2019 UN12

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.8461800794 ± 9.39e-09
Semi-major axis (a)2.2562223379 AU ± 3.43e-09
Inclination (i)5.19316385° ± 4.24e-06
Long. of Asc. Node (Ω)222.54238631° ± 4.52e-06
Arg. of Perihelion (ω)301.79587916° ± 5.93e-06
Mean Anomaly (M)264.59435262° ± 1.27e-06
Mean Motion (n)0.2908301546°/day ± 6.64e-10
Perihelion dist (q)0.34705194 AU ± 2.12e-08
Aphelion dist (Q)4.16539273 AU ± 2.21e-08
Orbital Period3.38900994 yr ± 7.74e-09
Physical Parameters
H (abs. magnitude)21.86
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.250″
Uncertainty0
Orbit TypeApollo
MOID0.011053 AU
Observations Used145
Radar Obs Used2
Oppositions1
Arc Total2019-2023
First Observation Used2019-10-23
Last Observation Used2023-07-16
Observations (149)
Date Type RA Dec Mag Band Observatory
2019-11-05 09:15:15 C 04 11 38.25 +22 04 45.1 V G96
2019-11-05 09:29:50 C 04 11 39.16 +22 04 34.7 V G96
2019-11-05 09:29:59 C 04 11 39.21 +22 04 35.4 o 695
2019-11-05 09:33:31 C 04 11 39.43 +22 04 32.9 o 695
2019-11-05 09:37:04 C 04 11 39.66 +22 04 30.3 o 695
2019-11-05 09:37:09 C 04 11 39.63 +22 04 29.5 V G96
2019-11-05 11:04:31 C 04 11 45.20 +22 03 26.1 o 691
2019-11-05 11:11:21 C 04 11 45.66 +22 03 21.0 o 691
2019-11-05 11:18:10 C 04 11 46.11 +22 03 16.1 o 691
2019-11-06 06:26:19 C 04 13 28.62 +21 49 26.2 V W85
2019-11-06 06:33:33 C 04 13 29.17 +21 49 19.8 V W85
2019-11-06 06:40:46 C 04 13 29.73 +21 49 13.5 V W85
2019-11-06 06:48:00 C 04 13 30.29 +21 49 07.0 V W85
2019-11-06 06:53:47 C 04 13 30.73 +21 49 01.7 V W85
2019-11-07 01:39:31 C 04 15 30.94 +21 28 55.5 V 204
2019-11-07 01:45:21 C 04 15 31.53 +21 28 48.9 V 204
2019-11-07 01:51:10 C 04 15 32.13 +21 28 42.2 V 204
2019-11-07 08:37:20 C 04 16 23.52 +21 21 04.6 V 703
2019-11-07 08:42:28 C 04 16 24.03 +21 20 58.3 V 703
2019-11-07 08:47:36 C 04 16 24.58 +21 20 51.9 V 703
2019-11-07 08:52:44 C 04 16 25.11 +21 20 45.7 V 703
2019-11-07 13:00:45 C 04 16 56.304 +21 15 45.84 U F51
2019-11-07 13:20:41 C 04 16 58.549 +21 15 18.71 U F51
2019-11-07 14:00:18 C 04 17 03.097 +21 14 23.83 U F51
2019-11-08 11:40:36 C 04 20 34.46 +20 40 31.3 V T05
2019-11-08 11:54:44 C 04 20 36.72 +20 40 05.2 V T05
2019-11-08 12:00:26 C 04 20 37.62 +20 39 54.0 V T05
2019-11-08 12:15:52 C 04 20 40.04 +20 39 25.0 V T05
2019-11-08 13:11:28 C 04 20 48.92 +20 37 37.2 V T05
2019-11-09 02:11:29 C 04 23 36.34 +20 09 33.0 17.0 q J43
2019-11-09 02:25:08 C 04 23 39.20 +20 08 59.5 17.3 q J43
2019-11-09 02:38:43 C 04 23 41.96 +20 08 26.4 17.1 q J43
2019-11-09 02:52:19 C 04 23 44.77 +20 07 53.2 17.3 q J43
2019-11-09 05:24:03 C 04 24 29.30 +20 01 21.9 V 703
2019-11-09 05:30:22 C 04 24 30.75 +20 01 06.3 V 703
2019-11-09 05:34:09 C 04 24 31.72 +20 00 57.7 o 291
2019-11-09 05:36:41 C 04 24 32.19 +20 00 50.4 V 703
2019-11-09 05:38:11 C 04 24 32.65 +20 00 47.7 o 291
2019-11-09 05:43:00 C 04 24 33.68 +20 00 34.6 V 703
2019-11-09 05:43:58 C 04 24 33.98 +20 00 33.5 o 291
2019-11-09 07:01:51 C 04 24 51.80 +19 57 17.1 o 291
2019-11-09 07:05:08 C 04 24 52.53 +19 57 08.7 o 291
2019-11-09 07:08:24 C 04 24 53.27 +19 57 00.2 o 291
2019-11-10 01:20:48 C 04 30 26.96 +18 57 38.2 V K87
2019-11-10 01:29:51 C 04 30 30.05 +18 57 02.3 V K87
2019-11-10 01:37:24 C 04 30 32.64 +18 56 32.2 V K87
2019-11-10 09:39:06 C 04 33 57.42 +18 22 38.4 V T08
2019-11-10 09:43:48 C 04 33 59.36 +18 22 16.1 V T08
2019-11-10 09:51:59 C 04 34 02.71 +18 21 37.2 V T08
2019-11-10 10:06:17 C 04 34 08.60 +18 20 29.1 V T08
Radar Observations (2)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2019-11-12 05:33:00 421434.9097 4 Hz 2380 -1 -1
2019-11-12 06:22:00 23644146.76 4 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)