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
2010-06-16 03:30:10 C 11 46 15.52 +03 27 50.1 u 448
2010-06-16 03:38:05 C 11 46 18.16 +03 27 32.6 u 448
2010-06-28 00:17:36 C 13 09 17.446 -05 24 34.27 n 309
2010-06-28 00:19:47 C 13 09 17.981 -05 24 37.93 n 309
2010-06-28 00:22:15 C 13 09 18.628 -05 24 42.20 n 309
2010-06-28 00:24:16 C 13 09 19.059 -05 24 44.98 n 309
2010-06-28 00:26:12 C 13 09 19.552 -05 24 47.74 n 309
2010-06-28 00:28:38 C 13 09 20.061 -05 24 51.34 n 309
2010-06-28 00:32:48 C 13 09 21.077 -05 24 57.90 n 309
2010-06-28 00:36:39 C 13 09 22.151 -05 25 04.27 n 309
2010-06-28 00:41:02 C 13 09 23.180 -05 25 10.66 n 309
2013-09-26 09:58:14 C 03 17 49.27 +17 34 21.6 q G96
2013-09-26 10:08:22 C 03 17 49.15 +17 34 21.2 q G96
2013-09-26 10:18:33 C 03 17 49.03 +17 34 20.8 q G96
2013-09-26 10:28:37 C 03 17 48.94 +17 34 20.6 q G96
2013-10-08 08:40:17 C 03 12 45.22 +17 08 21.6 o 691
2013-10-08 09:06:02 C 03 12 44.52 +17 08 18.8 o 691
2013-10-08 09:31:49 C 03 12 43.78 +17 08 15.6 o 691
2013-10-12 09:25:20 C 03 09 49.72 +16 54 27.2 o 691
2013-10-12 09:50:51 C 03 09 48.81 +16 54 22.7 o 691
2013-10-23 08:20:30 C 02 58 40.14 +16 01 55.0 o 691
2013-10-23 08:46:01 C 02 58 38.85 +16 01 48.5 o 691
2013-10-23 09:11:32 C 02 58 37.43 +16 01 41.7 o 691
2013-10-31 09:01:16 C 02 47 39.17 +15 09 08.5 q G96
2013-10-31 09:11:00 C 02 47 38.58 +15 09 05.9 q G96
2013-10-31 09:20:44 C 02 47 37.94 +15 09 02.5 q G96
2013-10-31 09:30:27 C 02 47 37.29 +15 08 59.5 q G96
2013-11-04 15:43:56 C 02 40 58.05 +14 36 22.4 q D29
2013-11-04 16:06:50 C 02 40 56.47 +14 36 14.4 q D29
2013-11-04 16:29:45 C 02 40 54.88 +14 36 06.6 q D29
2013-11-06 07:36:47 C 02 38 14.81 +14 22 53.6 q 703
2013-11-06 07:45:36 C 02 38 14.28 +14 22 49.1 q 703
2013-11-06 08:03:09 C 02 38 13.14 +14 22 43.9 q 703
2013-11-12 04:06:11 C 02 28 18.25 +13 32 33.4 q G96
2013-11-12 04:19:00 C 02 28 17.31 +13 32 28.4 q G96
2013-11-12 04:28:00 C 02 28 16.64 +13 32 25.2 q G96
2013-11-12 04:36:59 C 02 28 15.95 +13 32 21.7 q G96
2013-11-25 06:01:37 C 02 05 43.836 +11 33 24.62 L F51
2013-11-25 06:23:18 C 02 05 42.297 +11 33 16.60 L F51
2013-11-25 06:44:53 C 02 05 40.759 +11 33 08.58 L F51
2013-11-25 07:06:31 C 02 05 39.216 +11 33 00.63 L F51
2013-11-26 05:38:17 C 02 04 06.867 +11 24 37.57 L F51
2013-11-26 05:56:28 C 02 04 05.598 +11 24 31.02 L F51
2013-11-26 06:02:30 C 02 04 05.172 +11 24 28.81 L F51
2013-11-26 06:07:57 C 02 04 04.789 +11 24 26.82 L F51
2013-12-25 03:08:41 C 01 32 25.99 +08 28 53.4 q G96
2013-12-25 03:20:56 C 01 32 25.76 +08 28 52.2 q G96
2013-12-25 03:33:10 C 01 32 25.50 +08 28 51.0 q G96
2013-12-25 03:45:25 C 01 32 25.26 +08 28 49.8 q G96
2014-01-28 02:39:15 C 01 44 16.23 +09 45 17.3 q 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)