242708 (2005 UK1)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6953808773 ± 1.80e-09
Semi-major axis (a)2.5015982312 AU ± 6.51e-10
Inclination (i)0.79207118° ± 4.25e-07
Long. of Asc. Node (Ω)180.29526416° ± 8.12e-05
Arg. of Perihelion (ω)345.92574804° ± 8.11e-05
Mean Anomaly (M)338.08434242° ± 4.37e-07
Mean Motion (n)0.2491070016°/day ± 9.72e-11
Perihelion dist (q)0.76203466 AU ± 4.51e-09
Aphelion dist (Q)4.24116180 AU ± 4.64e-09
Orbital Period3.95663822 yr ± 1.54e-09
Physical Parameters
H (abs. magnitude)18.12
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.194″
Uncertainty0
Orbit TypeApollo
MOID0.011058 AU
Observations Used984
Radar Obs Used4
Oppositions7
Arc Total2005-2026
First Observation Used2005-10-24
Last Observation Used2026-01-10
Observations (1143)
Date Type RA Dec Mag Band Observatory
2005-10-24 08:52:28 C 02 04 15.99 +11 52 46.7 r G96
2005-10-24 09:02:32 C 02 04 15.38 +11 52 43.2 r G96
2005-10-24 09:12:36 C 02 04 14.84 +11 52 40.2 r G96
2005-10-24 09:22:43 C 02 04 14.23 +11 52 36.9 r G96
2005-10-24 10:13:29 C 02 04 11.29 +11 52 20.7 r G96
2005-10-24 10:20:32 C 02 04 10.88 +11 52 17.9 r G96
2005-10-24 10:27:33 C 02 04 10.52 +11 52 16.0 r G96
2005-10-25 05:38:36 C 02 03 05.31 +11 46 12.9 d 291
2005-10-25 05:44:07 C 02 03 05.00 +11 46 11.0 d 291
2005-10-25 05:49:25 C 02 03 04.68 +11 46 09.2 d 291
2005-10-25 07:09:42 C 02 03 00.00 +11 45 43.0 r G96
2005-10-25 07:18:16 C 02 02 59.49 +11 45 40.3 r G96
2005-10-25 07:26:53 C 02 02 58.95 +11 45 37.4 r G96
2005-10-25 07:35:30 C 02 02 58.48 +11 45 34.7 r G96
2005-10-27 07:24:08 C 02 00 12.78 +11 30 09.5 r G96
2005-10-27 07:33:46 C 02 00 12.16 +11 30 06.3 r G96
2005-10-28 10:20:40 C 01 58 38.21 +11 21 20.5 F65
2005-10-28 10:23:00 C 01 58 38.05 +11 21 19.7 F65
2005-10-28 10:25:07 C 01 58 37.91 +11 21 18.2 F65
2005-10-28 10:27:07 C 01 58 37.82 +11 21 18.1 F65
2005-10-29 06:05:33 C 01 57 28.61 +11 14 47.2 d 291
2005-10-29 06:13:08 C 01 57 28.13 +11 14 44.3 d 291
2005-10-29 06:19:25 C 01 57 27.74 +11 14 42.3 d 291
2005-10-29 07:24:59 C 01 57 23.79 +11 14 19.6 r G96
2005-10-29 07:36:10 C 01 57 23.11 +11 14 16.3 r G96
2005-10-30 00:10:42 C 01 56 24.30 +11 08 43.5 o 198
2005-10-30 00:13:45 C 01 56 24.11 +11 08 42.4 o 198
2005-10-30 00:16:47 C 01 56 23.93 +11 08 41.4 o 198
2005-10-30 00:19:49 C 01 56 23.74 +11 08 40.3 o 198
2005-10-30 03:58:18 C 01 56 11.01 +11 07 29.8 o 715
2005-10-30 04:20:14 C 01 56 09.86 +11 07 21.0 o 715
2005-10-30 07:46:26 C 01 55 57.34 +11 06 12.0 o 696
2005-10-30 08:12:13 C 01 55 55.77 +11 06 03.6 o 696
2005-11-06 07:49:49 C 01 45 55.88 +10 08 55.1 d 291
2005-11-06 07:55:37 C 01 45 55.55 +10 08 53.4 d 291
2005-11-06 08:01:37 C 01 45 55.19 +10 08 51.0 d 291
2005-11-07 12:03:04 C 01 44 15.40 +09 59 15.9 F65
2005-11-07 12:04:58 C 01 44 15.28 +09 59 15.5 F65
2005-11-07 12:06:52 C 01 44 15.13 +09 59 15.2 F65
2005-11-07 12:08:47 C 01 44 15.07 +09 59 15.0 F65
2005-11-20 02:53:58 C 01 27 25.29 +08 20 18.6 c 682
2005-11-20 03:36:26 C 01 27 22.96 +08 20 05.6 c 682
2005-11-20 04:20:46 C 01 27 20.78 +08 19 53.3 c 682
2005-11-21 03:24:52 C 01 26 11.65 +08 13 00.7 r 715
2005-11-21 03:43:01 C 01 26 10.69 +08 12 54.9 r 715
2005-11-21 04:02:08 C 01 26 09.73 +08 12 49.5 r 715
2005-11-25 05:46:41 C 01 21 32.79 +07 45 15.2 r G96
2005-11-25 05:56:24 C 01 21 32.36 +07 45 12.6 r G96
2005-11-25 06:06:09 C 01 21 31.93 +07 45 09.6 r G96
2005-11-25 06:15:51 C 01 21 31.50 +07 45 07.3 r G96
Radar Observations (5)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2014-05-19 22:00:00 34179.035 0.1 Hz 2380 -1 -1
2014-05-19 22:35:00 94512912.66 4 us 2380 -1 -1
2014-05-19 23:38:00 94464208.72 1 us 2380 -1 -1
2014-05-19 23:38:00 28999.5578 0.03 Hz 2380 -1 -1
2014-05-21 23:49:00 94922618.01 0.5 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)