2003 RU11

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1823370891 ± 1.10e-06
Semi-major axis (a)0.8886072850 AU ± 2.72e-07
Inclination (i)4.66708511° ± 1.47e-04
Long. of Asc. Node (Ω)178.17973260° ± 2.42e-04
Arg. of Perihelion (ω)316.73473370° ± 1.71e-04
Mean Anomaly (M)41.50883747° ± 1.33e-02
Mean Motion (n)1.1766504687°/day ± 5.40e-07
Perihelion dist (q)0.72658122 AU ± 1.00e-06
Aphelion dist (Q)1.05063335 AU ± 1.03e-06
Orbital Period0.83765426 yr ± 3.85e-07
Physical Parameters
H (abs. magnitude)25.50
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual1.007″
Uncertainty2
Orbit TypeAten
MOID0.008468 AU
Observations Used32
Radar Obs Used2
Oppositions1
Arc Total2003-2003
First Observation Used2003-09-14
Last Observation Used2003-09-17
Observations (32)
Date Type RA Dec Mag Band Observatory
2003-09-14 04:16:35 C 19 39 01.74 +57 33 15.5 18.9 c 704
2003-09-14 04:33:27 C 19 38 06.82 +57 31 09.4 19.2 c 704
2003-09-14 04:50:21 C 19 37 11.63 +57 29 01.2 19.0 c 704
2003-09-14 05:07:22 C 19 36 16.23 +57 26 45.6 18.7 c 704
2003-09-14 20:26:26 C 18 50 36.36 +54 55 46.0 o J95
2003-09-14 21:17:35 C 18 47 49.37 +54 44 14.6 o J95
2003-09-14 21:19:01 C 18 47 44.84 +54 43 55.7 o J95
2003-09-14 21:20:28 C 18 47 39.95 +54 43 35.1 o J95
2003-09-15 02:49:41 C 18 31 23.41 +53 31 03.2 19.3 c 704
2003-09-15 03:06:35 C 18 30 27.06 +53 26 33.3 19.6 c 704
2003-09-15 03:23:29 C 18 29 30.93 +53 21 59.0 19.6 c 704
2003-09-15 03:40:23 C 18 28 34.89 +53 17 20.1 19.3 c 704
2003-09-15 03:57:35 C 18 27 38.03 +53 12 30.7 19.6 c 704
2003-09-16 02:44:38 C 17 24 12.65 +45 28 46.9 c 673
2003-09-16 02:55:32 C 17 23 41.21 +45 24 11.2 c 673
2003-09-16 02:58:36 C 17 23 32.60 +45 22 51.6 c 673
2003-09-16 03:01:55 C 17 23 23.22 +45 21 24.9 c 673
2003-09-16 03:11:23 C 17 22 56.46 +45 17 21.7 c 673
2003-09-16 03:26:14 C 17 22 14.12 +45 10 54.8 c 673
2003-09-16 04:04:41 C 17 20 26.39 +44 53 58.3 c 673
2003-09-16 04:11:42 C 17 20 07.00 +44 50 52.9 c 673
2003-09-16 20:15:17 C 16 43 01.14 +37 24 38.4 r J95
2003-09-16 20:22:48 C 16 42 44.30 +37 20 49.5 r J95
2003-09-16 20:31:29 C 16 42 24.82 +37 16 24.4 r J95
2003-09-16 20:39:12 C 16 42 07.49 +37 12 27.3 r J95
2003-09-17 03:02:32 C 16 29 07.53 +34 07 10.1 d 291
2003-09-17 03:08:47 C 16 28 54.14 +34 03 56.3 d 291
2003-09-17 03:49:14 C 16 27 24.84 +33 39 09.9 c 649
2003-09-17 03:51:52 C 16 27 19.58 +33 37 45.3 c 649
2003-09-17 03:54:31 C 16 27 14.39 +33 36 20.5 c 649
2003-09-17 19:38:07 C 16 00 13.13 +25 35 47.0 r J95
2003-09-17 19:54:41 C 15 59 45.24 +25 27 12.1 r J95
Radar Observations (2)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2003-09-17 19:51:00 -13399.7 20 Hz 2380 -1 -1
2003-09-17 20:28:00 9650015.3 1 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)