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
2025-12-12 16:22:41 C 04 39 12.982 +18 36 20.20 V P07
2025-12-12 17:20:02 C 04 39 06.058 +18 35 51.76 V P07
2025-12-12 17:32:02 C 04 39 07.241 +18 35 09.38 V M52
2025-12-12 17:39:15 C 04 39 03.722 +18 35 42.72 V P07
2025-12-12 18:13:59 C 04 39 02.448 +18 34 50.99 V M52
2025-12-12 18:19:22 C 04 38 58.942 +18 35 22.92 V P07
2025-12-12 22:00:22 B 04 38 35.51 +18 33 05.3 X R93
2025-12-12 22:01:36 B 04 38 35.36 +18 33 04.6 X R93
2025-12-12 22:02:47 B 04 38 35.23 +18 33 04.1 X R93
2025-12-12 22:04:00 B 04 38 35.09 +18 33 03.6 X R93
2025-12-12 22:05:13 B 04 38 34.93 +18 33 03.0 X R93
2025-12-13 08:46:34 C 04 37 19.816 +18 27 55.98 V 703
2025-12-13 08:49:47 C 04 37 19.355 +18 27 54.04 V 703
2025-12-13 08:53:00 C 04 37 18.959 +18 27 52.49 V 703
2025-12-13 08:56:13 C 04 37 18.559 +18 27 50.98 V 703
2025-12-13 15:14:48 C 04 36 35.15 +18 24 43.4 V D29
2025-12-13 15:35:10 C 04 36 32.57 +18 24 33.1 V D29
2025-12-13 15:55:32 C 04 36 29.91 +18 24 20.9 V D29
2025-12-13 18:02:24 C 04 36 16.800 +18 23 09.89 V M52
2025-12-13 18:09:17 C 04 36 15.739 +18 23 01.93 Z C23
2025-12-13 18:12:11 C 04 36 15.396 +18 23 00.35 Z C23
2025-12-13 18:44:37 C 04 36 11.462 +18 22 44.58 Z C23
2025-12-13 18:51:51 C 04 36 10.745 +18 22 46.16 V M52
2025-12-13 19:39:52 C 04 36 04.596 +18 22 17.51 Z C23
2025-12-13 20:00:05 B 04 36 01.994 +18 22 07.28 V L65
2025-12-13 20:04:17 B 04 36 01.476 +18 22 05.20 V L65
2025-12-13 20:08:28 B 04 36 00.946 +18 22 03.07 V L65
2025-12-13 20:14:57 B 04 36 00.252 +18 22 04.35 V 160
2025-12-13 20:19:11 B 04 35 59.712 +18 22 02.25 V 160
2025-12-13 20:23:21 B 04 35 59.184 +18 22 00.25 V 160
2025-12-14 06:51:24 C 04 34 43.397 +18 16 46.53 X F51
2025-12-14 07:07:25 C 04 34 41.326 +18 16 37.82 X F51
2025-12-14 07:23:27 C 04 34 39.199 +18 16 30.39 X F51
2025-12-14 07:39:33 C 04 34 37.077 +18 16 22.31 X F51
2025-12-14 19:17:56 B 04 33 09.910 +18 09 53.90 V 160
2025-12-14 19:23:38 B 04 33 09.155 +18 09 50.82 V 160
2025-12-14 19:28:29 B 04 33 08.513 +18 09 48.15 V 160
2025-12-15 03:18:34 C 04 32 05.760 +18 05 22.34 Z C23
2025-12-15 03:26:47 C 04 32 04.464 +18 05 15.50 Z C23
2025-12-15 10:09:29 C 04 31 12.986 +18 01 53.18 V T08
2025-12-15 10:14:05 C 04 31 12.331 +18 01 50.48 V T08
2025-12-15 10:25:01 C 04 31 10.793 +18 01 44.15 V T08
2025-12-15 10:39:09 C 04 31 08.798 +18 01 35.83 V T08
2025-12-15 12:59:39 C 04 30 52.08 +18 00 07.1 V D29
2025-12-15 13:20:01 C 04 30 49.23 +17 59 55.7 V D29
2025-12-15 13:40:23 C 04 30 46.35 +17 59 44.4 V D29
2025-12-16 05:31:46 C 04 28 37.304 +17 50 24.86 V 703
2025-12-16 05:35:01 C 04 28 36.833 +17 50 22.99 V 703
2025-12-16 05:38:17 C 04 28 36.347 +17 50 20.90 V 703
2025-12-16 05:41:32 C 04 28 35.868 +17 50 19.03 V 703
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)