2019 XR1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6158289706 ± 8.61e-07
Semi-major axis (a)2.3521049623 AU ± 5.23e-06
Inclination (i)1.94172066° ± 2.03e-05
Long. of Asc. Node (Ω)258.17113918° ± 4.27e-05
Arg. of Perihelion (ω)135.57898597° ± 6.33e-05
Mean Anomaly (M)242.92555815° ± 2.02e-03
Mean Motion (n)0.2732292745°/day ± 9.11e-07
Perihelion dist (q)0.90361058 AU ± 2.85e-06
Aphelion dist (Q)3.80059934 AU ± 8.68e-06
Orbital Period3.60732314 yr ± 1.20e-05
Physical Parameters
H (abs. magnitude)26.10
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.510″
Uncertainty1
Orbit TypeApollo
MOID0.003289 AU
Observations Used81
Radar Obs Used3
Oppositions1
Arc Total2019-2019
First Observation Used2019-12-05
Last Observation Used2019-12-20
Observations (81)
Date Type RA Dec Mag Band Observatory
2019-12-05 12:26:06 C 07 51 19.61 +56 04 02.4 V T08
2019-12-05 12:31:51 C 07 50 51.59 +55 53 57.5 V T08
2019-12-05 12:42:40 C 07 49 59.83 +55 35 03.5 V T08
2019-12-05 12:57:23 C 07 48 51.98 +55 09 44.3 V T08
2019-12-05 20:10:29 C 07 31 27.02 +45 17 46.6 S O75
2019-12-05 20:10:57 C 07 31 26.19 +45 17 18.1 S O75
2019-12-05 20:11:23 C 07 31 25.41 +45 16 49.4 S O75
2019-12-05 20:12:46 C 07 31 22.91 +45 15 22.6 S O75
2019-12-05 20:14:09 C 07 31 20.40 +45 13 57.3 S O75
2019-12-05 20:14:37 C 07 31 19.56 +45 13 27.5 S O75
2019-12-05 20:15:31 C 07 31 17.91 +45 12 31.7 S O75
2019-12-05 20:16:54 C 07 31 15.50 +45 11 06.2 S O75
2019-12-05 20:18:45 C 07 31 12.12 +45 09 12.0 S O75
2019-12-05 22:12:32 C 07 29 49.93 +43 16 11.9 V 246
2019-12-05 22:12:50 C 07 29 49.47 +43 15 56.5 V 246
2019-12-05 22:12:57 C 07 29 49.32 +43 15 49.3 V 246
2019-12-05 22:13:05 C 07 29 49.08 +43 15 42.5 V 246
2019-12-05 22:13:14 C 07 29 48.90 +43 15 35.3 V 246
2019-12-05 22:13:22 C 07 29 48.71 +43 15 28.6 V 246
2019-12-05 22:13:29 C 07 29 48.51 +43 15 21.4 V 246
2019-12-05 22:13:37 C 07 29 48.31 +43 15 14.7 V 246
2019-12-05 22:18:13 C 07 29 41.79 +43 11 14.7 V 246
2019-12-05 22:18:21 C 07 29 41.61 +43 11 07.6 V 246
2019-12-05 22:18:28 C 07 29 41.39 +43 11 00.3 V 246
2019-12-05 22:18:36 C 07 29 41.23 +43 10 53.6 V 246
2019-12-05 22:18:45 C 07 29 40.99 +43 10 46.9 V 246
2019-12-05 22:18:52 C 07 29 40.84 +43 10 39.8 V 246
2019-12-05 22:50:47 C 07 28 39.12 +42 44 05.1 q 585
2019-12-05 22:51:42 C 07 28 37.85 +42 43 18.5 q 585
2019-12-05 22:52:23 C 07 28 36.87 +42 42 42.7 q 585
2019-12-05 22:53:26 C 07 28 35.40 +42 41 48.7 q 585
2019-12-05 22:54:05 C 07 28 34.49 +42 41 15.7 q 585
2019-12-05 22:55:41 C 07 28 32.22 +42 39 53.8 q 585
2019-12-05 22:56:57 C 07 28 30.35 +42 38 48.1 q 585
2019-12-05 22:57:37 C 07 28 29.45 +42 38 13.8 q 585
2019-12-05 22:58:59 C 07 28 27.49 +42 37 04.5 q 585
2019-12-05 23:11:48 C 07 28 21.63 +42 24 47.2 V K80
2019-12-05 23:56:54 C 07 27 21.78 +41 47 52.7 V K80
2019-12-06 01:43:59 C 07 25 19.14 +40 27 26.5 V K38
2019-12-06 01:46:24 C 07 25 16.30 +40 25 41.0 V K38
2019-12-06 01:48:48 C 07 25 13.50 +40 23 55.1 V K38
2019-12-06 01:51:12 C 07 25 10.75 +40 22 09.3 V K38
2019-12-06 01:53:49 C 07 25 07.69 +40 20 15.4 V K38
2019-12-06 03:35:51 C 07 24 44.15 +39 07 44.3 V W34
2019-12-06 03:39:55 C 07 24 40.29 +39 05 11.6 V W34
2019-12-06 04:00:02 C 07 22 54.86 +38 52 36.8 V 204
2019-12-06 04:01:41 C 07 22 53.30 +38 51 31.6 V 204
2019-12-06 04:02:49 C 07 24 18.77 +38 51 01.7 V W34
2019-12-06 04:03:19 C 07 22 51.77 +38 50 26.6 V 204
2019-12-06 04:04:58 C 07 22 50.21 +38 49 21.3 V 204
Radar Observations (3)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2019-12-08 06:14:00 -182103.5604 0.4 Hz 2380 -1 -1
2019-12-08 06:34:00 22985855.64 4 us 2380 -1 -1
2019-12-08 06:57:00 23091971.78 4 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)