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
2018-01-18 23:27:32 C 09 46 11.88 +03 00 35.4 U J69
2018-01-19 00:39:37 C 09 46 09.17 +03 20 56.1 U 204
2018-01-19 00:44:15 C 09 46 09.01 +03 22 14.7 U 204
2018-01-19 00:48:54 C 09 46 08.89 +03 23 33.1 U 204
2018-01-19 00:52:59 C 09 46 09.67 +03 24 32.0 U Z80
2018-01-19 00:53:15 C 09 46 08.73 +03 24 46.8 U 204
2018-01-19 00:57:27 C 09 46 08.59 +03 25 58.2 U 204
2018-01-19 01:03:26 C 09 46 09.42 +03 27 29.5 U Z80
2018-01-19 01:13:54 C 09 46 09.09 +03 30 28.1 U Z80
2018-01-19 07:10:41 C 09 46 06.45 +05 18 24.7 U W88
2018-01-19 07:15:05 C 09 46 06.31 +05 19 44.4 U W88
2018-01-19 07:20:02 C 09 46 06.11 +05 21 14.3 U W88
2018-01-19 07:25:08 C 09 46 05.89 +05 22 46.8 U W88
2018-01-19 07:34:36 C 09 46 11.72 +05 22 44.5 U 703
2018-01-19 07:42:07 C 09 46 11.46 +05 25 01.4 U 703
2018-01-19 07:49:38 C 09 46 11.20 +05 27 19.8 U 703
2018-01-19 07:57:10 C 09 46 10.89 +05 29 36.7 U 703
2018-01-19 08:11:27 C 09 46 06.60 +05 33 52.4 u 850
2018-01-19 08:16:48 C 09 46 06.28 +05 35 29.2 u 850
2018-01-19 08:22:16 C 09 46 06.08 +05 37 10.0 u 850
2018-01-19 08:27:43 C 09 46 05.85 +05 38 49.9 u 850
2018-01-19 08:33:38 C 09 46 05.63 +05 40 38.3 u 850
2018-01-19 08:38:58 C 09 46 05.43 +05 42 16.2 u 850
2018-01-19 13:06:25 C 09 46 05.17 +07 06 51.5 U T08
2018-01-19 13:08:45 C 09 46 05.11 +07 07 36.9 U T08
2018-01-19 13:09:30 C 09 46 05.03 +07 07 51.6 U T08
2018-01-19 13:34:30 C 09 46 03.90 +07 15 53.2 U T08
2018-01-19 13:36:21 C 09 46 03.78 +07 16 29.1 U T08
2018-01-19 13:42:40 C 09 46 03.50 +07 18 30.9 U T08
2018-01-19 13:43:20 C 09 46 03.50 +07 18 44.4 U T08
2018-01-19 14:05:52 C 09 46 02.50 +07 26 00.6 U T08
2018-01-19 20:27:04 C 09 46 13.64 +09 32 20.1 q K61
2018-01-19 20:27:28 C 09 46 13.63 +09 32 28.8 q K61
2018-01-19 20:27:53 C 09 46 13.62 +09 32 37.5 q K61
2018-01-19 20:28:18 C 09 46 13.61 +09 32 46.1 q K61
2018-01-19 20:28:37 C 09 46 13.61 +09 32 52.6 q K61
2018-01-19 22:32:50 C 09 46 11.71 +10 16 39.2 18.0 U K63
2018-01-19 22:37:22 C 09 46 11.58 +10 18 15.8 18.0 U K63
2018-01-19 22:40:42 C 09 46 11.44 +10 19 26.7 18.2 U K63
2018-01-20 01:08:21 C 09 46 05.49 +11 12 22.9 q 595
2018-01-20 01:22:48 C 09 46 04.95 +11 17 37.9 q 595
2018-01-20 15:21:38 C 09 46 05.74 +16 45 33.8 m 408
2018-01-20 15:23:38 C 09 46 05.63 +16 46 23.4 m 408
2018-01-22 00:22:57 C 09 45 44.76 +32 38 13.7 q 160
2018-01-22 00:24:55 C 09 45 44.61 +32 39 17.9 q 160
2018-01-22 00:26:51 C 09 45 44.46 +32 40 21.3 q 160
2018-01-22 06:17:59 C 09 45 47.09 +35 53 21.5 U 703
2018-01-22 06:22:43 C 09 45 46.78 +35 56 00.7 U I52
2018-01-22 06:22:53 C 09 45 46.77 +35 56 06.8 U I52
2018-01-22 06:23:04 C 09 45 46.75 +35 56 12.9 U I52
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)