1998 XD12

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6250893000
Semi-major axis (a)1.4015238000 AU
Inclination (i)13.54535000°
Long. of Asc. Node (Ω)259.62919000°
Arg. of Perihelion (ω)69.64845000°
Mean Anomaly (M)118.42113000°
Mean Motion (n)0.5940231600°/day
Perihelion dist (q)0.52544630 AU
Aphelion dist (Q)2.27760130 AU
Orbital Period1.65920760 yr
Physical Parameters
H (abs. magnitude)20.96
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.100″
Uncertainty9
Orbit TypeApollo
MOID0.030496 AU
Observations Used60
Oppositions1
Arc Total
First Observation Used
Last Observation Used1998-12-24
Observations (60)
Date Type RA Dec Mag Band Observatory
1998-12-14 02:53:24 C 03 44 58.40 +20 49 17.5 17.4 a 704
1998-12-14 03:24:57 C 03 45 03.20 +20 47 09.3 a 704
1998-12-14 03:56:58 C 03 45 08.06 +20 45 00.0 18.7 a 704
1998-12-14 04:28:25 C 03 45 12.69 +20 42 52.8 18.5 a 704
1998-12-14 04:59:52 C 03 45 17.15 +20 40 46.7 17.9 a 704
1998-12-16 02:04:26 C 03 51 32.24 +18 09 14.3 17.8 a 704
1998-12-16 02:16:32 C 03 51 33.48 +18 08 40.7 18.2 a 704
1998-12-16 02:28:39 C 03 51 34.77 +18 08 07.2 17.6 a 704
1998-12-16 02:40:31 C 03 51 36.00 +18 07 35.4 17.2 a 704
1998-12-16 02:52:36 C 03 51 37.21 +18 07 01.3 17.5 a 704
1998-12-16 18:00:59 C 03 53 16.27 +17 26 55.8 611
1998-12-16 18:06:29 C 03 53 16.76 +17 26 43.1 611
1998-12-17 04:15:22 C 03 54 16.63 +17 02 41.8 17.9 a 704
1998-12-17 04:48:55 C 03 54 19.42 +17 01 26.0 18.4 a 704
1998-12-17 05:22:24 C 03 54 22.17 +17 00 07.5 17.8 a 704
1998-12-17 05:31:30 C 03 54 23.52 +16 59 46.3 z 670
1998-12-17 05:55:39 C 03 54 24.93 +16 58 51.3 18.0 a 704
1998-12-17 05:59:15 C 03 54 25.90 +16 58 43.0 z 670
1998-12-17 06:09:14 C 03 54 26.81 +16 58 20.8 z 670
1998-12-17 06:28:57 C 03 54 27.67 +16 57 33.9 18.4 a 704
1998-12-17 07:00:46 C 03 54 30.23 +16 56 21.4 17.8 a 704
1998-12-17 07:34:03 C 03 54 33.00 +16 55 05.2 18.0 a 704
1998-12-17 08:07:31 C 03 54 35.82 +16 53 49.5 18.7 a 704
1998-12-17 08:40:50 C 03 54 38.66 +16 52 33.4 18.4 a 704
1998-12-17 09:14:00 C 03 54 41.45 +16 51 16.1 19.0 a 704
1998-12-17 11:26:26 C 03 54 58.12 +16 46 26.2 z 402
1998-12-17 11:28:26 C 03 54 58.26 +16 46 22.4 z 402
1998-12-17 11:30:27 C 03 54 58.45 +16 46 17.5 z 402
1998-12-17 11:32:27 C 03 54 58.59 +16 46 13.3 z 402
1998-12-17 18:48:29 C 03 55 38.51 +16 30 26.0 046
1998-12-17 18:51:14 C 03 55 38.71 +16 30 20.0 046
1998-12-17 18:53:15 C 03 55 38.89 +16 30 16.1 046
1998-12-17 18:56:50 C 03 55 39.19 +16 30 08.5 046
1998-12-18 11:37:44 C 03 57 04.17 +15 57 22.2 z 402
1998-12-18 11:39:44 C 03 57 04.33 +15 57 18.2 z 402
1998-12-18 11:41:43 C 03 57 04.46 +15 57 14.4 z 402
1998-12-19 06:37:11 C 03 58 31.32 +15 23 44.1 658
1998-12-19 06:40:08 C 03 58 31.47 +15 23 38.6 658
1998-12-19 06:46:03 C 03 58 31.88 +15 23 28.8 658
1998-12-19 21:15:40 C 03 59 34.65 +15 00 35.8 z 587
1998-12-19 22:07:59 C 03 59 37.71 +14 59 15.8 z 587
1998-12-19 22:14:59 C 03 59 38.13 +14 59 06.3 z 587
1998-12-20 13:10:44 C 04 00 38.51 +14 37 47.0 360
1998-12-20 13:16:14 C 04 00 38.80 +14 37 39.9 360
1998-12-20 13:21:59 C 04 00 39.12 +14 37 31.7 360
1998-12-21 13:02:22 C 04 02 06.58 +14 07 53.4 422
1998-12-21 13:03:44 C 04 02 06.63 +14 07 51.9 422
1998-12-21 13:05:41 C 04 02 06.77 +14 07 49.5 422
1998-12-21 13:39:32 C 04 02 08.96 +14 07 09.2 b 426
1998-12-21 13:48:26 C 04 02 09.41 +14 06 58.0 b 426