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
2019-07-21 13:12:46 C 20 11 23.99 -25 39 02.4 V T05
2019-07-27 10:05:08 C 19 50 22.01 -23 06 05.3 V T08
2019-07-27 10:09:46 C 19 50 21.30 -23 05 58.8 V T08
2019-07-27 10:17:44 C 19 50 20.03 -23 05 50.5 V T08
2019-07-27 10:36:45 C 19 50 17.00 -23 05 27.0 V T08
2019-08-23 07:35:52 C 18 31 08.89 -08 31 34.6 V T05
2019-08-23 07:42:32 C 18 31 08.42 -08 31 25.8 V T05
2019-08-23 07:50:12 C 18 31 07.76 -08 31 16.6 V T05
2019-08-23 08:04:43 C 18 31 06.64 -08 30 57.6 V T05
2019-08-29 04:55:47 C 18 22 18.19 -05 43 02.1 U I41
2019-08-29 05:22:31 C 18 22 16.69 -05 42 31.9 U I41
2019-08-29 05:27:56 C 18 22 16.38 -05 42 25.7 U I41
2019-08-29 05:28:35 C 18 22 16.34 -05 42 24.9 U I41
2020-02-04 20:05:07 S 13 16 31.003 -58 18 37.19 L C51
2020-02-04 20:05:18 S 13 16 30.826 -58 18 31.14 L C51
2023-06-13 18:33:36 C 21 35 20.49 -29 53 08.8 X Q62
2023-06-13 18:49:20 C 21 35 20.54 -29 53 03.3 X Q62
2023-06-13 19:03:50 C 21 35 20.59 -29 52 58.6 X Q62
2023-06-15 13:49:24 C 21 35 31.474 -29 38 46.00 X F51
2023-06-15 13:50:20 C 21 35 31.486 -29 38 45.73 X F51
2023-06-15 13:59:33 C 21 35 31.459 -29 38 42.47 X F51
2023-06-15 14:00:29 C 21 35 31.455 -29 38 42.18 X F51
2023-06-15 14:09:44 C 21 35 31.440 -29 38 39.03 X F51
2023-06-15 14:10:39 C 21 35 31.431 -29 38 38.91 X F51
2023-06-15 14:19:52 C 21 35 31.415 -29 38 35.47 X F51
2023-06-15 14:20:47 C 21 35 31.407 -29 38 35.27 X F51
2023-06-29 12:27:34 C 21 29 08.673 -27 28 34.26 X F51
2023-06-29 12:40:30 C 21 29 08.056 -27 28 28.47 X F51
2023-06-29 12:53:24 C 21 29 07.445 -27 28 22.53 X F51
2023-06-29 13:09:18 C 21 29 06.684 -27 28 15.30 X F51
2023-07-12 23:09:11 C 21 06 46.884 -24 21 18.97 V M22
2023-07-12 23:14:13 C 21 06 46.356 -24 21 15.16 V M22
2023-07-12 23:21:37 C 21 06 45.619 -24 21 10.33 V M22
2023-07-13 00:03:45 C 21 06 41.227 -24 20 39.08 V M22
2023-07-14 04:38:08 C 21 03 49.128 -23 59 07.80 V W68
2023-07-14 04:40:45 C 21 03 48.830 -23 59 05.93 V W68
2023-07-14 04:44:48 C 21 03 48.408 -23 59 02.44 V W68
2023-07-14 04:52:06 C 21 03 47.592 -23 58 57.25 V W68
2023-07-16 00:22:17 C 20 59 07.159 -23 24 11.41 V M22
2023-07-16 00:39:23 C 20 59 05.201 -23 23 57.44 V M22
2023-07-16 00:54:39 C 20 59 03.358 -23 23 44.88 V M22
2023-07-16 09:31:52 C 20 58 06.635 -23 16 51.12 X F52
2023-07-16 09:46:26 C 20 58 04.916 -23 16 39.21 X F52
2023-07-16 10:01:04 C 20 58 03.186 -23 16 27.21 X F52
2023-07-16 10:15:39 C 20 58 01.449 -23 16 15.07 X F52
2023-07-17 04:56:03 C 20 55 53.052 -23 00 00.83 V W68
2023-07-17 05:00:01 C 20 55 52.567 -22 59 58.02 V W68
2023-07-17 05:06:00 C 20 55 51.830 -22 59 52.44 V W68
2023-07-17 05:13:23 C 20 55 50.930 -22 59 46.14 V W68
2023-07-21 23:26:58 C 20 41 30.941 -21 11 17.05 V M22
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)