869984 (2016 UJ31)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3289236511 ± 3.08e-08
Semi-major axis (a)1.4799472930 AU ± 1.47e-09
Inclination (i)30.27835178° ± 1.04e-05
Long. of Asc. Node (Ω)348.59247410° ± 1.06e-05
Arg. of Perihelion (ω)5.14898394° ± 1.25e-05
Mean Anomaly (M)31.30561163° ± 4.57e-06
Mean Motion (n)0.5474480374°/day ± 8.16e-10
Perihelion dist (q)0.99315763 AU ± 4.57e-08
Aphelion dist (Q)1.96673696 AU ± 4.57e-08
Orbital Period1.80040153 yr ± 2.69e-09
Physical Parameters
H (abs. magnitude)19.44
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.255″
Uncertainty0
Orbit TypeApollo
MOID0.014322 AU
Observations Used121
Oppositions6
Arc Total2012-2025
First Observation Used2012-03-13
Last Observation Used2025-11-03
Observations (125)
Date Type RA Dec Mag Band Observatory
2025-10-04 06:23:20 C 18 05 48.180 +19 47 07.44 V T08
2025-10-04 06:50:13 C 18 05 51.050 +19 49 26.04 V T08
2025-10-05 06:02:29 C 18 08 27.970 +21 46 40.76 V T05
2025-10-05 06:07:05 C 18 08 28.596 +21 47 02.90 V T05
2025-10-05 06:15:44 C 18 08 29.465 +21 47 45.74 V T05
2025-10-05 06:32:21 C 18 08 31.082 +21 49 06.35 V T05
2025-10-06 03:40:02 C 18 10 48.821 +23 29 20.58 V G96
2025-10-06 03:48:43 C 18 10 49.678 +23 30 00.07 V G96
2025-10-06 03:57:24 C 18 10 50.538 +23 30 39.74 V G96
2025-10-12 19:59:31 B 18 26 11.55 +33 32 12.0 V I93
2025-10-12 20:05:52 B 18 26 12.07 +33 32 31.1 V I93
2025-10-12 20:11:57 B 18 26 12.57 +33 32 49.2 V I93
2025-10-13 06:27:18 C 18 27 05.410 +34 03 48.46 V T05
2025-10-13 06:33:15 C 18 27 05.909 +34 04 05.38 V T05
2025-10-13 06:43:04 C 18 27 06.662 +34 04 33.31 V T05
2025-10-13 07:04:43 C 18 27 08.390 +34 05 35.48 V T05
2025-10-13 18:42:07 B 18 28 09.014 +34 39 21.78 X K19
2025-10-13 18:47:18 B 18 28 09.434 +34 39 36.40 X K19
2025-10-13 18:52:30 B 18 28 09.842 +34 39 51.01 X K19
2025-10-15 19:51:11 B 18 32 13.90 +36 52 42.2 X 122
2025-10-15 20:01:02 B 18 32 14.64 +36 53 06.9 X 122
2025-10-15 20:10:19 B 18 32 15.35 +36 53 30.3 X 122
2025-11-03 03:13:45 C 19 05 21.534 +49 27 22.82 V G96
2025-11-03 03:22:35 C 19 05 22.175 +49 27 32.65 V G96
2025-11-03 03:30:27 C 19 05 22.794 +49 27 41.83 V G96