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
2019-10-23 10:12:46 C 03 59 11.18 +23 14 14.1 V G96
2019-10-23 10:20:09 C 03 59 11.35 +23 14 13.9 V G96
2019-10-23 10:27:31 C 03 59 11.50 +23 14 13.7 V G96
2019-10-26 13:49:20 C 04 01 22.057 +23 10 13.54 V F51
2019-10-26 14:25:28 C 04 01 22.856 +23 10 09.66 V F51
2019-10-26 14:43:36 C 04 01 23.279 +23 10 07.54 V F51
2019-10-28 09:59:28 C 04 02 45.550 +23 05 43.38 U F51
2019-10-28 10:31:17 C 04 02 46.291 +23 05 40.23 U F51
2019-10-28 11:03:27 C 04 02 47.034 +23 05 36.70 U F51
2019-10-28 11:35:58 C 04 02 47.749 +23 05 33.05 U F51
2019-10-29 07:01:45 C 04 03 26.55 +23 02 45.1 V I52
2019-10-29 07:39:19 C 04 03 27.54 +23 02 40.3 V I52
2019-10-29 07:54:10 C 04 03 27.88 +23 02 38.1 V I52
2019-10-30 10:14:38 C 04 04 21.15 +22 58 12.4 V I52
2019-10-30 10:28:19 C 04 04 21.53 +22 58 09.2 V I52
2019-10-30 10:38:24 C 04 04 21.79 +22 58 07.2 V I52
2019-10-30 10:48:35 C 04 04 22.08 +22 58 05.2 V I52
2019-10-31 01:09:14 C 04 04 54.62 +22 55 03.3 V K87
2019-10-31 01:10:43 C 04 04 54.62 +22 55 03.1 V K87
2019-10-31 01:12:13 C 04 04 54.69 +22 55 02.4 V K87
2019-10-31 07:48:50 C 04 05 10.51 +22 53 45.8 V 703
2019-10-31 07:56:21 C 04 05 10.76 +22 53 45.5 V 703
2019-10-31 08:03:54 C 04 05 11.03 +22 53 44.2 V 703
2019-10-31 08:11:27 C 04 05 11.42 +22 53 40.7 V 703
2019-11-01 07:16:43 C 04 06 07.71 +22 47 56.9 o 291
2019-11-01 07:21:01 C 04 06 07.84 +22 47 55.9 o 291
2019-11-01 13:17:28 C 04 06 20.954 +22 46 24.56 V T12
2019-11-01 15:26:12 C 04 06 27.72 +22 46 21.7 V Q63
2019-11-01 15:30:30 C 04 06 27.86 +22 46 20.2 V Q63
2019-11-01 15:34:46 C 04 06 28.01 +22 46 18.8 V Q63
2019-11-01 15:39:03 C 04 06 28.14 +22 46 17.8 V Q63
2019-11-02 07:02:21 C 04 07 11.58 +22 40 43.9 o 691
2019-11-02 07:17:43 C 04 07 12.13 +22 40 39.2 o 691
2019-11-02 07:33:04 C 04 07 12.70 +22 40 34.3 o 691
2019-11-03 05:53:42 C 04 08 21.58 +22 32 10.4 o 691
2019-11-03 05:57:02 C 04 08 21.71 +22 32 09.1 o 691
2019-11-03 06:00:22 C 04 08 21.86 +22 32 07.6 o 691
2019-11-04 06:56:32 C 04 09 48.88 +22 20 33.1 o 691
2019-11-04 06:59:17 C 04 09 49.03 +22 20 31.8 o 691
2019-11-04 11:35:21 C 04 10 05.52 +22 18 17.1 V T05
2019-11-04 11:40:10 C 04 10 05.77 +22 18 14.3 V T05
2019-11-04 11:48:22 C 04 10 06.13 +22 18 10.1 V T05
2019-11-04 12:06:12 C 04 10 07.04 +22 17 59.9 V T05
2019-11-04 12:43:03 C 04 10 06.81 +22 17 18.9 o 695
2019-11-04 12:45:37 C 04 10 06.96 +22 17 17.3 o 695
2019-11-04 12:47:19 C 04 10 07.06 +22 17 16.2 o 695
2019-11-05 02:04:20 C 04 11 05.74 +22 09 32.0 18.9 q J43
2019-11-05 02:16:32 C 04 11 06.44 +22 09 24.3 19.0 q J43
2019-11-05 02:28:44 C 04 11 07.15 +22 09 16.2 18.8 q J43
2019-11-05 02:40:55 C 04 11 07.86 +22 09 08.1 18.7 q J43
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)