2012 QG42

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3744934283 ± 2.93e-08
Semi-major axis (a)1.0257494058 AU ± 1.80e-09
Inclination (i)6.80830323° ± 1.05e-06
Long. of Asc. Node (Ω)344.76625830° ± 8.60e-07
Arg. of Perihelion (ω)116.19428088° ± 2.03e-06
Mean Anomaly (M)182.04251951° ± 1.20e-05
Mean Motion (n)0.9487468895°/day ± 2.49e-09
Perihelion dist (q)0.64161299 AU ± 3.00e-08
Aphelion dist (Q)1.40988582 AU ± 3.01e-08
Orbital Period1.03887169 yr ± 2.73e-09
Physical Parameters
H (abs. magnitude)20.90
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.278″
Uncertainty0
Orbit TypeApollo
MOID0.013397 AU
Observations Used2023
Radar Obs Used8
Oppositions1
Arc Total2012-2019
First Observation Used2012-08-26
Last Observation Used2019-05-11
Observations (2170)
Date Type RA Dec Mag Band Observatory
2019-05-06 06:54:22 C 09 19 46.50 -20 50 22.9 V T05
2019-05-06 07:04:37 C 09 19 50.31 -20 50 32.7 V T05
2019-05-06 07:14:06 C 09 19 53.97 -20 50 42.1 V T05
2019-05-07 03:48:10 C 09 27 44.83 -21 11 13.4 o 691
2019-05-07 04:00:01 C 09 27 49.16 -21 11 24.3 o 691
2019-05-07 04:09:57 C 09 27 52.82 -21 11 34.1 o 691
2019-05-08 07:10:10 C 09 37 43.71 -21 35 01.2 V T08
2019-05-08 07:12:57 C 09 37 44.67 -21 35 02.6 V T08
2019-05-08 07:16:28 C 09 37 45.86 -21 35 05.3 V T08
2019-05-08 07:21:21 C 09 37 47.56 -21 35 08.9 V T08
2019-05-08 07:27:39 C 09 37 49.69 -21 35 13.2 V T08
2019-05-08 07:53:04 C 09 37 58.41 -21 35 33.5 V T08
2019-05-10 06:54:21 C 09 53 59.46 -22 09 09.4 V T05
2019-05-10 06:58:28 C 09 54 00.74 -22 09 11.8 V T05
2019-05-10 07:07:49 C 09 54 03.68 -22 09 16.6 V T05
2019-05-10 07:21:59 C 09 54 08.13 -22 09 25.4 V T05
2019-05-11 03:26:32 C 10 00 33.64 -22 21 21.6 V I52
2019-05-11 03:28:53 C 10 00 34.29 -22 21 22.7 V I52
2019-05-11 03:29:14 C 10 00 34.44 -22 21 22.9 V I52
2019-05-11 03:33:56 C 10 00 35.83 -22 21 25.1 V I52
Radar Observations (8)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2012-09-13 05:10:00 196289.173 1.5 Hz 8560 -14 -14
2012-09-13 05:30:00 191811.549 1.5 Hz 8560 -14 -14
2012-09-13 05:40:00 20011910.94 10 us 8560 -14 -14
2012-09-13 06:10:00 19972738.03 2 us 8560 -14 -14
2012-09-14 21:37:00 -36649.1704 0.03 Hz 2380 -1 -1
2012-09-14 21:39:00 19502873.69 4 us 2380 -1 -1
2012-09-15 21:09:00 21746337.13 1.5 us 2380 -1 -1
2012-09-15 21:16:00 -84331.3341 0.05 Hz 2380 -1 -1
Station codes
-14 DSS-14 Goldstone (70-m) -1 Arecibo (305-m, 1963–2020)