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
2018-12-16 21:14:39 S 05 31 57.127 -31 05 31.02 V C57
2018-12-16 21:44:39 S 05 31 43.426 -31 06 38.95 V C57
2018-12-16 22:14:39 S 05 31 31.502 -31 07 37.42 V C57
2018-12-17 00:44:39 S 05 30 20.717 -31 13 34.28 V C57
2018-12-17 01:44:39 S 05 29 49.896 -31 16 04.04 V C57
2018-12-17 02:14:39 S 05 29 38.724 -31 16 57.25 V C57
2018-12-17 03:14:39 S 05 29 09.434 -31 19 24.06 V C57
2018-12-17 03:44:39 S 05 28 54.564 -31 20 36.53 V C57
2018-12-17 12:44:39 S 05 24 22.824 -31 42 05.65 V C57
2018-12-17 12:44:39 s 1 -22731.336 0 +378369.20 1990.0 C57
2018-12-17 13:44:39 S 05 23 51.127 -31 44 31.13 V C57
2018-12-17 13:44:39 s 1 -24701.679 0 +378856.80 9790.0 C57
2018-12-17 15:14:39 S 05 23 06.254 -31 48 04.39 V C57
2018-12-17 15:14:39 s 1 -27652.971 0 +379521.92 4620.0 C57
2018-12-17 15:44:39 S 05 22 49.759 -31 49 08.40 V C57
2018-12-17 15:44:39 s 1 -28635.520 0 +379726.00 2970.0 C57
2018-12-17 16:14:39 S 05 22 34.663 -31 50 17.92 V C57
2018-12-17 16:14:39 s 1 -29617.425 0 +379921.28 4900.0 C57
2018-12-17 16:44:39 S 05 22 17.890 -31 51 28.44 V C57
2018-12-17 16:44:39 s 1 -30598.663 0 +380107.78 570.0 C57
2018-12-17 20:14:39 S 05 20 26.210 -31 59 51.29 V C57
2018-12-17 20:14:39 s 1 -37446.843 0 +381168.14 6300.0 C57
2018-12-17 20:44:39 S 05 20 08.285 -32 01 11.57 V C57
2018-12-17 20:44:39 s 1 -38421.967 0 +381284.72 6740.0 C57
2018-12-17 21:14:39 S 05 19 52.934 -32 02 17.59 V C57
2018-12-17 21:14:39 s 1 -39396.229 0 +381392.60 2140.0 C57
2018-12-17 22:14:39 S 05 19 20.006 -32 04 41.70 V C57
2018-12-17 22:14:39 s 1 -41342.083 0 +381582.31 8300.0 C57
2018-12-17 22:44:39 S 05 19 03.605 -32 05 54.24 V C57
2018-12-17 22:44:39 s 1 -42313.632 0 +381664.16 9340.0 C57
2018-12-18 00:14:39 S 05 18 13.154 -32 09 30.31 V C57
2018-12-18 00:14:39 s 1 -45222.509 0 +381857.74 5860.0 C57
2018-12-18 00:44:39 S 05 17 54.744 -32 10 47.10 V C57
2018-12-18 00:44:39 s 1 -46190.140 0 +381904.98 9590.0 C57
2018-12-18 01:44:39 S 05 17 21.499 -32 13 08.00 V C57
2018-12-18 01:44:39 s 1 -48122.284 0 +381973.57 5190.0 C57
2018-12-18 02:44:39 S 05 16 46.709 -32 15 40.36 V C57
2018-12-18 02:44:39 s 1 -50050.126 0 +382007.69 5820.0 C57
2018-12-18 03:14:39 S 05 16 28.534 -32 16 57.72 V C57
2018-12-18 03:14:39 s 1 -51012.382 0 +382011.84 840.0 C57
2018-12-18 03:44:39 S 05 16 11.738 -32 18 07.45 V C57
2018-12-18 03:44:39 s 1 -51973.498 0 +382007.39 2500.0 C57
2018-12-18 05:44:39 S 05 15 01.601 -32 23 01.90 V C57
2018-12-18 05:44:39 s 1 -55806.150 0 +381903.75 8130.0 C57
2018-12-18 06:44:39 S 05 14 27.031 -32 25 23.09 V C57
2018-12-18 06:44:39 s 1 -57715.091 0 +381800.49 9100.0 C57
2018-12-18 07:44:39 S 05 13 53.662 -32 27 38.20 V C57
2018-12-18 07:44:39 s 1 -59618.881 0 +381663.01 200.0 C57
2018-12-18 09:14:39 S 05 12 59.472 -32 31 17.44 V C57
2018-12-18 09:14:39 s 1 -62464.539 0 +381392.70 5530.0 C57