137084 (1998 XS16)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4965944426 ± 2.25e-08
Semi-major axis (a)1.2122391473 AU ± 5.56e-10
Inclination (i)26.55930199° ± 2.65e-06
Long. of Asc. Node (Ω)272.97685443° ± 3.59e-06
Arg. of Perihelion (ω)358.34109094° ± 4.01e-06
Mean Anomaly (M)253.89618035° ± 3.80e-06
Mean Motion (n)0.7384648343°/day ± 5.08e-10
Perihelion dist (q)0.61024792 AU ± 2.73e-08
Aphelion dist (Q)1.81423037 AU ± 2.73e-08
Orbital Period1.33469630 yr ± 9.18e-10
Physical Parameters
H (abs. magnitude)16.47
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.360″
Uncertainty0
Orbit TypeApollo
MOID0.407364 AU
Observations Used2535
Gaia Obs Used55
Oppositions6
Arc Total1994-2016
First Observation Used1994-12-03
Last Observation Used2026-01-13
Observations (3383)
Date Type RA Dec Mag Band Observatory
2003-12-04 03:58:45 C 00 05 19.24 +43 36 14.6 17.7 c 704
2003-12-04 04:14:20 C 00 05 20.87 +43 35 49.4 17.7 c 704
2003-12-04 04:45:30 C 00 05 24.46 +43 34 58.3 18.5 c 704
2003-12-04 05:01:08 C 00 05 26.20 +43 34 33.3 18.5 c 704
2003-12-05 03:13:11 C 00 07 59.13 +42 59 06.3 18.6 c 704
2003-12-05 03:31:22 C 00 08 01.12 +42 58 38.3 18.5 c 704
2003-12-05 03:49:52 C 00 08 03.15 +42 58 08.2 18.1 c 704
2003-12-05 04:26:06 C 00 08 07.13 +42 57 10.4 18.2 c 704
2003-12-08 18:12:19 C 00 17 34.88 +40 46 49.7 c 113
2003-12-08 18:13:54 C 00 17 35.07 +40 46 47.4 c 113
2003-12-08 18:15:30 C 00 17 35.21 +40 46 45.5 c 113
2003-12-08 18:17:05 C 00 17 35.36 +40 46 43.5 c 113
2003-12-10 18:23:36 C 00 22 40.42 +39 38 13.4 r 151
2003-12-10 18:26:08 C 00 22 40.66 +39 38 10.1 r 151
2003-12-10 18:26:54 C 00 22 40.75 +39 38 09.1 r 151
2003-12-10 18:27:13 C 00 22 40.77 +39 38 08.8 r 151
2003-12-15 19:18:31 C 00 34 52.78 +37 00 21.1 c 434
2003-12-15 19:22:36 C 00 34 53.16 +37 00 14.9 c 434
2003-12-15 19:27:47 C 00 34 53.63 +37 00 09.4 c 434
2003-12-17 03:14:58 C 00 37 59.31 +36 21 58.5 18.3 c 704
2003-12-17 03:33:46 C 00 38 01.09 +36 21 36.8 18.6 c 704
2003-12-17 03:52:31 C 00 38 02.84 +36 21 13.7 18.4 c 704
2003-12-17 04:11:21 C 00 38 04.63 +36 20 51.6 18.3 c 704
2003-12-17 04:30:05 C 00 38 06.36 +36 20 29.1 18.5 c 704
2003-12-23 15:55:42 C 00 52 42.78 +33 32 34.8 o 084
2003-12-23 17:28:22 C 00 52 51.22 +33 31 05.2 c 113
2003-12-23 17:30:27 C 00 52 51.43 +33 31 02.9 c 113
2003-12-23 17:32:33 C 00 52 51.62 +33 31 01.8 c 113
2003-12-23 17:34:37 C 00 52 51.79 +33 31 00.1 c 113
2003-12-23 17:36:42 C 00 52 51.97 +33 30 56.8 c 113
2004-01-20 02:08:58 C 01 49 01.19 +26 16 42.1 20.0 c 704
2004-01-20 02:27:18 C 01 49 02.68 +26 16 33.0 20.1 c 704
2004-01-20 02:46:09 C 01 49 04.09 +26 16 25.7 20.3 c 704
2004-01-30 02:15:00 C 02 08 33.58 +24 54 15.9 19.1 c 704
2004-01-30 02:32:50 C 02 08 34.92 +24 54 10.1 19.5 c 704
2004-01-30 02:50:44 C 02 08 36.51 +24 54 05.5 19.2 c 704
2004-01-30 03:08:34 C 02 08 37.73 +24 53 59.7 19.4 c 704
2005-12-19 17:02:48 C 11 31 25.57 -23 37 12.3 r E12
2005-12-19 17:09:49 C 11 31 26.22 -23 37 24.9 r E12
2005-12-19 17:16:52 C 11 31 26.90 -23 37 36.9 r E12
2005-12-19 17:23:54 C 11 31 27.62 -23 37 49.6 r E12
2005-12-20 17:03:42 C 11 33 49.21 -24 19 24.0 r E12
2005-12-20 17:16:18 C 11 33 50.43 -24 19 45.9 r E12
2005-12-20 17:28:58 C 11 33 51.69 -24 20 08.2 r E12
2005-12-20 17:41:51 C 11 33 52.95 -24 20 31.7 r E12
2005-12-26 14:44:00 C 11 48 49.77 -28 40 01.3 r E17
2005-12-26 14:47:04 C 11 48 50.03 -28 40 07.4 r E17
2005-12-26 14:50:09 C 11 48 50.38 -28 40 12.0 r E17
2006-10-19 09:27:48 C 07 49 10.02 +29 44 10.1 r 703
2006-10-19 09:41:05 C 07 49 10.38 +29 44 06.6 r 703