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
2025-12-27 23:59:41 C 03 30 57.78 +13 06 09.9 X C40
2025-12-28 00:01:09 B 03 31 00.574 +13 07 07.61 X X76
2025-12-28 00:02:55 B 03 31 00.017 +13 07 04.69 X X76
2025-12-28 00:04:26 B 03 30 59.539 +13 07 02.28 X X76
2025-12-28 00:31:02 C 03 30 48.864 +13 05 21.88 W M14
2025-12-28 04:38:56 B 03 29 35.261 +12 58 32.59 W X04
2025-12-28 04:45:24 B 03 29 33.204 +12 58 22.12 W X04
2025-12-28 04:53:58 B 03 29 30.583 +12 58 07.10 W X04
2025-12-28 08:12:33 C 03 28 31.694 +12 53 03.70 V T05
2025-12-28 08:17:08 C 03 28 30.221 +12 52 55.78 V T05
2025-12-28 08:28:13 C 03 28 26.669 +12 52 36.95 V T05
2025-12-28 09:06:33 C 03 28 14.371 +12 51 31.36 V T05
2025-12-28 17:01:14 C 03 25 51.06 +12 37 24.8 Y 557
2025-12-28 17:55:33 C 03 25 33.869 +12 35 48.98 Z C23
2025-12-28 18:00:45 C 03 25 31.85 +12 35 41.6 Y 557
2025-12-28 18:09:51 C 03 25 29.215 +12 35 30.70 X M26
2025-12-28 18:12:04 C 03 25 28.486 +12 35 26.45 X M26
2025-12-28 18:15:24 C 03 25 27.396 +12 35 21.08 X M26
2025-12-28 18:19:17 C 03 25 26.129 +12 35 14.42 X M26
2025-12-28 19:01:16 C 03 25 12.17 +12 33 55.9 Y 557
2025-12-28 19:18:56 B 03 25 06.654 +12 33 29.87 V 160
2025-12-28 19:22:04 B 03 25 05.622 +12 33 24.25 V 160
2025-12-28 19:25:12 B 03 25 04.591 +12 33 18.67 V 160
2025-12-28 19:32:05 C 03 25 02.486 +12 32 59.75 Z C23
2025-12-28 20:00:50 C 03 24 52.66 +12 32 10.5 Y 557
2025-12-28 20:51:34 B 03 24 36.022 +12 30 45.79 W L47
2025-12-28 20:53:01 B 03 24 35.582 +12 30 43.09 W L47
2025-12-28 20:54:30 B 03 24 35.122 +12 30 40.68 W L47
2025-12-28 20:55:57 B 03 24 34.613 +12 30 38.12 W L47
2025-12-28 21:00:55 C 03 24 32.95 +12 30 23.4 Y 557
2025-12-30 17:44:03 B 03 09 18.917 +11 02 27.17 V L65
2025-12-30 17:48:11 B 03 09 17.352 +11 02 18.35 V L65
2025-12-30 17:52:19 B 03 09 15.794 +11 02 09.46 V L65
2025-12-30 18:00:34 C 03 09 12.886 +11 01 53.11 Z C23
2025-12-30 18:04:02 C 03 09 11.602 +11 01 45.44 Z C23
2025-12-30 18:07:29 C 03 09 10.253 +11 01 38.17 Z C23
2025-12-30 19:52:00 C 03 08 30.468 +10 57 51.98 Z C23
2025-12-30 19:53:10 C 03 08 30.012 +10 57 49.75 Z C23
2025-12-30 20:27:50 B 03 08 16.385 +10 56 40.35 V 160
2025-12-30 20:32:29 B 03 08 14.579 +10 56 29.99 V 160
2025-12-30 20:36:44 B 03 08 12.952 +10 56 20.78 V 160
2025-12-30 20:45:11 C 03 08 09.08 +10 55 58.9 X L04
2025-12-30 20:48:14 C 03 08 07.91 +10 55 51.9 X L04
2025-12-30 20:54:53 C 03 08 05.36 +10 55 37.4 X L04
2025-12-31 20:09:38 C 02 59 07.05 +10 01 57.2 X G17
2025-12-31 20:15:07 C 02 59 04.76 +10 01 43.9 X G17
2025-12-31 20:20:25 C 02 59 02.54 +10 01 30.6 X G17
2026-01-01 07:58:16 C 02 54 14.878 +09 32 51.29 V T05
2026-01-01 08:07:34 C 02 54 10.807 +09 32 27.17 V T05
2026-01-01 08:11:39 C 02 54 09.012 +09 32 16.58 V T05
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)