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
1999-11-16 05:14:17 C 23 18 02.13 +58 12 12.7 i 670
1999-11-18 11:55:00 C 23 26 48.02 +56 15 20.5 360
1999-11-18 11:58:14 C 23 26 48.48 +56 15 13.5 360
1999-11-18 12:04:14 C 23 26 49.35 +56 15 00.8 360
1999-12-11 16:52:01 C 00 32 03.58 +39 35 42.2 118
1999-12-11 16:57:13 C 00 32 04.10 +39 35 35.3 118
1999-12-12 09:38:59 C 00 33 39.61 +39 12 24.6 360
1999-12-12 09:42:45 C 00 33 39.91 +39 12 18.9 360
1999-12-12 09:47:00 C 00 33 40.32 +39 12 13.4 360
1999-12-13 03:21:25 C 00 35 19.81 +38 48 11.4 17.9 a 704
1999-12-13 03:42:19 C 00 35 21.74 +38 47 43.0 17.9 a 704
1999-12-13 04:03:16 C 00 35 23.65 +38 47 14.6 18.4 a 704
1999-12-13 04:24:12 C 00 35 25.54 +38 46 46.2 18.7 a 704
1999-12-16 09:52:12 C 00 42 37.44 +37 06 18.5 z 402
1999-12-16 09:54:01 C 00 42 37.57 +37 06 16.3 z 402
1999-12-16 09:55:50 C 00 42 37.67 +37 06 14.3 z 402
2000-01-02 02:37:33 C 01 17 16.61 +30 30 02.8 19.8 a 704
2000-01-02 02:59:38 C 01 17 18.43 +30 29 47.1 19.0 a 704
2000-01-02 03:21:36 C 01 17 20.14 +30 29 29.1 19.0 a 704
2002-01-13 17:41:28 C 13 00 27.75 -44 15 03.8 e 413
2002-01-13 17:43:28 C 13 00 28.15 -44 15 08.2 e 413
2002-01-13 17:45:29 C 13 00 28.56 -44 15 12.7 e 413
2002-11-12 09:53:47 C 07 57 25.07 +26 17 18.6 18.9 c 704
2002-11-12 10:18:50 C 07 57 24.79 +26 17 10.8 19.0 c 704
2002-11-12 10:43:51 C 07 57 24.46 +26 17 02.7 18.7 c 704
2002-12-05 08:46:52 C 07 34 42.44 +22 49 34.5 18.9 c 704
2002-12-05 09:10:36 C 07 34 40.62 +22 49 23.9 19.2 c 704
2002-12-05 09:54:40 C 07 34 37.32 +22 49 03.8 19.8 c 704
2002-12-05 10:17:04 C 07 34 35.58 +22 48 54.8 19.4 c 704
2002-12-10 09:39:39 C 07 25 00.43 +21 54 17.9 18.6 c 704
2002-12-10 10:02:21 C 07 24 58.45 +21 54 06.7 18.4 c 704
2002-12-10 10:24:39 C 07 24 56.40 +21 53 56.1 18.2 c 704
2002-12-11 08:54:49 C 07 22 57.31 +21 43 05.6 17.9 c 704
2002-12-11 09:16:46 C 07 22 55.29 +21 42 55.0 18.3 c 704
2002-12-11 09:38:43 C 07 22 53.25 +21 42 44.3 19.1 c 704
2002-12-11 10:00:39 C 07 22 51.23 +21 42 33.8 18.7 c 704
2002-12-11 10:22:53 C 07 22 49.18 +21 42 23.0 18.1 c 704
2002-12-12 09:47:06 C 07 20 41.56 +21 30 53.8 18.4 c 704
2002-12-12 10:09:51 C 07 20 39.47 +21 30 42.5 18.7 c 704
2002-12-12 10:32:02 C 07 20 37.31 +21 30 31.3 18.6 c 704
2002-12-15 01:33:41 C 07 14 36.72 +20 58 32.9 d 170
2002-12-15 01:36:14 C 07 14 36.34 +20 58 32.2 d 170
2002-12-15 01:44:30 C 07 14 35.45 +20 58 29.5 d 170
2002-12-15 01:45:48 C 07 14 35.44 +20 58 27.7 d 170
2002-12-15 01:51:49 C 07 14 34.98 +20 58 24.8 d 170
2002-12-26 22:12:38 C 06 43 36.30 +18 17 00.2 c 151
2002-12-26 22:16:07 C 06 43 35.89 +18 16 57.9 c 151
2002-12-26 22:17:12 C 06 43 35.73 +18 16 57.3 c 151
2002-12-26 22:20:46 C 06 43 35.33 +18 16 55.3 c 151
2002-12-29 23:28:34 C 06 35 03.68 +17 31 49.6 d 170