85867 (1999 BY9)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3021932844 ± 3.49e-08
Semi-major axis (a)1.8299259884 AU ± 2.98e-09
Inclination (i)0.94551739° ± 1.76e-06
Long. of Asc. Node (Ω)254.11835193° ± 1.61e-04
Arg. of Perihelion (ω)287.83634413° ± 1.61e-04
Mean Anomaly (M)263.14966918° ± 1.01e-05
Mean Motion (n)0.3981639981°/day ± 9.74e-10
Perihelion dist (q)1.27693464 AU ± 6.39e-08
Aphelion dist (Q)2.38291733 AU ± 6.39e-08
Orbital Period2.47542793 yr ± 6.05e-09
Physical Parameters
H (abs. magnitude)18.32
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.407″
Uncertainty0
Orbit TypeAmor
MOID0.280323 AU
Observations Used753
Oppositions18
Arc Total1995-2025
First Observation Used1995-09-19
Last Observation Used2025-12-16
Observations (789)
Date Type RA Dec Mag Band Observatory
2004-02-19 05:01:24 C 08 53 00.45 +14 07 53.8 16.8 d H72
2004-02-19 05:06:04 C 08 53 00.29 +14 07 54.1 17.2 d H72
2004-02-19 05:10:44 C 08 53 00.14 +14 07 54.8 16.7 d H72
2004-02-20 20:23:41 C 08 51 58.28 +14 10 27.0 c 046
2004-02-20 20:24:50 C 08 51 58.26 +14 10 26.9 c 046
2004-02-20 20:25:59 C 08 51 58.21 +14 10 26.9 c 046
2004-02-20 20:27:10 C 08 51 58.14 +14 10 27.3 c 046
2004-02-20 20:28:18 C 08 51 58.12 +14 10 27.3 c 046
2004-02-20 21:29:28 C 08 51 56.39 +14 10 31.3 r 240
2004-02-20 21:33:04 C 08 51 56.27 +14 10 31.5 r 240
2004-02-20 21:47:31 C 08 51 55.84 +14 10 32.5 r 240
2004-02-20 21:52:54 C 08 51 55.68 +14 10 32.8 r 240
2004-02-20 22:09:06 C 08 51 55.17 +14 10 33.9 r 240
2004-02-21 07:17:54 C 08 51 40.74 +14 11 13.3 r H41
2004-02-21 07:22:27 C 08 51 40.58 +14 11 15.2 r H41
2004-02-21 07:26:06 C 08 51 40.51 +14 11 15.2 r H41
2004-02-21 07:29:15 C 08 51 40.42 +14 11 14.1 r H41
2004-02-22 04:50:27 C 08 51 10.71 +14 12 37.3 r H41
2004-02-22 04:53:55 C 08 51 10.59 +14 12 37.3 r H41
2004-02-22 04:57:32 C 08 51 10.51 +14 12 37.6 r H41
2004-02-22 05:00:09 C 08 51 10.46 +14 12 37.9 r H41
2004-02-22 06:11:25 C 08 51 08.71 +14 12 42.9 17.9 c 704
2004-02-22 06:29:15 C 08 51 08.17 +14 12 43.3 17.9 c 704
2004-02-22 06:47:03 C 08 51 07.62 +14 12 44.9 18.4 c 704
2004-02-22 07:39:41 C 08 51 06.16 +14 12 46.9 17.6 c 704
2004-02-22 10:54:26 C 08 51 03.18 +14 13 24.8 r D85
2004-02-22 11:00:06 C 08 51 03.03 +14 13 25.0 r D85
2004-02-22 11:00:55 C 08 51 02.93 +14 13 25.7 r D85
2004-02-23 06:52:00 C 08 50 36.99 +14 14 15.6 18.2 c 608
2004-02-23 07:08:04 C 08 50 36.57 +14 14 16.6 19.3 c 608
2004-02-23 07:22:39 C 08 50 36.15 +14 14 17.7 18.3 c 608
2004-02-24 21:26:21 C 08 49 50.91 +14 16 12.1 r 185
2004-02-24 21:33:28 C 08 49 50.75 +14 16 12.6 r 185
2004-02-24 21:45:58 C 08 49 50.47 +14 16 13.1 r 185
2004-02-24 22:02:43 C 08 49 50.09 +14 16 14.3 r 185
2004-02-24 22:16:56 C 08 49 49.78 +14 16 14.7 r 185
2004-02-26 02:58:44 C 08 49 21.92 +14 17 39.5 d 712
2004-02-26 03:03:40 C 08 49 21.75 +14 17 41.4 d 712
2004-02-27 03:36:44 C 08 49 00.34 +14 18 45.2 c H41
2004-02-27 03:43:07 C 08 49 00.17 +14 18 45.6 c H41
2004-02-27 03:46:03 C 08 49 00.13 +14 18 46.0 c H41
2004-02-27 03:50:48 C 08 48 59.89 +14 18 46.7 c H41
2004-03-02 04:27:54 C 08 48 09.55 +14 21 34.0 r H41
2004-03-02 04:34:39 C 08 48 09.51 +14 21 34.5 r H41
2004-03-02 04:37:03 C 08 48 09.46 +14 21 33.9 r H41
2004-03-02 04:39:08 C 08 48 09.47 +14 21 34.7 r H41
2004-03-06 06:11:52 C 08 48 15.85 +14 21 53.1 r H41
2004-03-06 06:16:44 C 08 48 15.93 +14 21 52.7 r H41
2004-03-07 06:27:55 C 08 48 26.93 +14 21 31.4 c H41
2004-03-07 06:31:34 C 08 48 26.97 +14 21 31.2 c H41