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
2018-12-07 11:35:57 C 06 25 01.26 -24 21 57.7 U T08
2018-12-13 10:49:28 C 05 59 48.03 -27 51 14.7 V T05
2018-12-13 11:02:30 C 05 59 44.56 -27 51 37.7 V T05
2018-12-13 11:09:44 C 05 59 42.62 -27 51 50.6 V T05
2018-12-13 11:24:43 C 05 59 38.63 -27 52 17.2 V T05
2018-12-16 02:44:39 S 05 39 57.864 -30 22 52.54 V C57
2018-12-16 02:44:39 s 1 +44193.708 0 +339847.95 4020.0 C57
2018-12-16 03:14:39 S 05 39 45.893 -30 23 59.68 V C57
2018-12-16 03:14:39 s 1 +43231.527 0 +340739.03 790.0 C57
2018-12-16 04:14:39 S 05 39 21.446 -30 26 15.90 V C57
2018-12-16 04:14:39 s 1 +41303.161 0 +342490.46 5700.0 C57
2018-12-16 04:44:39 S 05 39 08.554 -30 27 27.04 V C57
2018-12-16 04:44:39 s 1 +40337.048 0 +343350.89 4340.0 C57
2018-12-16 06:14:39 S 05 38 31.982 -30 30 46.33 V C57
2018-12-16 06:14:39 s 1 +37431.419 0 +345871.33 7900.0 C57
2018-12-16 08:14:39 S 05 37 41.388 -30 35 28.61 V C57
2018-12-16 08:14:39 s 1 +33541.524 0 +349091.08 9280.0 C57
2018-12-16 08:44:39 S 05 37 31.438 -30 36 28.69 V C57
2018-12-16 08:44:39 s 1 +32566.468 0 +349871.06 3410.0 C57
2018-12-16 10:44:39 S 05 36 39.038 -30 41 05.46 V C57
2018-12-16 10:44:39 s 1 +28656.898 0 +352891.94 1790.0 C57
2018-12-16 11:14:39 S 05 36 26.753 -30 42 09.76 V C57
2018-12-16 11:14:39 s 1 +27677.328 0 +353622.54 2940.0 C57
2018-12-16 12:14:39 S 05 35 59.004 -30 44 32.24 V C57
2018-12-16 12:14:39 s 1 +25715.797 0 +355054.37 7560.0 C57
2018-12-16 12:44:39 S 05 35 47.352 -30 45 38.66 V C57
2018-12-16 12:44:39 s 1 +24733.897 0 +355755.64 1470.0 C57
2018-12-16 13:14:39 S 05 35 34.174 -30 46 46.74 V C57
2018-12-16 13:14:39 s 1 +23751.282 0 +356447.20 40.0 C57
2018-12-16 13:44:39 S 05 35 19.082 -30 48 06.12 V C57
2018-12-16 13:44:39 s 1 +22767.980 0 +357129.06 3480.0 C57
2018-12-16 14:44:39 S 05 34 54.252 -30 50 16.26 V C57
2018-12-16 14:44:39 s 1 +20799.439 0 +358463.77 5780.0 C57
2018-12-16 15:14:39 S 05 34 39.173 -30 51 35.46 V C57
2018-12-16 15:14:39 s 1 +19814.258 0 +359116.67 5030.0 C57
2018-12-16 16:14:39 S 05 34 13.399 -30 53 54.78 V C57
2018-12-16 16:14:39 s 1 +17842.221 0 +360393.68 730.0 C57
2018-12-16 16:44:39 S 05 34 01.534 -30 54 52.99 V C57
2018-12-16 16:44:39 s 1 +16855.423 0 +361017.83 7560.0 C57
2018-12-16 17:44:39 S 05 33 33.055 -30 57 19.58 V C57
2018-12-16 17:44:39 s 1 +14880.407 0 +362237.56 130.0 C57
2018-12-16 18:14:39 S 05 33 18.746 -30 58 37.31 V C57
2018-12-16 18:14:39 s 1 +13892.246 0 +362833.16 6240.0 C57
2018-12-16 18:44:39 S 05 33 06.221 -30 59 36.96 V C57
2018-12-16 18:44:39 s 1 +12903.687 0 +363419.30 9160.0 C57
2018-12-16 19:14:39 S 05 32 54.840 -31 00 34.38 V C57
2018-12-16 19:14:39 s 1 +11914.756 0 +363995.98 9070.0 C57
2018-12-16 19:44:39 S 05 32 40.382 -31 01 50.48 V C57
2018-12-16 19:44:39 s 1 +10925.482 0 +364563.24 6140.0 C57
2018-12-16 20:14:39 S 05 32 25.037 -31 03 04.21 V C57