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
2021-11-07 08:04:21 C 04 00 13.13 +19 12 01.7 V 703
2021-11-07 08:11:59 C 04 00 12.73 +19 11 59.6 V 703
2021-11-07 08:14:55 C 04 00 13.086 +19 12 00.56 U F52
2021-11-07 08:32:17 C 04 00 12.151 +19 11 57.22 U F52
2021-11-07 08:49:36 C 04 00 11.209 +19 11 53.90 U F52
2021-11-08 19:48:58 C 03 58 17.74 +19 04 37.5 V D29
2021-11-08 20:09:20 C 03 58 16.52 +19 04 33.2 V D29
2021-11-08 20:29:42 C 03 58 15.39 +19 04 28.2 V D29
2021-11-11 08:24:59 C 03 54 45.920 +18 51 01.61 U F52
2021-11-11 08:43:13 C 03 54 44.749 +18 50 57.40 U F52
2021-11-11 09:01:30 C 03 54 43.574 +18 50 53.20 U F52
2021-11-11 09:19:49 C 03 54 42.390 +18 50 49.01 U F52
2021-11-11 15:04:24 C 03 54 21.082 +18 49 35.26 V P07
2021-11-11 16:10:22 C 03 54 16.762 +18 49 18.34 V P07
2021-11-11 16:15:01 C 03 54 16.459 +18 49 17.54 V P07
2021-11-11 17:10:30 C 03 54 12.804 +18 49 04.30 V P07
2021-11-11 18:09:39 C 03 54 08.942 +18 48 50.62 V P07
2021-11-11 19:07:34 C 03 54 05.105 +18 48 35.68 V P07
2021-11-13 06:25:11 C 03 51 49.35 +18 39 38.8 V 703
2021-11-13 06:33:21 C 03 51 48.81 +18 39 37.1 V 703
2021-11-13 06:41:32 C 03 51 48.17 +18 39 34.6 V 703
2021-11-13 06:49:43 C 03 51 47.70 +18 39 31.9 V 703
2021-11-13 15:32:33 C 03 51 12.900 +18 37 28.42 V P07
2021-11-13 16:41:14 C 03 51 08.023 +18 37 10.38 V P07
2021-11-13 17:38:16 C 03 51 03.979 +18 36 55.48 V P07
2021-11-13 18:43:41 C 03 50 59.357 +18 36 38.12 V P07
2021-11-13 19:43:34 C 03 50 55.166 +18 36 22.03 V P07
2021-11-15 06:46:30 C 03 48 30.19 +18 26 46.1 V G96
2021-11-15 06:54:42 C 03 48 29.57 +18 26 43.7 V G96
2021-11-15 07:02:53 C 03 48 28.98 +18 26 41.7 V G96
2021-11-15 07:11:04 C 03 48 28.36 +18 26 39.3 V G96
2021-11-23 10:55:13 C 03 32 45.321 +17 24 00.30 U F52
2021-11-23 11:13:44 C 03 32 43.610 +17 23 53.48 U F52
2021-11-23 11:50:36 C 03 32 40.201 +17 23 39.71 U F52
2021-11-25 09:46:11 C 03 28 30.41 +17 06 27.6 V T05
2021-11-25 09:50:49 C 03 28 29.97 +17 06 26.1 V T05
2021-11-25 10:00:05 C 03 28 29.12 +17 06 22.2 V T05
2021-11-25 10:14:43 C 03 28 27.67 +17 06 16.6 V T05
2021-11-25 15:17:22 C 03 27 59.806 +17 04 29.96 V P07
2021-11-25 16:16:50 C 03 27 54.072 +17 04 06.53 V P07
2021-11-25 17:16:07 C 03 27 48.322 +17 03 43.60 V P07
2021-11-25 18:11:44 C 03 27 42.991 +17 03 20.88 V P07
2021-11-27 04:50:30 C 03 24 27.71 +16 49 26.4 V 703
2021-11-27 04:58:13 C 03 24 26.94 +16 49 23.3 V 703
2021-11-27 05:05:56 C 03 24 26.18 +16 49 20.4 V 703
2021-11-27 05:13:40 C 03 24 25.41 +16 49 16.4 V 703
2021-11-27 10:19:47 C 03 23 55.64 +16 47 16.3 V T08
2021-11-27 10:24:26 C 03 23 55.22 +16 47 14.1 V T08
2021-11-27 10:32:24 C 03 23 54.36 +16 47 11.3 V T08
2021-11-27 10:46:59 C 03 23 52.91 +16 47 04.8 V T08
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)