488789 (2004 XK50)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6885534900 ± 1.52e-07
Semi-major axis (a)1.4512269895 AU ± 1.06e-09
Inclination (i)38.22779581° ± 1.95e-05
Long. of Asc. Node (Ω)94.04919295° ± 4.76e-06
Arg. of Perihelion (ω)104.01117340° ± 2.13e-05
Mean Anomaly (M)314.44327335° ± 3.61e-06
Mean Motion (n)0.5637794689°/day ± 6.18e-10
Perihelion dist (q)0.45197958 AU ± 2.20e-07
Aphelion dist (Q)2.45047440 AU ± 2.20e-07
Orbital Period1.74824792 yr ± 1.92e-09
Physical Parameters
H (abs. magnitude)18.98
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.445″
Uncertainty0
Orbit TypeApollo
MOID0.042274 AU
Observations Used182
Oppositions9
Arc Total2004-2025
First Observation Used2004-12-14
Last Observation Used2025-12-25
Observations (278)
Date Type RA Dec Mag Band Observatory
2010-07-20 04:55:42 S 03 32 37.91 -47 19 40.1 L C51
2010-07-23 19:43:31 C 03 32 39.20 -50 51 48.7 r E12
2010-07-23 19:50:43 C 03 32 39.13 -50 52 05.3 r E12
2011-11-18 05:58:37 C 06 33 32.37 -18 44 54.8 o 807
2011-11-18 06:09:30 C 06 33 32.11 -18 45 01.8 o 807
2011-11-18 06:27:20 C 06 33 31.64 -18 45 13.9 o 807
2011-12-15 00:11:26 C 05 17 33.25 -27 48 12.8 u 822
2011-12-15 00:15:55 C 05 17 31.65 -27 48 16.9 u 822
2011-12-15 00:20:23 C 05 17 30.09 -27 48 22.1 u 822
2011-12-21 02:08:31 C 04 06 37.73 -29 32 05.2 u 822
2011-12-21 02:11:28 C 04 06 35.69 -29 32 05.3 u 822
2011-12-21 02:14:25 C 04 06 33.67 -29 32 06.0 u 822
2011-12-23 20:47:05 C 03 14 31.98 -29 00 59.4 t 204
2011-12-23 20:53:18 C 03 14 26.35 -29 00 51.5 t 204
2011-12-23 20:59:30 C 03 14 20.72 -29 00 43.7 t 204
2011-12-27 03:04:40 C 01 56 02.53 -25 35 55.0 o G48
2011-12-27 03:05:25 C 01 56 01.73 -25 35 51.8 o G48
2011-12-27 03:06:10 C 01 56 00.90 -25 35 48.9 o G48
2011-12-27 03:06:58 C 01 56 00.04 -25 35 45.8 o G48
2011-12-27 03:08:30 C 01 55 58.36 -25 35 38.8 o G48
2011-12-27 03:09:17 C 01 55 57.49 -25 35 35.7 o G48
2011-12-27 03:10:02 C 01 55 56.67 -25 35 32.9 o G48
2011-12-27 03:10:47 C 01 55 55.86 -25 35 29.5 o G48
2017-01-08 03:28:10 C 02 07 03.20 -20 22 18.9 o 695
2017-01-08 03:31:27 C 02 07 03.13 -20 22 15.4 o 695
2017-01-08 03:36:12 C 02 07 03.03 -20 22 10.5 o 695
2017-01-08 03:40:57 C 02 07 02.93 -20 22 05.6 o 695
2017-01-09 04:18:18 C 02 06 34.82 -19 56 23.5 o 695
2017-01-09 04:23:02 C 02 06 34.77 -19 56 16.9 o 695
2017-01-09 04:27:46 C 02 06 34.67 -19 56 12.8 o 695
2017-07-16 16:06:37 S 03 19 46.574 -43 18 06.77 L C51
2017-07-16 17:41:03 S 03 19 48.302 -43 21 59.04 L C51
2017-07-18 15:15:25 S 03 20 35.12 -45 12 12.5 L C51
2017-07-18 18:23:55 S 03 20 38.03 -45 19 38.8 L C51
2017-07-18 19:58:09 S 03 20 39.27 -45 23 21.0 L C51
2017-07-18 21:32:36 S 03 20 40.78 -45 27 05.3 L C51
2017-07-18 23:06:50 S 03 20 42.25 -45 30 48.6 L C51
2017-07-19 05:24:02 S 03 20 47.78 -45 45 35.7 L C51
2017-07-19 06:58:17 S 03 20 49.06 -45 49 17.8 L C51
2018-12-03 11:48:25 C 06 34 09.30 -22 36 03.6 U T08
2018-12-03 11:49:05 C 06 34 09.24 -22 36 04.0 U T08
2018-12-03 11:54:24 C 06 34 08.79 -22 36 08.0 U T08
2018-12-03 11:55:04 C 06 34 08.71 -22 36 08.6 U T08
2018-12-03 12:07:56 C 06 34 07.68 -22 36 22.9 U T08
2018-12-03 12:08:35 C 06 34 07.57 -22 36 23.4 U T08
2018-12-03 12:11:15 C 06 34 07.48 -22 36 26.4 U T08
2018-12-03 12:31:02 C 06 34 05.78 -22 36 45.8 U T08
2018-12-07 11:02:04 C 06 25 05.54 -24 21 16.5 U T08
2018-12-07 11:12:44 C 06 25 04.20 -24 21 28.7 U T08
2018-12-07 11:24:00 C 06 25 02.77 -24 21 43.2 U T08