2004 SY4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5818430065
Semi-major axis (a)2.4188545047 AU
Inclination (i)8.08315827°
Long. of Asc. Node (Ω)4.78516423°
Arg. of Perihelion (ω)24.20804127°
Mean Anomaly (M)221.86779811°
Mean Motion (n)0.2620055600°/day
Perihelion dist (q)1.01143410 AU
Aphelion dist (Q)3.82611870 AU
Orbital Period3.76178170 yr
Physical Parameters
H (abs. magnitude)24.40
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.922″
Uncertainty
Orbit TypeAmor
MOID0.031797 AU
Observations Used52
Oppositions1
Arc Total2004-2004
First Observation Used
Last Observation Used2004-10-05
Observations (52)
Date Type RA Dec Mag Band Observatory
2004-09-19 14:10:35 C 23 13 28.55 -32 29 12.6 r E12
2004-09-19 14:12:57 C 23 13 29.00 -32 29 04.3 r E12
2004-09-19 14:15:18 C 23 13 29.41 -32 28 56.2 r E12
2004-09-19 14:17:39 C 23 13 29.84 -32 28 47.7 r E12
2004-09-19 14:20:00 C 23 13 30.29 -32 28 39.5 r E12
2004-09-19 14:22:20 C 23 13 30.67 -32 28 31.4 r E12
2004-09-19 14:24:42 C 23 13 31.05 -32 28 22.3 r E12
2004-09-19 14:27:03 C 23 13 31.48 -32 28 15.8 r E12
2004-09-19 14:29:24 C 23 13 31.84 -32 28 07.1 r E12
2004-09-19 14:31:44 C 23 13 32.25 -32 27 59.3 r E12
2004-09-19 14:34:04 C 23 13 32.72 -32 27 50.8 r E12
2004-09-19 14:36:25 C 23 13 33.18 -32 27 42.2 r E12
2004-09-19 17:04:04 C 23 14 00.54 -32 18 51.1 r E12
2004-09-19 17:05:24 C 23 14 00.91 -32 18 45.7 r E12
2004-09-19 17:06:45 C 23 14 01.15 -32 18 39.9 r E12
2004-09-19 17:13:44 C 23 14 02.50 -32 18 15.3 r E12
2004-09-19 17:15:06 C 23 14 02.82 -32 18 09.7 r E12
2004-09-19 17:16:27 C 23 14 03.05 -32 18 04.8 r E12
2004-09-19 17:17:46 C 23 14 03.28 -32 18 00.1 r E12
2004-09-20 06:08:13 C 23 17 08.36 -31 33 44.5 r 649
2004-09-20 06:11:40 C 23 17 08.82 -31 33 34.1 r 649
2004-09-20 06:15:08 C 23 17 09.68 -31 33 18.7 r 649
2004-09-20 06:18:33 C 23 17 10.31 -31 33 05.8 r 649
2004-09-20 06:22:01 C 23 17 11.05 -31 32 51.1 r 649
2004-09-20 10:07:44 C 23 18 06.55 -31 17 39.9 o 568
2004-09-20 10:11:59 C 23 18 07.38 -31 17 22.5 o 568
2004-09-20 10:46:58 C 23 18 20.14 -31 12 26.1 c 474
2004-09-20 10:48:49 C 23 18 20.54 -31 12 19.8 c 474
2004-09-20 10:50:58 C 23 18 21.00 -31 12 12.0 c 474
2004-09-20 10:52:48 C 23 18 21.38 -31 12 04.9 c 474
2004-09-20 10:55:18 C 23 18 21.96 -31 11 54.4 c 474
2004-09-20 10:57:08 C 23 18 22.32 -31 11 47.4 c 474
2004-09-20 11:53:06 C 23 18 37.75 -31 08 21.1 r E14
2004-09-20 12:09:50 C 23 18 41.28 -31 07 14.1 r E14
2004-09-20 12:26:35 C 23 18 44.82 -31 06 07.0 r E14
2004-09-20 14:18:29 C 23 19 08.11 -30 58 36.0 r E12
2004-09-20 16:16:30 C 23 19 32.70 -30 49 16.9 c 474
2004-09-20 16:18:29 C 23 19 33.21 -30 49 06.9 c 474
2004-09-20 16:20:09 C 23 19 33.58 -30 49 00.1 c 474
2004-09-20 16:28:10 C 23 19 35.52 -30 48 24.8 c 474
2004-09-21 14:31:24 C 23 25 46.47 -29 06 20.6 r 428
2004-09-21 14:47:21 C 23 25 50.43 -29 04 56.0 r 428
2004-09-22 05:18:26 C 23 30 33.31 -27 46 59.1 r 448
2004-09-22 05:31:51 C 23 30 37.13 -27 45 40.9 r 448
2004-09-22 05:42:06 C 23 30 40.03 -27 44 40.6 r 448
2004-09-25 11:47:27 C 00 06 17.87 -15 42 00.6 r 413
2004-09-25 11:50:02 C 00 06 19.30 -15 41 25.6 r 413
2004-09-26 15:50:29 C 00 25 37.219 -08 07 22.74 r 413
2004-09-26 15:53:03 C 00 25 39.084 -08 06 33.92 r 413
2004-10-04 22:30:41 C 05 52 46.29 +57 51 55.7 o J95