45:39 C 20 57 15.77 -30 07 34.4 V T05
2019-07-05 12:49:52 C 20 57 15.44 -30 07 32.5 V T05
2019-07-05 13:02:41 C 20 57 14.21 -30 07 26.5 V T05
2019-07-05 13:23:02 C 20 57 12.23 -30 07 17.2 V T05
2019-07-06 11:17:07 C 20 55 14.696 -29 56 54.20 U F51
2019-07-06 11:33:54 C 20 55 13.057 -29 56 46.22 U F51
2019-07-06 11:50:39 C 20 55 11.416 -29 56 38.22 U F51
2019-07-06 12:07:24 C 20 55 09.770 -29 56 30.21 U F51
2019-07-10 11:49:20 C 20 45 32.64 -29 05 08.8 V T05
2019-07-10 11:53:57 C 20 45 32.14 -29 05 05.6 V T05
2019-07-10 12:02:07 C 20 45 31.17 -29 05 00.7 V T05
2019-07-10 12:18:08 C 20 45 29.35 -29 04 51.5 V T05
2019-07-21 12:52:08 C 20 11 27.12 -25 39 23.3 V T05
2019-07-21 12:54:48 C 20 11 26.67 -25 39 20.6 V T05
2019-07-21 12:58:12 C 20 11 26.16 -25 39 17.0 V T05
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)