163051 (2001 YJ4)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5665198360 ± 1.31e-08
Semi-major axis (a)2.2754742291 AU ± 1.51e-09
Inclination (i)9.28086117° ± 2.33e-06
Long. of Asc. Node (Ω)247.76892648° ± 1.39e-05
Arg. of Perihelion (ω)322.38895330° ± 1.41e-05
Mean Anomaly (M)323.56866412° ± 1.83e-06
Mean Motion (n)0.2871470734°/day ± 2.85e-10
Perihelion dist (q)0.98637294 AU ± 2.98e-08
Aphelion dist (Q)3.56457552 AU ± 2.99e-08
Orbital Period3.43247894 yr ± 3.41e-09
Physical Parameters
H (abs. magnitude)16.33
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.343″
Uncertainty0
Orbit TypeApollo
MOID0.032094 AU
Observations Used1129
Oppositions34
Arc Total1978-2026
First Observation Used1978-02-05
Last Observation Used2026-01-11
Observations (1362)
Date Type RA Dec Mag Band Observatory
2019-01-03 02:14:38 S 06 53 05.573 +11 31 12.25 V C57
2019-01-03 02:14:38 s 1 -156981.11 0 +313722.80 1270.0 C57
2019-01-03 02:44:38 S 06 53 03.490 +11 31 01.88 V C57
2019-01-03 02:44:38 s 1 -157564.49 4 +312613.48 2160.0 C57
2019-01-03 03:14:38 S 06 53 01.159 +11 30 53.93 V C57
2019-01-03 03:14:38 s 1 -158143.25 6 +311495.17 7030.0 C57
2019-01-03 03:44:38 S 06 52 58.946 +11 30 48.46 V C57
2019-01-03 03:44:38 s 1 -158717.35 3 +310367.86 5660.0 C57
2019-01-03 04:44:38 S 06 52 54.502 +11 30 29.05 V C57
2019-01-03 04:44:38 s 1 -159851.38 0 +308086.15 3310.0 C57
2019-01-03 05:14:38 S 06 52 52.646 +11 30 24.26 V C57
2019-01-03 05:14:38 s 1 -160411.22 2 +306931.71 1880.0 C57
2019-01-03 05:44:38 S 06 52 50.590 +11 30 14.33 V C57
2019-01-03 05:44:38 s 1 -160966.22 4 +305768.19 3300.0 C57
2019-01-03 09:14:38 S 06 52 35.069 +11 29 16.33 V C57
2019-01-03 09:14:38 s 1 -164711.84 4 +297367.57 3530.0 C57
2019-01-03 09:44:38 S 06 52 32.978 +11 29 06.54 V C57
2019-01-03 09:44:38 s 1 -165226.45 0 +296130.66 9260.0 C57
2019-01-03 10:14:38 S 06 52 30.578 +11 29 00.28 V C57
2019-01-03 10:14:38 s 1 -165735.78 8 +294884.47 5650.0 C57
2019-01-03 11:13:29 C 06 52 36.88 +11 25 25.1 V T05
2019-01-03 11:26:27 C 06 52 35.93 +11 25 21.6 V T05
2019-01-03 11:38:37 C 06 52 35.06 +11 25 17.8 V T05
2019-01-03 11:51:35 C 06 52 34.15 +11 25 14.4 V T05
2019-01-03 12:14:38 S 06 52 22.397 +11 28 23.16 V C57
2019-01-03 12:14:38 s 1 -167719.44 0 +289806.60 2710.0 C57
2019-01-03 14:44:38 S 06 52 11.503 +11 27 38.70 V C57
2019-01-03 14:44:38 s 1 -170074.21 0 +283247.91 9560.0 C57
2019-01-03 15:14:38 S 06 52 09.317 +11 27 35.60 V C57
2019-01-03 15:14:38 s 1 -170527.97 4 +281907.75 7860.0 C57
2019-01-03 15:44:38 S 06 52 07.078 +11 27 22.32 V C57
2019-01-03 15:44:38 s 1 -170975.87 6 +280558.06 3780.0 C57
2019-01-03 16:14:38 S 06 52 05.016 +11 27 13.18 V C57
2019-01-03 16:14:38 s 1 -171417.85 6 +279198.82 7040.0 C57
2019-01-03 18:44:38 S 06 51 53.798 +11 26 32.57 V C57
2019-01-03 18:44:38 s 1 -173536.82 0 +272258.31 2440.0 C57
2019-01-04 04:14:38 S 06 51 12.617 +11 23 47.76 V C57
2019-01-04 04:14:38 s 1 -180080.21 2 +243638.05 640.0 C57
2019-01-04 07:14:38 S 06 50 59.678 +11 22 57.00 V C57
2019-01-04 07:14:38 s 1 -181593.97 3 +233838.20 4560.0 C57
2019-01-04 07:44:38 S 06 50 57.576 +11 22 50.16 V C57
2019-01-04 07:44:38 s 1 -181817.90 3 +232168.34 8340.0 C57
2019-01-04 08:44:38 S 06 50 52.805 +11 22 30.79 V C57
2019-01-04 08:44:38 s 1 -182240.59 6 +228796.96 9880.0 C57
2019-01-04 09:14:38 S 06 50 50.827 +11 22 23.59 V C57
2019-01-04 09:14:38 s 1 -182439.15 9 +227095.37 6600.0 C57
2019-01-04 09:44:38 S 06 50 48.655 +11 22 13.69 V C57
2019-01-04 09:44:38 s 1 -182629.06 4 +225383.13 6590.0 C57
2019-01-04 16:44:38 S 06 50 18.307 +11 20 07.30 V C57
2019-01-04 16:44:38 s 1 -184316.69 8 +200272.65 7830.0 C57