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
2025-12-21 19:56:40 C 04 06 35.551 +16 09 21.20 Z C23
2025-12-21 20:09:34 C 04 06 32.928 +16 09 09.36 Z C23
2025-12-22 04:40:50 C 04 04 52.345 +16 01 20.53 V 703
2025-12-22 04:44:03 C 04 04 51.661 +16 01 17.44 V 703
2025-12-22 04:47:16 C 04 04 50.992 +16 01 14.16 V 703
2025-12-22 04:50:29 C 04 04 50.311 +16 01 11.10 V 703
2025-12-22 09:22:10 C 04 03 54.914 +15 56 57.73 V T05
2025-12-22 10:00:51 C 04 03 46.658 +15 56 19.39 V T05
2025-12-22 10:24:01 C 04 03 41.722 +15 55 56.10 V T05
2025-12-22 10:34:11 C 04 03 39.559 +15 55 45.91 V T05
2025-12-23 13:28:17 C 03 58 04.082 +15 28 44.65 V P07
2025-12-23 13:54:28 C 03 57 58.051 +15 28 16.97 V P07
2025-12-23 14:27:57 C 03 57 50.321 +15 27 40.64 V P07
2025-12-23 14:41:54 C 03 57 47.102 +15 27 25.52 V P07
2025-12-23 15:29:43 C 03 57 36.041 +15 26 33.14 V P07
2025-12-23 21:27:03 B 03 56 18.348 +15 19 03.61 Z R92
2025-12-23 21:49:09 B 03 56 13.238 +15 18 38.99 Z R92
2025-12-23 22:10:57 B 03 56 08.201 +15 18 14.69 Z R92
2025-12-24 02:24:52 C 03 55 12.75 +15 13 39.8 V H21
2025-12-24 02:28:58 C 03 55 11.78 +15 13 35.2 V H21
2025-12-24 02:33:03 C 03 55 10.82 +15 13 30.7 V H21
2025-12-24 02:37:09 C 03 55 09.85 +15 13 26.1 V H21
2025-12-24 02:41:15 C 03 55 08.88 +15 13 21.5 V H21
2025-12-24 02:45:20 C 03 55 07.92 +15 13 16.9 V H21
2025-12-24 13:54:39 C 03 52 34.363 +15 01 14.88 V P07
2025-12-24 14:36:45 C 03 52 23.971 +15 00 24.84 V P07
2025-12-24 15:15:46 C 03 52 14.357 +14 59 38.36 V P07
2025-12-24 15:36:28 C 03 52 09.257 +14 59 13.38 V P07
2025-12-24 21:11:12 B 03 50 50.46 +14 51 35.4 X L76
2025-12-24 21:13:33 B 03 50 49.89 +14 51 32.5 X L76
2025-12-24 21:15:53 B 03 50 49.32 +14 51 29.6 X L76
2025-12-24 21:18:13 B 03 50 48.74 +14 51 26.8 X L76
2025-12-24 21:20:34 B 03 50 48.17 +14 51 23.8 X L76
2025-12-24 21:22:54 B 03 50 47.59 +14 51 20.9 X L76
2025-12-24 21:25:15 B 03 50 47.02 +14 51 18.1 X L76
2025-12-24 21:25:43 B 03 50 48.106 +14 51 14.40 Z R92
2025-12-24 21:27:35 B 03 50 46.44 +14 51 15.1 X L76
2025-12-24 21:29:55 B 03 50 45.86 +14 51 12.3 X L76
2025-12-24 21:32:15 B 03 50 45.30 +14 51 09.3 X L76
2025-12-24 21:34:35 B 03 50 44.72 +14 51 06.4 X L76
2025-12-24 21:36:56 B 03 50 44.15 +14 51 03.5 X L76
2025-12-24 21:39:16 B 03 50 43.57 +14 51 00.7 X L76
2025-12-24 21:41:36 B 03 50 42.99 +14 50 57.7 X L76
2025-12-24 21:43:56 B 03 50 42.43 +14 50 54.9 X L76
2025-12-24 21:47:17 B 03 50 42.782 +14 50 48.26 Z R92
2025-12-24 22:08:51 B 03 50 37.462 +14 50 21.98 Z R92
2025-12-25 13:32:44 C 03 46 53.42 +14 31 20.8 V D29
2025-12-25 13:53:06 C 03 46 48.09 +14 30 54.5 V D29
2025-12-25 14:13:28 C 03 46 42.75 +14 30 28.0 V D29
2025-12-25 16:47:05 C 03 46 06.72 +14 26 50.9 Y 557
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)