455554 (2004 MQ1)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7048324132 ± 1.88e-08
Semi-major axis (a)2.4074175786 AU ± 6.15e-09
Inclination (i)11.12358932° ± 2.54e-06
Long. of Asc. Node (Ω)56.96645529° ± 1.98e-05
Arg. of Perihelion (ω)332.10353084° ± 1.97e-05
Mean Anomaly (M)241.36517585° ± 3.75e-06
Mean Motion (n)0.2638670338°/day ± 1.01e-09
Perihelion dist (q)0.71059164 AU ± 4.53e-08
Aphelion dist (Q)4.10424352 AU ± 4.64e-08
Orbital Period3.73531422 yr ± 1.43e-08
Physical Parameters
H (abs. magnitude)18.02
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.204″
Uncertainty0
Orbit TypeApollo
MOID0.122430 AU
Observations Used234
Radar Obs Used2
Oppositions8
Arc Total2004-2020
First Observation Used2004-06-17
Last Observation Used2020-03-05
Observations (270)
Date Type RA Dec Mag Band Observatory
2016-01-11 00:54:43 C 00 33 22.30 +73 15 34.4 q H45
2016-01-11 00:55:40 C 00 33 23.86 +73 15 38.2 q H45
2016-01-11 00:56:50 C 00 33 25.82 +73 15 42.6 q H45
2016-01-13 01:57:44 C 02 01 58.52 +74 58 39.2 q H45
2016-01-13 01:58:37 C 02 02 00.11 +74 58 39.8 q H45
2016-01-13 01:59:45 C 02 02 02.03 +74 58 40.3 q H45
2016-01-13 02:00:41 C 02 02 03.67 +74 58 41.0 q H45
2016-01-13 02:02:55 C 02 02 07.68 +74 58 42.2 q H45
2016-01-13 02:03:51 C 02 02 09.30 +74 58 42.7 q H45
2016-01-18 04:19:37 C 04 46 39.92 +71 41 18.2 q 703
2016-01-18 04:26:59 C 04 46 45.89 +71 40 58.0 q 703
2016-01-18 04:34:20 C 04 46 51.95 +71 40 37.6 q 703
2016-01-18 04:41:43 C 04 46 57.76 +71 40 16.8 q 703
2016-01-19 07:15:28 C 05 07 10.400 +70 25 40.29 L F51
2016-01-19 07:34:18 C 05 07 22.748 +70 24 46.71 L F51
2016-01-19 07:53:10 C 05 07 35.113 +70 23 52.90 L F51
2016-01-21 21:33:59 C 05 41 32.65 +67 28 59.7 16.7 u 104
2016-01-21 21:40:59 C 05 41 35.63 +67 28 40.3 16.7 u 104
2016-01-21 21:47:58 C 05 41 38.60 +67 28 20.6 16.7 u 104
2016-01-22 08:53:30 C 05 46 22.00 +66 57 58.2 L T05
2016-01-22 08:57:02 C 05 46 23.41 +66 57 48.1 L T05
2016-01-22 09:24:28 C 05 46 34.17 +66 56 32.5 L T05
2016-01-22 09:53:34 C 05 46 45.41 +66 55 11.4 L T05
2016-01-24 04:42:55 C 06 02 11.50 +65 01 19.3 u H21
2016-01-24 04:46:01 C 06 02 12.48 +65 01 11.3 u H21
2016-01-24 04:49:07 C 06 02 13.40 +65 01 03.1 u H21
2016-01-24 04:52:13 C 06 02 14.33 +65 00 55.1 u H21
2016-01-24 04:55:20 C 06 02 15.27 +65 00 47.1 u H21
2016-01-24 04:58:26 C 06 02 16.16 +65 00 39.1 u H21
2016-01-24 05:01:31 C 06 02 17.11 +65 00 30.9 u H21
2016-01-24 05:04:37 C 06 02 18.04 +65 00 22.8 u H21
2016-01-24 05:07:42 C 06 02 18.97 +65 00 14.8 u H21
2016-01-24 05:10:47 C 06 02 19.93 +65 00 06.7 u H21
2016-01-24 05:13:51 C 06 02 20.87 +64 59 58.8 u H21
2016-01-24 05:17:32 C 06 02 21.96 +64 59 49.1 u H21
2016-01-25 20:27:22 C 06 13 33.64 +63 22 05.5 q C77
2016-01-25 20:31:53 C 06 13 34.74 +63 21 54.6 q C77
2016-01-25 20:37:04 C 06 13 36.02 +63 21 42.1 q C77
2016-01-28 02:55:52 C 06 25 53.22 +61 16 19.8 q I15
2016-01-28 02:57:59 C 06 25 53.60 +61 16 15.2 q I15
2016-01-28 03:00:05 C 06 25 54.02 +61 16 10.4 q I15
2016-01-29 11:07:41 C 06 31 56.40 +60 07 09.1 o D54
2016-01-29 11:22:50 C 06 31 58.80 +60 06 38.0 o D54
2016-01-30 06:35:43 C 06 35 11.16 +59 27 15.9 q H45
2016-01-30 06:36:54 C 06 35 11.38 +59 27 13.8 q H45
2016-01-30 06:38:02 C 06 35 11.51 +59 27 11.2 q H45
2016-01-30 06:39:04 C 06 35 11.68 +59 27 09.4 q H45
2016-01-30 06:40:08 C 06 35 11.92 +59 27 06.7 q H45
2016-01-30 06:41:38 C 06 35 12.08 +59 27 04.3 q H45
2016-02-03 00:24:26 C 06 47 52.84 +56 38 28.7 q I15
Radar Observations (2)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2015-12-26 18:24:00 168081.1579 1 Hz 2380 -1 -1
2015-12-27 18:17:00 158144012.82 4 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)