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
2018-12-31 16:44:38 S 06 57 10.003 +11 47 03.59 V C57
2018-12-31 16:44:38 s 1 -67513.072 0 +384502.12 3190.0 C57
2018-12-31 17:14:39 S 06 57 07.435 +11 46 55.67 V C57
2018-12-31 17:14:39 s 1 -68425.678 0 +384358.10 540.0 C57
2018-12-31 17:44:38 S 06 57 05.717 +11 46 45.08 V C57
2018-12-31 17:44:38 s 1 -69336.744 0 +384205.86 7200.0 C57
2018-12-31 18:14:38 S 06 57 03.595 +11 46 38.50 V C57
2018-12-31 18:14:38 s 1 -70246.251 0 +384045.39 3300.0 C57
2018-12-31 18:44:39 S 06 57 01.378 +11 46 27.55 V C57
2018-12-31 18:44:39 s 1 -71154.179 0 +383876.70 8940.0 C57
2018-12-31 19:44:38 S 06 56 57.626 +11 46 13.40 V C57
2018-12-31 19:44:38 s 1 -72965.220 0 +383514.67 9350.0 C57
2018-12-31 20:14:39 S 06 56 55.248 +11 46 01.92 V C57
2018-12-31 20:14:39 s 1 -73868.293 0 +383321.34 4360.0 C57
2018-12-31 22:14:38 S 06 56 46.937 +11 45 27.11 V C57
2018-12-31 22:14:38 s 1 -77463.812 0 +382465.96 5750.0 C57
2018-12-31 23:39:07 C 06 56 39.42 +11 43 01.0 q 160
2018-12-31 23:42:02 C 06 56 39.20 +11 43 00.4 q 160
2018-12-31 23:44:55 C 06 56 38.99 +11 42 59.1 q 160
2019-01-01 02:44:38 S 06 56 27.900 +11 44 18.56 V C57
2019-01-01 02:44:38 s 1 -85450.149 0 +380061.94 5900.0 C57
2019-01-01 03:14:38 S 06 56 25.932 +11 44 10.14 V C57
2019-01-01 03:14:38 s 1 -86328.196 0 +379753.88 9890.0 C57
2019-01-01 03:44:38 S 06 56 24.026 +11 44 00.42 V C57
2019-01-01 03:44:38 s 1 -87204.305 0 +379437.64 2210.0 C57
2019-01-01 04:14:38 S 06 56 21.643 +11 43 54.19 V C57
2019-01-01 04:14:38 s 1 -88078.453 0 +379113.21 2730.0 C57
2019-01-01 04:44:38 S 06 56 19.430 +11 43 44.26 V C57
2019-01-01 04:44:38 s 1 -88950.621 0 +378780.60 1350.0 C57
2019-01-01 05:14:38 S 06 56 17.513 +11 43 39.29 V C57
2019-01-01 05:14:38 s 1 -89820.788 0 +378439.80 7940.0 C57
2019-01-01 05:44:38 S 06 56 15.518 +11 43 23.30 V C57
2019-01-01 05:44:38 s 1 -90688.933 0 +378090.81 2380.0 C57
2019-01-01 06:14:38 S 06 56 13.200 +11 43 20.39 V C57
2019-01-01 06:14:38 s 1 -91555.035 0 +377733.64 4550.0 C57
2019-01-01 06:44:38 S 06 56 11.290 +11 43 11.96 V C57
2019-01-01 06:44:38 s 1 -92419.074 0 +377368.29 4330.0 C57
2019-01-01 07:14:38 S 06 56 09.290 +11 43 04.44 V C57
2019-01-01 07:14:38 s 1 -93281.027 0 +376994.74 1610.0 C57
2019-01-01 07:44:38 S 06 56 06.878 +11 42 55.04 V C57
2019-01-01 07:44:38 s 1 -94140.875 0 +376613.01 6250.0 C57
2019-01-01 08:14:38 S 06 56 04.901 +11 42 51.95 V C57
2019-01-01 08:14:38 s 1 -94998.596 0 +376223.09 8150.0 C57
2019-01-01 08:44:38 S 06 56 02.743 +11 42 41.47 V C57
2019-01-01 08:44:38 s 1 -95854.168 0 +375824.98 7170.0 C57
2019-01-01 09:14:38 S 06 56 00.934 +11 42 37.12 V C57
2019-01-01 09:14:38 s 1 -96707.571 0 +375418.67 3210.0 C57
2019-01-01 09:44:38 S 06 55 58.558 +11 42 26.42 V C57
2019-01-01 09:44:38 s 1 -97558.782 0 +375004.17 6120.0 C57
2019-01-01 10:14:38 S 06 55 56.575 +11 42 18.36 V C57