2004 FY31

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5543223000
Semi-major axis (a)2.1698357000 AU
Inclination (i)11.17057000°
Long. of Asc. Node (Ω)28.70029000°
Arg. of Perihelion (ω)197.48055000°
Mean Anomaly (M)272.38918000°
Mean Motion (n)0.3083640900°/day
Perihelion dist (q)0.96704740 AU
Aphelion dist (Q)3.37262400 AU
Orbital Period3.19624660 yr
Physical Parameters
H (abs. magnitude)21.97
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.310″
Uncertainty7
Orbit TypeApollo
MOID0.017571 AU
Observations Used56
Radar Obs Used1
Oppositions1
Arc Total
First Observation Used
Last Observation Used2004-04-11
Observations (58)
Date Type RA Dec Mag Band Observatory
2004-02-17 10:09:09 C 11 53 40.478 +39 44 32.06 645
2004-02-17 10:13:56 C 11 53 40.632 +39 44 36.28 645
2004-03-31 07:14:26 C 13 37 48.46 +62 16 11.4 o 699
2004-03-31 07:37:51 C 13 38 01.40 +62 17 26.1 o 699
2004-03-31 08:01:11 C 13 38 14.02 +62 18 40.2 o 699
2004-03-31 08:26:11 C 13 38 27.65 +62 19 58.5 o 699
2004-03-31 09:26:40 C 13 39 02.34 +62 23 05.8 c 673
2004-03-31 09:29:00 C 13 39 03.61 +62 23 13.1 c 673
2004-03-31 09:31:50 C 13 39 05.38 +62 23 21.8 c 673
2004-03-31 09:34:39 C 13 39 06.83 +62 23 30.3 c 673
2004-03-31 09:39:49 C 13 39 09.62 +62 23 45.7 c 673
2004-03-31 09:45:19 C 13 39 12.72 +62 24 02.7 c 673
2004-03-31 10:50:50 C 13 39 47.87 +62 27 16.6 19.2 c 854
2004-03-31 10:53:45 C 13 39 47.56 +62 26 58.8 o 649
2004-03-31 10:56:19 C 13 39 49.02 +62 27 06.2 o 649
2004-03-31 10:58:52 C 13 39 50.51 +62 27 13.4 o 649
2004-03-31 11:00:23 C 13 39 53.15 +62 27 43.3 19.0 c 854
2004-03-31 11:09:56 C 13 39 58.92 +62 28 11.7 18.9 c 854
2004-03-31 19:51:19 C 13 46 00.47 +62 54 45.9 c 176
2004-03-31 19:53:23 C 13 46 01.86 +62 54 53.0 c 176
2004-03-31 19:57:38 C 13 46 04.73 +62 55 07.7 c 176
2004-03-31 19:59:07 C 13 46 05.73 +62 55 12.8 c 176
2004-04-02 06:27:21 C 14 14 22.87 +64 49 44.9 o 649
2004-04-02 06:31:59 C 14 14 27.15 +64 50 00.9 o 649
2004-04-02 06:36:35 C 14 14 31.44 +64 50 17.2 o 649
2004-04-02 19:09:31 C 14 28 07.24 +65 30 19.2 c 540
2004-04-02 19:17:10 C 14 28 15.99 +65 30 47.3 c 540
2004-04-02 19:24:48 C 14 28 24.65 +65 31 14.6 c 540
2004-04-03 00:33:20 C 14 34 21.85 +65 48 57.4 o J95
2004-04-03 00:41:49 C 14 34 31.77 +65 49 25.5 o J95
2004-04-03 00:50:40 C 14 34 42.20 +65 49 55.3 o J95
2004-04-03 21:57:24 C 15 04 28.20 +66 52 46.7 o A16
2004-04-03 22:13:11 C 15 04 52.75 +66 53 36.4 o A16
2004-04-05 00:36:10 C 15 53 43.76 +67 45 31.2 o J95
2004-04-05 00:44:02 C 15 54 00.05 +67 45 41.0 o J95
2004-04-05 00:56:27 C 15 54 25.70 +67 45 56.2 o J95
2004-04-05 01:02:17 C 15 54 37.71 +67 46 03.2 o J95
2004-04-05 01:07:47 C 15 54 49.22 +67 46 09.6 o J95
2004-04-06 00:03:34 C 16 49 23.03 +67 34 57.4 o J95
2004-04-06 00:08:46 C 16 49 36.11 +67 34 48.4 o J95
2004-04-06 00:13:20 C 16 49 47.81 +67 34 40.1 o J95
2004-04-07 10:56:41 C 18 23 48.19 +64 13 31.4 c 926
2004-04-07 10:57:06 C 18 23 49.31 +64 13 27.3 c 926
2004-04-07 10:57:33 C 18 23 50.38 +64 13 22.0 c 926
2004-04-08 00:46:18 C 18 59 52.11 +61 24 58.6 o J95
2004-04-08 00:48:39 C 18 59 57.88 +61 24 27.0 o J95
2004-04-08 00:51:05 C 19 00 03.80 +61 23 54.5 o J95
2004-04-08 11:10:08 C 19 24 43.66 +58 47 39.4 c 926
2004-04-08 11:10:35 C 19 24 44.79 +58 47 32.5 c 926
2004-04-08 11:11:05 C 19 24 45.78 +58 47 24.6 c 926
Radar Observations (1)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2004-04-14 12:56:00 -114290.4 20 Hz 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)