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
2005-11-29 04:24:10 C 01 17 33.25 +07 21 15.0 r G96
2005-11-29 04:33:44 C 01 17 32.85 +07 21 13.4 r G96
2005-11-29 04:43:14 C 01 17 32.53 +07 21 10.9 r G96
2005-11-29 04:53:03 C 01 17 31.95 +07 21 08.7 r G96
2005-12-01 03:12:57 C 01 15 45.96 +07 10 30.9 d 291
2005-12-01 03:22:52 C 01 15 45.55 +07 10 28.4 d 291
2005-12-01 03:32:06 C 01 15 45.22 +07 10 26.6 d 291
2005-12-08 04:51:29 C 01 10 24.41 +06 38 18.7 d 291
2005-12-08 04:59:09 C 01 10 24.13 +06 38 18.0 d 291
2005-12-08 05:07:40 C 01 10 23.95 +06 38 16.8 d 291
2005-12-21 04:51:03 C 01 05 25.24 +06 09 01.7 d 291
2005-12-21 05:19:58 C 01 05 25.07 +06 09 00.6 d 291
2005-12-21 05:48:23 C 01 05 24.82 +06 09 00.0 d 291
2006-01-10 03:27:38 C 01 09 49.88 +06 38 36.9 d 291
2006-01-10 03:37:55 C 01 09 50.11 +06 38 39.5 d 291
2006-01-21 02:53:33 C 01 17 55.43 +07 29 04.3 d 291
2006-01-21 02:59:21 C 01 17 55.69 +07 29 04.2 d 291
2006-01-21 03:10:42 C 01 17 56.09 +07 29 08.1 d 291
2006-02-02 02:07:01 C 01 30 51.68 +08 47 13.4 d 291
2006-02-02 02:16:26 C 01 30 52.19 +08 47 15.5 d 291
2006-02-02 02:24:09 C 01 30 52.71 +08 47 18.1 d 291
2006-06-14 03:06:40 C 09 43 25.49 +14 20 04.3 r 734
2006-06-14 03:13:19 C 09 43 27.20 +14 19 54.6 r 734
2006-06-14 03:19:33 C 09 43 29.10 +14 19 43.0 r 734
2006-07-21 03:39:53 C 13 26 47.26 -07 54 29.8 o 696
2006-07-21 03:44:40 C 13 26 48.19 -07 54 35.6 o 696
2006-08-11 06:35:46 C 14 52 26.907 -15 26 39.03 o 568
2006-08-11 06:38:12 C 14 52 27.257 -15 26 40.65 o 568
2009-09-17 08:14:53 C 02 56 34.02 +16 15 16.8 o 291
2009-09-18 07:46:51 C 02 56 22.84 +16 14 06.0 o 291
2009-09-18 08:15:02 C 02 56 22.54 +16 14 04.7 o 291
2009-09-18 08:39:51 C 02 56 22.31 +16 14 03.3 o 291
2009-10-16 13:39:57 C 02 37 24.19 +14 36 27.4 o F65
2009-10-16 13:42:36 C 02 37 24.03 +14 36 27.1 o F65
2009-10-24 05:04:11 C 02 27 47.70 +13 47 01.0 o 691
2009-10-24 05:28:55 C 02 27 46.28 +13 46 53.6 o 691
2009-10-24 05:53:39 C 02 27 44.84 +13 46 46.2 o 691
2009-11-24 03:10:35 C 01 41 34.69 +09 33 11.4 r G96
2009-11-24 03:18:55 C 01 41 34.26 +09 33 08.4 r G96
2009-11-24 03:27:25 C 01 41 33.79 +09 33 05.6 r G96
2009-11-24 03:36:12 C 01 41 33.28 +09 33 03.0 r G96
2010-01-16 02:19:05 C 01 23 32.53 +07 54 05.3 r G96
2010-01-16 02:28:01 C 01 23 32.82 +07 54 07.3 r G96
2010-01-16 02:37:09 C 01 23 33.03 +07 54 08.6 r G96
2010-01-16 02:46:20 C 01 23 33.32 +07 54 11.1 r G96
2010-02-17 02:43:05 C 02 03 50.11 +11 47 19.9 r G96
2010-02-17 02:51:25 C 02 03 50.68 +11 47 23.6 r G96
2010-02-17 02:59:48 C 02 03 51.30 +11 47 27.1 r G96
2010-02-17 03:08:15 C 02 03 51.91 +11 47 30.3 r G96
2010-06-16 03:21:07 C 11 46 12.57 +03 28 08.5 u 448
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)