2018 BT1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3095177247 ± 2.93e-07
Semi-major axis (a)0.8651184849 AU ± 3.74e-09
Inclination (i)29.90775648° ± 2.49e-05
Long. of Asc. Node (Ω)121.00757771° ± 1.30e-06
Arg. of Perihelion (ω)140.69396865° ± 2.15e-05
Mean Anomaly (M)151.90307827° ± 5.48e-05
Mean Motion (n)1.2248950758°/day ± 7.95e-09
Perihelion dist (q)0.59734898 AU ± 2.53e-07
Aphelion dist (Q)1.13288799 AU ± 2.53e-07
Orbital Period0.80466181 yr ± 5.22e-09
Physical Parameters
H (abs. magnitude)23.06
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.382″
Uncertainty0
Orbit TypeAten
MOID0.038841 AU
Observations Used134
Radar Obs Used1
Oppositions1
Arc Total2018-2026
First Observation Used2018-01-17
Last Observation Used2026-01-10
Observations (140)
Date Type RA Dec Mag Band Observatory
2018-01-17 11:36:01 C 09 46 04.782 -05 19 13.40 U F51
2018-01-17 11:55:11 C 09 46 04.193 -05 15 30.99 U F51
2018-01-17 12:07:11 C 09 45 58.40 -05 13 31.7 U G96
2018-01-17 12:14:39 C 09 45 58.27 -05 12 04.6 U G96
2018-01-17 12:22:07 C 09 45 58.11 -05 10 37.6 U G96
2018-01-17 12:29:34 C 09 45 57.90 -05 09 09.8 U G96
2018-01-17 12:33:51 C 09 46 02.971 -05 08 00.48 U F51
2018-01-17 13:06:32 C 09 45 57.35 -05 01 55.3 U G96
2018-01-17 13:07:58 C 09 45 57.32 -05 01 38.2 U G96
2018-01-17 13:09:26 C 09 45 57.27 -05 01 22.0 U G96
2018-01-17 13:10:53 C 09 45 57.30 -05 01 03.6 U G96
2018-01-17 15:36:40 C 09 46 04.81 -04 29 55.1 U Q62
2018-01-17 15:45:19 C 09 46 04.57 -04 28 11.4 U Q62
2018-01-17 15:53:32 C 09 46 04.33 -04 26 31.6 U Q62
2018-01-17 16:52:40 C 09 46 02.62 -04 14 32.0 U Q62
2018-01-17 16:57:18 C 09 46 02.48 -04 13 35.5 U Q62
2018-01-17 17:03:16 C 09 46 02.27 -04 12 23.0 U Q62
2018-01-17 23:29:05 C 09 46 08.00 -02 53 57.4 S 033
2018-01-17 23:30:10 C 09 46 07.95 -02 53 42.4 S 033
2018-01-17 23:31:14 C 09 46 07.93 -02 53 29.1 S 033
2018-01-18 03:00:26 C 09 46 04.34 -02 06 49.6 U I89
2018-01-18 03:18:39 C 09 46 03.86 -02 02 42.9 U I89
2018-01-18 03:36:50 C 09 46 03.36 -01 58 35.8 U I89
2018-01-18 05:16:16 C 09 46 12.96 -01 35 42.3 U H01
2018-01-18 05:26:17 C 09 46 12.79 -01 33 23.8 U H01
2018-01-18 05:37:46 C 09 46 12.60 -01 30 44.6 U H01
2018-01-18 05:46:07 C 09 46 12.44 -01 28 48.8 U H01
2018-01-18 06:24:16 C 09 46 12.08 -01 19 53.3 U I52
2018-01-18 06:28:14 C 09 46 12.01 -01 18 57.9 U I52
2018-01-18 06:28:24 C 09 46 11.98 -01 18 55.8 U I52
2018-01-18 06:28:35 C 09 46 11.99 -01 18 53.2 U I52
2018-01-18 09:06:59 C 09 46 06.58 -00 41 24.7 U H06
2018-01-18 09:28:45 C 09 46 05.91 -00 36 10.6 U H06
2018-01-18 09:41:57 C 09 46 05.44 -00 32 59.5 U H06
2018-01-18 12:33:40 C 09 46 13.76 +00 11 38.9 U Q62
2018-01-18 12:43:18 C 09 46 13.57 +00 14 03.7 U Q62
2018-01-18 12:51:30 C 09 46 13.36 +00 16 05.8 U Q62
2018-01-18 13:21:55 C 09 46 04.77 +00 21 37.6 U T08
2018-01-18 13:36:22 C 09 46 04.25 +00 25 15.3 U T08
2018-01-18 13:51:02 C 09 46 03.69 +00 28 54.6 U T08
2018-01-18 14:05:42 C 09 46 03.24 +00 32 38.2 U T08
2018-01-18 14:37:33 C 09 46 10.04 +00 42 53.9 q E23
2018-01-18 14:50:03 C 09 46 09.61 +00 46 05.1 q E23
2018-01-18 15:02:33 C 09 46 09.17 +00 49 16.4 q E23
2018-01-18 22:57:03 C 09 46 12.49 +02 52 05.3 U J95
2018-01-18 23:00:24 C 09 46 12.42 +02 53 01.2 U J95
2018-01-18 23:02:25 C 09 46 12.40 +02 53 34.8 U J95
2018-01-18 23:04:43 C 09 46 12.36 +02 54 14.8 U J69
2018-01-18 23:12:19 C 09 46 12.21 +02 56 21.4 U J69
2018-01-18 23:19:55 C 09 46 12.04 +02 58 28.4 U J69
Radar Observations (1)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2018-01-20 06:32:00 157661.9969 0.4 Hz 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)