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
2014-05-27 06:38:01 C 15 13 18.09 -18 41 11.0 q G96
2014-06-02 04:35:01 C 15 11 56.63 -18 22 22.7 R G45
2014-06-02 04:51:43 C 15 11 56.45 -18 22 20.9 R G45
2014-06-02 04:53:34 C 15 11 56.46 -18 22 20.4 R G45
2014-06-02 05:10:14 C 15 11 56.28 -18 22 18.5 R G45
2014-06-02 05:25:03 C 15 11 56.15 -18 22 16.7 R G45
2014-06-02 05:26:53 C 15 11 56.12 -18 22 16.6 R G45
2014-06-02 05:43:32 C 15 11 55.97 -18 22 14.6 R G45
2014-06-14 05:56:04 C 15 13 13.43 -18 04 16.8 q G96
2014-06-14 06:04:46 C 15 13 13.53 -18 04 16.7 q G96
2014-06-14 06:13:26 C 15 13 13.60 -18 04 16.5 q G96
2014-06-14 06:22:07 C 15 13 13.68 -18 04 16.1 q G96
2014-06-19 08:05:02 C 15 15 21.970 -18 04 38.45 L F51
2014-06-19 08:20:17 C 15 15 22.228 -18 04 38.74 L F51
2014-06-19 08:35:32 C 15 15 22.484 -18 04 39.04 L F51
2014-06-19 08:50:47 C 15 15 22.747 -18 04 39.26 L F51
2014-06-24 05:02:13 C 15 18 14.08 -18 09 02.9 q G96
2014-06-24 05:11:00 C 15 18 14.28 -18 09 03.3 q G96
2014-06-24 05:19:45 C 15 18 14.50 -18 09 03.9 q G96
2014-06-24 05:28:32 C 15 18 14.70 -18 09 04.2 q G96
2014-06-29 05:53:03 C 15 21 59.50 -18 17 13.9 q 703
2014-06-29 06:02:41 C 15 21 59.75 -18 17 14.6 q 703
2014-06-29 06:16:43 C 15 22 00.16 -18 17 14.9 q 703
2014-06-29 06:26:23 C 15 22 00.50 -18 17 17.2 q 703
2014-07-01 07:36:01 C 15 23 45.856 -18 21 33.30 L F51
2014-07-01 07:52:17 C 15 23 46.397 -18 21 34.77 L F51
2014-07-01 08:08:31 C 15 23 46.936 -18 21 36.22 L F51
2014-07-01 08:24:44 C 15 23 47.477 -18 21 37.68 L F51
2014-07-25 06:49:07 C 15 51 50.623 -19 38 45.99 L F51
2014-07-25 07:04:21 C 15 51 51.472 -19 38 48.40 L F51
2014-07-25 07:19:34 C 15 51 52.334 -19 38 50.79 L F51
2015-11-03 07:07:10 C 02 18 37.08 +14 54 51.1 q G96
2015-11-03 07:14:32 C 02 18 36.67 +14 54 48.6 q G96
2015-11-03 07:21:49 C 02 18 36.21 +14 54 46.3 q G96
2015-11-03 07:29:10 C 02 18 35.82 +14 54 44.9 q G96
2015-11-18 07:01:38 C 01 59 35.244 +13 08 10.62 L F51
2015-11-18 07:16:29 C 01 59 34.516 +13 08 06.65 L F51
2015-11-18 07:31:21 C 01 59 33.776 +13 08 02.59 L F51
2015-11-18 07:46:18 C 01 59 33.049 +13 07 58.43 L F51
2015-12-03 05:09:20 C 01 46 07.328 +11 44 11.29 L F51
2015-12-03 05:27:23 C 01 46 06.811 +11 44 08.12 L F51
2015-12-03 05:45:24 C 01 46 06.298 +11 44 04.93 L F51
2015-12-03 06:03:29 C 01 46 05.780 +11 44 01.73 L F51
2015-12-14 07:47:25 C 01 41 18.880 +11 09 13.21 L F51
2015-12-14 08:06:44 C 01 41 18.672 +11 09 11.59 L F51
2015-12-14 08:25:58 C 01 41 18.494 +11 09 10.07 L F51
2015-12-14 08:45:09 C 01 41 18.278 +11 09 08.51 L F51
2015-12-31 06:25:45 C 01 42 57.442 +11 07 10.72 L F51
2015-12-31 06:41:54 C 01 42 57.687 +11 07 11.91 L F51
2015-12-31 06:57:59 C 01 42 57.936 +11 07 12.93 L F51