308242 (2005 GO21)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3399039890 ± 1.98e-08
Semi-major axis (a)0.7532653249 AU ± 4.84e-10
Inclination (i)24.92743501° ± 2.29e-06
Long. of Asc. Node (Ω)272.66917398° ± 7.44e-07
Arg. of Perihelion (ω)156.64470316° ± 3.90e-06
Mean Anomaly (M)47.30509206° ± 6.89e-06
Mean Motion (n)1.5076145224°/day ± 1.45e-09
Perihelion dist (q)0.49722744 AU ± 1.49e-08
Aphelion dist (Q)1.00930321 AU ± 1.49e-08
Orbital Period0.65376545 yr ± 6.31e-10
Physical Parameters
H (abs. magnitude)16.18
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.165″
Uncertainty0
Orbit TypeAten
MOID0.045073 AU
Observations Used523
Radar Obs Used8
Gaia Obs Used46
Oppositions6
Arc Total2005-2025
First Observation Used2005-04-01
Last Observation Used2025-08-31
Observations (550)
Date Type RA Dec Mag Band Observatory
2025-06-21 18:56:32 C 10 28 09.667 -19 15 27.07 V M22
2025-06-21 19:00:38 C 10 28 10.555 -19 15 22.00 V M22
2025-06-21 19:09:57 C 10 28 12.576 -19 15 10.73 V M22
2025-06-21 19:27:56 C 10 28 16.459 -19 14 48.84 V M22
2025-06-22 18:09:44 C 10 33 14.210 -18 47 36.02 V M22
2025-06-22 18:17:33 C 10 33 15.898 -18 47 26.34 V M22
2025-06-22 18:21:16 C 10 33 16.670 -18 47 22.20 V M22
2025-06-22 18:25:19 C 10 33 17.587 -18 47 17.12 V M22
2025-06-27 00:47:03 C 10 54 56.323 -16 40 33.82 V W68
2025-06-27 00:51:02 C 10 54 57.134 -16 40 28.45 V W68
2025-06-27 01:10:59 C 10 55 01.181 -16 40 02.89 V W68
2025-06-27 01:30:25 C 10 55 05.112 -16 39 37.98 V W68
2025-06-27 02:19:15 C 10 55 15.029 -16 38 35.38 V W68
2025-06-29 18:40:21 C 11 08 13.889 -15 16 38.82 V M22
2025-06-29 18:44:17 C 11 08 14.650 -15 16 33.64 V M22
2025-06-29 18:51:32 C 11 08 16.068 -15 16 24.06 V M22
2025-06-29 19:06:00 C 11 08 18.895 -15 16 05.52 V M22
2025-06-30 16:49:19 C 11 12 35.563 -14 48 13.03 V M22
2025-06-30 16:56:30 C 11 12 36.895 -14 48 03.42 V M22
2025-06-30 17:24:05 C 11 12 42.134 -14 47 27.96 V M22
2025-06-30 17:42:26 C 11 12 45.624 -14 47 03.62 V M22
2025-06-30 18:06:49 C 11 12 50.290 -14 46 32.23 V M22
2025-07-02 23:37:14 C 11 23 06.175 -13 37 28.49 V W68
2025-07-02 23:47:08 C 11 23 07.978 -13 37 15.85 V W68
2025-07-02 23:51:44 C 11 23 08.839 -13 37 09.30 V W68
2025-07-03 00:22:11 C 11 23 14.448 -13 36 29.66 V W68
2025-07-07 19:02:33 C 11 44 03.564 -11 08 02.98 V M22
2025-07-07 19:03:51 C 11 44 03.804 -11 08 01.18 V M22
2025-07-07 19:07:08 C 11 44 04.361 -11 07 57.32 V M22
2025-07-07 19:08:26 C 11 44 04.584 -11 07 55.34 V M22
2025-07-07 19:15:01 C 11 44 05.714 -11 07 46.96 V M22
2025-07-07 19:18:57 C 11 44 06.350 -11 07 41.99 V M22
2025-07-07 19:38:03 C 11 44 09.682 -11 07 16.72 V M22
2025-07-07 19:45:59 C 11 44 11.047 -11 07 06.31 V M22
2025-07-08 17:21:34 C 11 47 56.102 -10 39 16.27 V M22
2025-07-08 17:26:48 C 11 47 56.959 -10 39 09.65 V M22
2025-07-08 17:35:19 C 11 47 58.435 -10 38 58.06 V M22
2025-07-08 18:00:48 C 11 48 02.686 -10 38 25.44 V M22
2025-07-10 01:18:18 C 11 53 21.850 -09 58 09.52 V W68
2025-07-10 01:22:53 C 11 53 22.584 -09 58 03.47 V W68
2025-07-10 01:48:46 C 11 53 26.892 -09 57 29.95 V W68
2025-07-10 01:56:48 C 11 53 28.229 -09 57 19.04 V W68
2025-07-10 19:13:02 C 11 56 21.624 -09 35 10.14 V M22
2025-07-10 19:14:19 C 11 56 21.768 -09 35 08.77 V M22
2025-07-10 19:18:56 C 11 56 22.579 -09 35 02.51 V M22
2025-07-10 19:53:58 C 11 56 28.313 -09 34 16.39 V M22
2025-07-12 17:25:00 C 12 03 55.260 -08 36 10.80 V M22
2025-07-12 17:29:33 C 12 03 55.958 -08 36 04.93 V M22
2025-07-12 17:37:24 C 12 03 57.206 -08 35 54.64 V M22
2025-07-14 06:11:50 C 12 09 45.300 -07 49 48.36 V T08
Radar Observations (8)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2012-06-16 17:40:00 501233.664 2 Hz 8560 -14 -14
2012-06-16 18:00:00 498963.932 1 Hz 8560 -14 -14
2012-06-16 18:30:00 58163227.84 10 us 8560 -14 -14
2012-06-16 19:10:00 58024944.24 1 us 8560 -14 -14
2012-06-17 18:10:00 53527602.23 1 us 8560 -14 -14
2012-06-22 17:00:00 44438830.6 2.5 us 2380 -1 -1
2012-06-25 17:55:00 53578155.31 3 us 2380 -1 -1
2014-06-18 12:46:00 217960333.39 4 us 2380 -1 -1
Station codes
-14 DSS-14 Goldstone (70-m) -1 Arecibo (305-m, 1963–2020)