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
2018-08-08 04:32:16 C 05 02 00.02 +38 03 25.2 U J04
2018-08-08 04:43:07 C 05 02 02.08 +38 03 40.3 U J04
2018-08-08 05:04:18 C 05 02 06.05 +38 04 08.8 U J04
2018-08-09 04:30:45 C 05 06 34.34 +38 35 10.0 U J04
2018-08-09 04:57:54 C 05 06 39.52 +38 35 46.2 U J04
2018-08-09 05:02:47 C 05 06 40.46 +38 35 52.2 U J04
2019-01-25 10:38:19 C 11 16 34.10 +45 07 55.3 V I52
2019-01-25 10:43:07 C 11 16 33.51 +45 07 55.8 V I52
2019-01-25 11:16:11 C 11 16 29.73 +45 08 01.5 V I52
2019-03-04 05:32:14 C 09 22 34.40 +39 35 34.3 V G96
2019-03-04 05:39:45 C 09 22 33.68 +39 35 28.3 V G96
2019-03-04 05:47:17 C 09 22 33.02 +39 35 21.9 V G96
2019-03-04 05:54:48 C 09 22 32.25 +39 35 15.1 V G96
2021-02-07 09:36:57 C 12 17 17.39 +06 34 48.1 V V06
2021-02-07 09:55:57 C 12 17 16.35 +06 34 43.5 V V06
2021-02-07 10:03:56 C 12 17 15.92 +06 34 42.2 V V06
2021-02-16 13:46:39 C 12 03 14.571 +05 50 19.42 U F51
2021-02-16 14:04:24 C 12 03 13.229 +05 50 16.23 U F51
2021-02-16 14:22:06 C 12 03 11.864 +05 50 12.70 U F51
2021-02-16 14:39:51 C 12 03 10.528 +05 50 09.12 U F51
2021-03-06 07:45:04 C 11 25 40.63 +04 30 04.8 V G96
2021-03-06 07:52:25 C 11 25 39.92 +04 30 02.6 V G96
2021-03-06 07:59:47 C 11 25 39.24 +04 30 01.0 V G96
2021-03-06 08:07:08 C 11 25 38.43 +04 29 59.7 V G96
2021-04-09 07:36:19 C 10 19 14.503 +01 39 41.86 U F51
2021-04-09 07:55:10 C 10 19 13.530 +01 39 37.09 U F51
2021-04-09 08:14:00 C 10 19 12.531 +01 39 33.07 U F51
2021-04-09 08:32:53 C 10 19 11.543 +01 39 28.49 U F51
2021-04-17 08:52:32 C 10 11 16.803 +00 53 26.80 U F51
2021-04-17 09:08:19 C 10 11 16.252 +00 53 22.80 U F51
2021-04-17 09:24:08 C 10 11 15.711 +00 53 18.65 U F51
2021-04-17 09:39:53 C 10 11 15.182 +00 53 14.94 U F51
2023-03-13 05:07:06 C 12 59 49.92 -29 20 46.7 V 807
2023-03-13 05:20:24 C 12 59 48.82 -29 20 55.8 V 807
2023-03-13 05:33:44 C 12 59 47.73 -29 21 04.8 V 807
2023-03-15 06:10:03 C 12 55 47.17 -29 52 59.9 X W84
2023-03-15 06:24:18 C 12 55 45.92 -29 53 09.1 X W84
2023-03-15 06:38:35 C 12 55 44.66 -29 53 18.2 X W84
2025-08-28 23:27:24 C 13 34 47.410 -70 54 21.10 V 807
2025-08-28 23:36:56 C 13 34 52.690 -70 54 06.90 V 807
2025-08-28 23:46:29 C 13 34 57.920 -70 53 52.40 V 807
2025-09-25 15:10:27 B 17 37 05.206 -03 49 37.09 W M73
2025-09-25 15:19:34 B 17 37 06.646 -03 48 19.19 W M73
2025-09-25 15:30:12 B 17 37 08.278 -03 46 48.97 W M73
2025-10-01 05:41:25 C 17 56 56.724 +12 48 33.60 X F52
2025-10-01 05:56:58 C 17 56 58.568 +12 50 11.44 X F52
2025-10-01 06:12:49 C 17 57 00.442 +12 51 50.60 X F52
2025-10-01 06:28:49 C 17 57 02.354 +12 53 30.93 X F52
2025-10-04 06:06:50 C 18 05 46.428 +19 45 42.34 V T08
2025-10-04 06:10:47 C 18 05 46.901 +19 46 01.92 V T08