285263 (1998 QE2)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5727151351 ± 2.12e-09
Semi-major axis (a)2.4206926771 AU ± 5.13e-09
Inclination (i)12.87778231° ± 6.59e-07
Long. of Asc. Node (Ω)250.07086861° ± 5.35e-07
Arg. of Perihelion (ω)345.66936702° ± 1.74e-06
Mean Anomaly (M)113.98169612° ± 3.79e-06
Mean Motion (n)0.2616994389°/day ± 8.32e-10
Perihelion dist (q)1.03432534 AU ± 5.59e-09
Aphelion dist (Q)3.80706001 AU ± 9.57e-09
Orbital Period3.76625295 yr ± 1.20e-08
Physical Parameters
H (abs. magnitude)17.28
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.291″
Uncertainty0
Orbit TypeAmor
MOID0.029660 AU
Observations Used1844
Radar Obs Used4
Oppositions11
Arc Total1998-2025
First Observation Used1998-08-19
Last Observation Used2025-11-23
Observations (1924)
Date Type RA Dec Mag Band Observatory
2013-06-06 23:15:03 n 17 08 55.39 +04 59 00.7 q Z92
2013-06-06 23:15:19 n 17 08 55.56 +04 59 02.7 q Z92
2013-06-06 23:15:36 n 17 08 55.73 +04 59 04.7 q Z92
2013-06-06 23:15:54 n 17 08 55.91 +04 59 06.8 q Z92
2013-06-06 23:16:07 n 17 08 56.05 +04 59 08.4 q Z92
2013-06-06 23:17:19 C 17 08 55.76 +04 59 26.6 t B50
2013-06-06 23:22:39 C 17 08 58.85 +05 00 03.3 t B50
2013-06-06 23:38:23 C 17 09 08.05 +05 01 52.4 t B50
2013-06-07 02:47:48 C 17 11 00.20 +05 24 15.7 o G40
2013-06-07 02:48:31 C 17 11 00.60 +05 24 20.3 o G40
2013-06-07 02:49:17 C 17 11 01.03 +05 24 25.5 13.3 o G40
2013-06-07 21:51:24 C 17 21 59.25 +07 23 46.4 w C23
2013-06-07 21:54:02 C 17 22 00.59 +07 24 01.9 w C23
2013-06-07 21:57:39 C 17 22 02.44 +07 24 23.3 w C23
2013-06-07 22:00:56 C 17 22 04.13 +07 24 42.6 w C23
2013-06-07 22:07:40 C 17 22 06.65 +07 25 27.7 q C47
2013-06-07 22:08:05 C 17 22 11.60 +07 26 10.3 12.3 q G40
2013-06-07 22:17:54 C 17 22 16.60 +07 27 08.6 12.3 q G40
2013-06-07 22:21:24 C 17 22 13.62 +07 26 48.6 q C47
2013-06-07 22:28:10 C 17 22 21.81 +07 28 09.2 12.3 q G40
2013-06-07 22:35:08 C 17 22 20.58 +07 28 09.1 q C47
2013-06-07 22:39:50 n 17 22 24.49 +07 28 26.4 q Z92
2013-06-07 22:40:05 n 17 22 24.63 +07 28 27.9 q Z92
2013-06-07 22:40:22 n 17 22 24.77 +07 28 29.4 q Z92
2013-06-07 22:40:39 n 17 22 24.92 +07 28 31.0 q Z92
2013-06-07 22:40:53 n 17 22 25.04 +07 28 32.3 q Z92
2013-06-07 22:48:51 C 17 22 27.52 +07 29 29.6 q C47
2013-06-07 22:59:56 n 17 22 34.74 +07 30 24.2 q Z92
2013-06-07 23:00:15 n 17 22 34.91 +07 30 26.0 q Z92
2013-06-07 23:00:29 n 17 22 35.03 +07 30 27.2 q Z92
2013-06-07 23:00:46 n 17 22 35.19 +07 30 28.8 q Z92
2013-06-07 23:00:58 n 17 22 35.30 +07 30 29.9 q Z92
2013-06-07 23:02:35 C 17 22 34.44 +07 30 49.7 q C47
2013-06-07 23:16:53 C 17 22 41.64 +07 32 13.2 q C47
2013-06-08 01:49:21 C 17 23 59.27 +07 46 47.3 w C23
2013-06-08 01:53:37 C 17 24 01.42 +07 47 11.6 w C23
2013-06-08 01:57:53 C 17 24 03.56 +07 47 35.9 w C23
2013-06-08 02:02:10 C 17 24 05.68 +07 48 00.2 w C23
2013-06-08 07:33:35 C 17 26 57.38 +08 19 28.4 q H45
2013-06-08 07:34:52 C 17 26 57.98 +08 19 35.4 q H45
2013-06-08 07:35:36 C 17 26 58.34 +08 19 39.4 q H45
2013-06-08 07:36:51 C 17 26 58.93 +08 19 46.2 q H45
2013-06-08 07:37:36 C 17 26 59.27 +08 19 50.2 q H45
2013-06-08 07:38:30 C 17 26 59.71 +08 19 55.3 q H45
2013-06-08 07:39:25 C 17 27 00.13 +08 20 00.2 q H45
2013-06-08 07:40:17 C 17 27 00.54 +08 20 04.9 q H45
2013-06-08 20:54:36 C 17 33 34.20 +09 28 49.7 r 006
2013-06-08 20:59:39 C 17 33 36.45 +09 29 14.6 r 006
2013-06-08 21:04:35 C 17 33 38.67 +09 29 39.5 r 006
2013-06-08 22:10:49 C 17 34 08.01 +09 35 10.8 w C90
Radar Observations (4)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2013-06-07 05:00:00 55277706.99 1 us 2380 -1 -1
2013-06-11 06:16:00 75259618.58 1 us 2380 -1 -1
2013-06-13 05:59:00 86115379.37 1 us 2380 -1 -1
2013-06-27 06:00:00 169939823.4 2 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)