1998 BY7

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6087015120 ± 5.04e-08
Semi-major axis (a)2.0196750715 AU ± 2.17e-09
Inclination (i)3.28171389° ± 7.33e-06
Long. of Asc. Node (Ω)121.87339232° ± 3.97e-05
Arg. of Perihelion (ω)90.61487303° ± 4.17e-05
Mean Anomaly (M)218.01524343° ± 5.41e-06
Mean Motion (n)0.3433918777°/day ± 5.54e-10
Perihelion dist (q)0.79029580 AU ± 1.02e-07
Aphelion dist (Q)3.24905434 AU ± 1.02e-07
Orbital Period2.87026673 yr ± 4.63e-09
Physical Parameters
H (abs. magnitude)21.47
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.342″
Uncertainty0
Orbit TypeApollo
MOID0.023100 AU
Observations Used151
Radar Obs Used2
Oppositions1
Arc Total1998-2021
First Observation Used1998-01-22
Last Observation Used2021-08-04
Observations (162)
Date Type RA Dec Mag Band Observatory
1998-01-22 07:59:28 c 09 12 02.76 +16 41 16.3 i 691
1998-01-22 08:31:30 c 09 12 02.81 +16 41 31.8 i 691
1998-01-22 09:03:03 c 09 12 02.87 +16 41 47.7 i 691
1998-01-23 08:50:43 c 09 12 17.21 +16 53 58.3 i 691
1998-01-23 08:59:20 c 09 12 17.22 +16 54 02.8 i 691
1998-01-23 09:07:51 c 09 12 17.23 +16 54 07.3 i 691
1998-01-24 08:58:28 c 09 12 30.88 +17 07 25.5 i 691
1998-01-24 09:07:24 c 09 12 30.87 +17 07 31.0 i 691
1998-01-24 09:21:35 c 09 12 30.89 +17 07 38.4 i 691
1998-01-24 10:14:12 C 09 12 32.60 +17 08 16.0 o 566
1998-01-24 10:28:47 C 09 12 32.58 +17 08 24.9 o 566
1998-01-24 10:44:06 C 09 12 32.55 +17 08 34.4 o 566
1998-01-25 07:29:02 c 09 12 43.99 +17 21 04.3 i 691
1998-01-25 08:00:40 c 09 12 43.96 +17 21 24.8 i 691
1998-01-25 08:33:12 c 09 12 44.02 +17 21 45.4 i 691
1998-01-25 09:44:46 C 09 12 45.67 +17 22 37.3 o 566
1998-01-25 10:06:08 C 09 12 45.64 +17 22 51.1 o 566
1998-01-25 22:51:14 C 09 12 52.16 +17 30 52.3 557
1998-01-25 22:55:11 C 09 12 52.16 +17 30 55.1 557
1998-01-25 23:06:38 C 09 12 52.14 +17 31 03.2 557
1998-01-25 23:10:33 C 09 12 52.13 +17 31 05.0 557
1998-01-27 00:26:24 C 09 13 04.55 +17 48 46.6 046
1998-01-27 00:29:53 C 09 13 04.58 +17 48 49.1 046
1998-01-27 00:33:15 C 09 13 04.58 +17 48 52.1 046
1998-01-27 03:38:15 C 09 13 04.91 +17 51 04.5 z 118
1998-01-27 03:45:44 C 09 13 04.94 +17 51 10.2 z 118
1998-01-27 03:52:00 C 09 13 04.95 +17 51 14.0 z 118
1998-01-28 01:27:52 C 09 13 16.63 +18 07 56.8 557
1998-01-29 16:15:15 C 09 13 36.49 +18 41 47.0 360
1998-01-29 16:22:15 C 09 13 36.48 +18 41 53.2 360
1998-01-29 16:29:29 C 09 13 36.46 +18 41 59.8 360
1998-01-31 15:27:00 C 09 14 01.48 +19 30 11.0 360
1998-01-31 15:33:29 C 09 14 01.46 +19 30 18.3 360
1998-01-31 15:39:29 C 09 14 01.44 +19 30 25.0 360
1998-01-31 22:54:46 C 09 14 05.73 +19 38 31.0 046
1998-01-31 22:57:32 C 09 14 05.83 +19 38 34.0 046
1998-01-31 22:59:26 C 09 14 05.79 +19 38 36.7 046
1998-02-01 12:07:54 C 09 14 14.54 +19 55 19.3 z 422
1998-02-01 12:10:09 C 09 14 14.58 +19 55 22.5 z 422
1998-02-01 13:03:30 C 09 14 15.11 +19 55 34.7 z 367
1998-02-01 13:13:29 C 09 14 15.21 +19 55 45.5 z 367
1998-02-01 19:32:34 C 09 14 19.23 +20 03 25.6 557
1998-02-01 19:35:55 C 09 14 19.21 +20 03 30.2 557
1998-02-01 19:39:16 C 09 14 19.21 +20 03 34.7 557
1998-02-02 01:02:48 C 09 14 19.42 +20 10 34.5 z 118
1998-02-02 01:05:50 C 09 14 19.35 +20 10 38.2 z 118
1998-02-02 01:09:46 C 09 14 19.36 +20 10 43.1 z 118
1998-02-02 14:45:29 C 09 14 29.56 +20 29 07.9 360
1998-02-02 14:50:00 C 09 14 29.54 +20 29 14.1 360
1998-02-02 14:57:29 C 09 14 29.51 +20 29 24.5 360
Radar Observations (2)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
1998-02-21 05:30:00 -25905 10 Hz 8510 -14 -14
1998-02-21 07:30:00 -43915 10 Hz 8510 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m)