213869 (2003 SG170)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6030931980 ± 3.45e-08
Semi-major axis (a)1.8597744520 AU ± 6.50e-09
Inclination (i)37.00012295° ± 1.21e-05
Long. of Asc. Node (Ω)199.22701598° ± 7.60e-06
Arg. of Perihelion (ω)309.26423878° ± 8.80e-06
Mean Anomaly (M)208.16755671° ± 1.39e-05
Mean Motion (n)0.3886170583°/day ± 2.04e-09
Perihelion dist (q)0.73815713 AU ± 6.42e-08
Aphelion dist (Q)2.98139177 AU ± 6.50e-08
Orbital Period2.53624040 yr ± 1.33e-08
Physical Parameters
H (abs. magnitude)17.82
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.350″
Uncertainty0
Orbit TypeApollo
MOID0.128513 AU
Observations Used190
Oppositions12
Arc Total2003-2023
First Observation Used2003-09-20
Last Observation Used2023-11-13
Observations (212)
Date Type RA Dec Mag Band Observatory
2003-11-18 04:02:06 C 00 58 13.75 -24 26 09.6 19.4 c 704
2003-11-18 04:20:10 C 00 58 12.34 -24 26 39.3 19.0 c 704
2003-11-18 04:38:28 C 00 58 10.95 -24 27 10.1 19.3 c 704
2003-12-24 12:36:45 C 00 27 31.106 -39 53 46.31 r 413
2003-12-24 12:41:26 C 00 27 31.100 -39 53 49.65 r 413
2003-12-24 12:46:06 C 00 27 31.089 -39 53 52.61 r 413
2004-02-01 10:33:34 C 00 26 48.401 -50 44 34.29 r 413
2004-02-01 10:36:14 C 00 26 48.273 -50 44 36.21 r 413
2004-02-01 10:38:53 C 00 26 48.129 -50 44 38.35 r 413
2004-04-01 11:29:04 C 19 53 21.63 +04 24 42.7 c 926
2004-04-01 11:30:27 C 19 53 21.56 +04 24 49.6 c 926
2004-04-01 11:31:50 C 19 53 21.48 +04 24 56.7 c 926
2004-04-14 09:40:57 C 19 34 46.30 +22 16 01.8 18.9 c 704
2004-04-14 09:56:35 C 19 34 45.42 +22 16 45.8 19.6 c 704
2004-04-14 10:12:13 C 19 34 44.43 +22 17 29.6 19.5 c 704
2004-04-14 10:28:01 C 19 34 43.48 +22 18 15.2 19.4 c 704
2004-05-24 21:24:52 C 18 14 25.96 +45 56 14.1 c 151
2004-05-24 21:30:40 C 18 14 25.35 +45 56 15.9 c 151
2004-05-24 21:32:52 C 18 14 25.11 +45 56 16.6 c 151
2004-05-24 21:33:40 C 18 14 25.00 +45 56 16.8 c 151
2004-05-28 23:52:42 C 18 04 12.72 +46 24 05.9 o 240
2004-05-28 23:56:36 C 18 04 12.29 +46 24 05.6 o 240
2004-05-29 00:04:23 C 18 04 11.36 +46 24 07.6 o 240
2004-08-15 21:00:22 C 16 59 00.37 +26 33 47.6 r 941
2004-08-15 21:03:39 C 16 59 00.45 +26 33 44.8 r 941
2004-08-15 21:05:17 C 16 59 00.49 +26 33 43.4 r 941
2004-08-15 21:06:56 C 16 59 00.54 +26 33 41.9 r 941
2004-08-15 21:08:34 C 16 59 00.57 +26 33 40.6 r 941
2005-09-11 04:46:47 C 22 19 39.59 +24 40 57.8 d 291
2005-09-11 04:53:12 C 22 19 39.56 +24 40 57.2 d 291
2005-09-11 04:59:07 C 22 19 38.99 +24 40 53.0 d 291
2008-08-28 08:27:17 C 01 39 11.59 +22 23 59.8 o H55
2008-08-28 08:42:51 C 01 39 11.51 +22 23 56.6 o H55
2008-08-28 08:58:25 C 01 39 11.43 +22 23 51.7 o H55
2008-08-30 06:35:11 C 01 38 56.58 +22 11 17.0 o H55
2008-08-30 06:48:49 C 01 38 56.55 +22 11 13.1 o H55
2008-08-30 07:01:44 C 01 38 56.52 +22 11 09.2 o H55
2008-10-01 13:19:19 C 01 13 48.18 +13 50 37.2 t 568
2008-10-01 14:43:28 C 01 13 43.14 +13 49 06.5 t 568
2008-10-07 05:10:29 C 01 05 27.30 +11 14 41.0 o 691
2008-10-07 05:35:55 C 01 05 25.61 +11 14 10.5 o 691
2008-10-07 06:01:20 C 01 05 23.91 +11 13 39.5 o 691
2008-10-21 02:26:57 C 00 42 32.45 +03 41 43.3 o 691
2008-10-21 02:49:37 C 00 42 30.86 +03 41 10.5 o 691
2008-10-21 03:12:17 C 00 42 29.24 +03 40 37.6 o 691
2008-10-24 02:12:59 C 00 37 33.28 +01 56 58.5 o 691
2008-10-24 02:49:13 C 00 37 30.73 +01 56 05.2 o 691
2008-10-24 05:26:13 C 00 37 19.58 +01 52 14.8 19.8 c 704
2008-10-24 05:42:44 C 00 37 18.34 +01 51 51.4 20.0 c 704
2008-10-24 05:59:16 C 00 37 17.21 +01 51 27.1 20.4 c 704