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
2016-02-03 00:27:02 C 06 47 53.16 +56 38 24.6 q I15
2016-02-03 00:29:39 C 06 47 53.43 +56 38 19.9 q I15
2016-02-03 06:53:10 C 06 48 37.54 +56 27 14.0 q H45
2016-02-03 06:54:54 C 06 48 37.72 +56 27 10.7 q H45
2016-02-03 06:56:27 C 06 48 37.93 +56 27 08.0 q H45
2016-02-03 06:58:05 C 06 48 38.08 +56 27 05.0 q H45
2016-02-03 06:59:30 C 06 48 38.26 +56 27 02.5 q H45
2016-02-03 07:00:55 C 06 48 38.47 +56 26 59.9 q H45
2016-02-03 13:50:53 C 06 49 28.56 +56 15 13.1 o D54
2016-02-03 14:01:26 C 06 49 29.71 +56 14 55.7 o D54
2016-02-04 21:47:59 C 06 53 05.66 +55 21 51.2 t 130
2016-02-04 21:50:08 C 06 53 05.92 +55 21 47.6 t 130
2016-02-04 21:53:00 C 06 53 06.18 +55 21 42.9 t 130
2016-02-04 21:55:09 C 06 53 06.36 +55 21 39.2 t 130
2016-02-05 05:37:14 C 06 53 56.29 +55 09 14.5 q 703
2016-02-05 05:43:46 C 06 53 56.92 +55 09 03.9 q 703
2016-02-05 05:50:19 C 06 53 57.57 +55 08 54.2 q 703
2016-02-07 06:12:42 C 06 58 50.84 +53 53 31.2 q H45
2016-02-07 06:15:12 C 06 58 51.08 +53 53 27.8 q H45
2016-02-07 06:16:39 C 06 58 51.18 +53 53 25.3 q H45
2016-02-07 06:18:07 C 06 58 51.34 +53 53 23.1 q H45
2016-02-07 06:19:53 C 06 58 51.50 +53 53 20.0 q H45
2016-02-07 06:21:24 C 06 58 51.65 +53 53 18.3 q H45
2016-02-09 01:57:52 C 07 02 55.26 +52 49 38.2 R G45
2016-02-09 01:58:04 C 07 02 55.29 +52 49 38.0 R G45
2016-02-09 02:15:30 C 07 02 56.74 +52 49 13.7 R G45
2016-02-09 02:15:47 C 07 02 56.76 +52 49 13.5 R G45
2016-02-09 02:22:25 C 07 02 57.33 +52 49 04.2 R G45
2016-02-09 02:22:43 C 07 02 57.32 +52 49 04.0 R G45
2016-02-09 02:29:39 C 07 02 57.91 +52 48 54.6 R G45
2016-02-10 07:35:27 C 07 05 26.82 +52 08 26.1 q H45
2016-02-10 07:37:16 C 07 05 26.95 +52 08 23.6 q H45
2016-02-10 07:38:54 C 07 05 27.08 +52 08 21.4 q H45
2016-02-10 07:40:06 C 07 05 27.23 +52 08 19.5 q H45
2016-02-10 07:41:43 C 07 05 27.33 +52 08 17.5 q H45
2016-02-10 07:44:21 C 07 05 27.53 +52 08 13.3 q H45
2016-02-11 07:02:27 C 07 07 24.01 +51 36 58.1 q H45
2016-02-11 07:03:45 C 07 07 24.19 +51 36 56.6 q H45
2016-02-11 07:05:15 C 07 07 24.20 +51 36 54.3 q H45
2016-02-11 07:06:56 C 07 07 24.36 +51 36 52.7 q H45
2016-02-11 07:08:13 C 07 07 24.38 +51 36 50.8 q H45
2016-02-11 07:09:25 C 07 07 24.49 +51 36 48.8 q H45
2016-02-12 02:18:51 C 07 08 58.30 +51 11 48.3 q I15
2016-02-12 02:25:06 C 07 08 58.78 +51 11 40.2 q I15
2016-02-12 02:31:22 C 07 08 59.26 +51 11 32.5 q I15
2016-02-13 08:42:52 C 07 11 20.49 +50 33 23.2 L T05
2016-02-13 09:06:38 C 07 11 22.19 +50 32 52.8 L T05
2016-02-13 09:33:01 C 07 11 23.92 +50 32 18.3 L T05
2016-02-13 09:54:09 C 07 11 25.25 +50 31 51.6 L T05
2016-02-14 04:21:53 C 07 12 50.28 +50 09 08.4 q 703
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)