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
2021-11-28 07:39:36 C 03 21 51.96 +16 38 28.5 V 703
2021-11-28 07:47:10 C 03 21 51.20 +16 38 25.9 V 703
2021-11-28 07:54:44 C 03 21 50.46 +16 38 22.1 V 703
2021-11-28 08:02:17 C 03 21 49.68 +16 38 19.5 V 703
2021-11-29 05:21:41 C 03 19 45.01 +16 29 23.6 V G96
2021-11-29 05:29:05 C 03 19 44.25 +16 29 20.4 V G96
2021-11-29 05:36:29 C 03 19 43.50 +16 29 17.3 V G96
2021-11-29 05:43:52 C 03 19 42.74 +16 29 14.1 V G96
2021-11-30 05:18:24 C 03 17 22.56 +16 19 09.3 V G96
2021-11-30 05:26:26 C 03 17 21.74 +16 19 05.9 V G96
2021-11-30 05:34:27 C 03 17 20.91 +16 19 02.3 V G96
2021-11-30 05:42:28 C 03 17 20.08 +16 18 58.9 V G96
2021-12-01 06:43:29 C 03 14 49.11 +16 08 03.3 V 703
2021-12-01 06:51:02 C 03 14 48.33 +16 08 00.1 V 703
2021-12-01 06:58:34 C 03 14 47.55 +16 07 56.6 V 703
2021-12-01 07:06:07 C 03 14 46.75 +16 07 53.3 V 703
2021-12-03 20:55:08 C 03 08 28.13 +15 39 54.1 V 130
2021-12-03 21:00:52 C 03 08 27.53 +15 39 51.7 V 130
2021-12-04 07:15:18 C 03 07 23.53 +15 35 10.2 V 703
2021-12-04 07:22:51 C 03 07 22.69 +15 35 07.3 V 703
2021-12-04 07:30:25 C 03 07 21.85 +15 35 02.9 V 703
2021-12-04 07:37:58 C 03 07 21.13 +15 35 00.4 V 703
2021-12-08 05:11:55 C 02 57 36.02 +14 50 28.9 V 703
2021-12-08 05:20:07 C 02 57 35.13 +14 50 24.8 V 703
2021-12-08 05:28:17 C 02 57 34.23 +14 50 20.9 V 703
2021-12-08 05:36:28 C 02 57 33.39 +14 50 16.9 V 703
2021-12-09 00:18:17 C 02 55 36.61 +14 41 08.8 V W46
2021-12-09 00:33:49 C 02 55 34.96 +14 41 01.8 V W46
2021-12-09 01:01:23 C 02 55 31.97 +14 40 48.5 V W46
2021-12-13 07:44:42 C 02 44 50.78 +13 50 11.9 V T08
2021-12-13 08:02:17 C 02 44 48.83 +13 50 03.8 V T08
2021-12-13 08:12:58 C 02 44 47.77 +13 49 58.7 V T08
2021-12-13 08:25:52 C 02 44 46.40 +13 49 51.2 V T08
2021-12-25 06:33:14 C 02 17 22.48 +11 32 34.2 V T08
2021-12-25 06:40:36 C 02 17 21.80 +11 32 31.4 V T08
2021-12-25 06:55:18 C 02 17 20.40 +11 32 24.4 V T08
2021-12-25 07:02:46 C 02 17 19.75 +11 32 20.8 V T08
2021-12-25 10:37:58 C 02 17 01.80 +11 30 40.2 V D29
2021-12-25 11:08:31 C 02 16 59.03 +11 30 26.9 V D29
2021-12-25 11:39:03 C 02 16 56.25 +11 30 13.3 V D29
2021-12-26 11:28:40 C 02 14 54.50 +11 19 40.8 V D29
2021-12-26 12:11:22 C 02 14 50.71 +11 19 21.1 V D29
2021-12-31 15:44:38 S 02 05 04.392 +10 28 04.22 L C51
2022-01-01 01:09:02 S 02 04 22.882 +10 24 24.52 L C51
2022-01-04 04:25:13 C 01 59 06.62 +09 56 15.0 V 703
2022-01-04 04:33:26 C 01 59 06.01 +09 56 11.7 V 703
2022-01-04 04:41:40 C 01 59 05.43 +09 56 09.1 V 703
2022-01-04 04:49:53 C 01 59 04.92 +09 56 06.3 V 703
2022-01-04 06:16:21 C 01 58 58.77 +09 55 34.0 V 703
2022-01-04 06:24:35 C 01 58 58.24 +09 55 31.3 V 703
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)