2018 QU1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5424826000
Semi-major axis (a)1.8825003000 AU
Inclination (i)5.60331000°
Long. of Asc. Node (Ω)334.17819000°
Arg. of Perihelion (ω)70.26051000°
Mean Anomaly (M)267.43843000°
Mean Motion (n)0.3815939500°/day
Perihelion dist (q)0.86127660 AU
Aphelion dist (Q)2.90372400 AU
Orbital Period2.58287020 yr
Physical Parameters
H (abs. magnitude)22.80
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date2026-04-13
RMS Residual0.450″
Uncertainty5
Orbit TypeApollo
MOID0.026353 AU
Observations Used174
Radar Obs Used2
Oppositions1
Arc Total
First Observation Used
Last Observation Used2018-09-12
Observations (174)
Date Type RA Dec Mag Band Observatory
2018-08-06 12:26:52 C 22 25 51.934 -17 38 55.99 V F51
2018-08-21 10:23:11 C 22 29 05.214 -13 46 58.90 V F51
2018-08-21 10:40:38 C 22 29 05.036 -13 46 38.62 V F51
2018-08-21 10:58:07 C 22 29 04.859 -13 46 17.95 V F51
2018-08-30 11:57:32 C 22 30 23.47 -06 09 44.2 U T08
2018-08-30 12:11:58 C 22 30 23.26 -06 08 50.9 U T08
2018-08-30 12:26:21 C 22 30 23.04 -06 07 58.3 U T08
2018-08-30 12:40:49 C 22 30 22.87 -06 07 04.7 U T08
2018-08-30 20:50:02 C 22 30 33.99 -05 36 48.8 q K63
2018-08-30 20:55:38 C 22 30 33.95 -05 36 26.7 q K63
2018-08-30 21:01:15 C 22 30 33.89 -05 36 05.2 q K63
2018-08-30 21:22:15 C 22 30 33.72 -05 34 43.5 q K63
2018-08-30 21:28:36 C 22 30 33.67 -05 34 19.3 q K63
2018-08-30 21:37:46 C 22 30 33.59 -05 33 43.4 q K63
2018-08-31 00:57:23 C 22 30 30.47 -05 20 40.5 q 585
2018-08-31 00:58:25 C 22 30 30.48 -05 20 36.2 q 585
2018-08-31 00:59:28 C 22 30 30.47 -05 20 32.2 q 585
2018-08-31 01:00:31 C 22 30 30.46 -05 20 27.9 q 585
2018-08-31 01:01:34 C 22 30 30.45 -05 20 23.8 q 585
2018-08-31 01:02:37 C 22 30 30.45 -05 20 19.4 q 585
2018-08-31 01:04:11 C 22 30 30.44 -05 20 13.1 q 585
2018-08-31 01:47:53 C 22 30 32.91 -05 16 52.2 q G40
2018-08-31 02:07:50 C 22 30 32.61 -05 15 31.7 q G40
2018-08-31 02:28:01 C 22 30 32.31 -05 14 10.4 q G40
2018-08-31 03:03:49 C 22 30 38.92 -05 11 58.2 U H36
2018-08-31 03:10:24 C 22 30 38.91 -05 11 31.8 U H36
2018-08-31 03:12:42 C 22 30 38.04 -05 11 18.9 V W34
2018-08-31 03:16:58 C 22 30 38.89 -05 11 04.9 U H36
2018-08-31 03:27:02 C 22 30 37.89 -05 10 20.8 V W34
2018-08-31 03:41:37 C 22 30 37.73 -05 09 22.0 V W34
2018-08-31 03:54:25 C 22 30 37.95 -05 08 35.2 u H21
2018-08-31 03:58:03 C 22 30 37.92 -05 08 20.4 u H21
2018-08-31 04:01:08 C 22 30 37.88 -05 08 07.9 u H21
2018-08-31 04:07:00 C 22 30 37.80 -05 07 44.1 u H21
2018-08-31 04:09:57 C 22 30 37.77 -05 07 32.2 u H21
2018-08-31 04:12:53 C 22 30 37.74 -05 07 20.4 u H21
2018-08-31 04:15:50 C 22 30 37.72 -05 07 08.4 u H21
2018-08-31 04:18:58 C 22 30 37.67 -05 06 55.5 u H21
2018-08-31 05:43:54 C 22 30 38.92 -05 00 57.2 V I52
2018-08-31 05:45:48 C 22 30 38.88 -05 00 49.2 V I52
2018-08-31 05:45:59 C 22 30 38.90 -05 00 48.6 V I52
2018-08-31 05:47:39 C 22 30 38.86 -05 00 41.8 V I52
2018-08-31 07:10:19 C 22 30 35.55 -04 55 08.2 u H21
2018-08-31 07:14:49 C 22 30 35.48 -04 54 49.3 u H21
2018-08-31 07:19:11 C 22 30 35.44 -04 54 31.1 u H21
2018-08-31 07:24:25 C 22 30 35.38 -04 54 09.2 u H21
2018-08-31 21:41:17 C 22 30 49.78 -03 51 41.0 V J69
2018-08-31 21:46:38 C 22 30 49.71 -03 51 16.3 V J69
2018-08-31 21:52:00 C 22 30 49.71 -03 50 51.3 V J69
2018-08-31 21:57:20 C 22 30 49.68 -03 50 26.2 V J69
Radar Observations (2)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2018-09-08 02:55:00 124858.6757 0.1 Hz 2380 -1 -1
2018-09-08 03:18:00 35391590.11 4 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)