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
2004-03-18 05:34:35 C 08 54 33.30 +14 05 17.5 18.2 c 704
2004-03-18 05:51:23 C 08 54 33.84 +14 05 15.6 18.3 c 704
2004-03-18 06:08:07 C 08 54 34.38 +14 05 13.7 18.4 c 704
2004-03-18 06:27:29 C 08 54 35.01 +14 05 11.2 18.6 c 704
2004-03-18 06:43:49 C 08 54 35.54 +14 05 09.3 18.4 c 704
2004-03-20 04:35:00 C 08 56 25.98 +13 59 43.7 r H41
2004-03-20 04:37:41 C 08 56 26.03 +13 59 42.5 r H41
2004-03-20 04:41:38 C 08 56 26.16 +13 59 42.8 r H41
2004-03-20 04:44:47 C 08 56 26.33 +13 59 42.6 r H41
2004-03-20 05:37:56 C 08 56 28.55 +13 59 37.4 18.1 c 704
2004-03-20 05:55:52 C 08 56 29.21 +13 59 34.8 18.2 c 704
2004-03-20 06:12:15 C 08 56 29.84 +13 59 32.9 18.2 c 704
2004-03-20 06:28:34 C 08 56 30.45 +13 59 30.4 18.3 c 704
2004-03-20 06:45:33 C 08 56 31.11 +13 59 27.9 18.7 c 704
2004-03-22 02:48:25 C 08 58 30.93 +13 53 26.5 r H41
2004-03-22 02:51:19 C 08 58 31.03 +13 53 26.6 r H41
2004-03-22 02:53:45 C 08 58 31.17 +13 53 26.0 r H41
2004-03-22 02:56:30 C 08 58 31.28 +13 53 25.4 r H41
2004-03-25 22:34:49 C 09 03 16.36 +13 38 14.6 c A32
2004-03-27 05:27:43 C 09 05 03.84 +13 32 29.2 18.8 c 704
2004-03-27 06:13:14 C 09 05 06.35 +13 32 19.6 18.7 c 704
2004-03-27 06:28:39 C 09 05 07.19 +13 32 16.0 18.9 c 704
2004-03-28 19:09:58 C 09 07 23.09 +13 24 39.3 c 046
2004-03-28 19:12:24 C 09 07 23.15 +13 24 39.2 c 046
2004-03-28 19:13:34 C 09 07 23.25 +13 24 40.0 c 046
2004-03-28 19:14:45 C 09 07 23.31 +13 24 39.2 c 046
2004-03-28 19:15:53 C 09 07 23.34 +13 24 38.8 c 046
2004-03-28 19:16:59 C 09 07 23.47 +13 24 38.6 c 046
2004-03-28 19:18:09 C 09 07 23.54 +13 24 38.8 c 046
2004-03-28 19:19:19 C 09 07 23.52 +13 24 38.7 c 046
2004-03-28 19:24:50 C 09 07 23.90 +13 24 36.7 c 113
2004-03-28 19:27:26 C 09 07 24.04 +13 24 36.3 c 113
2004-03-28 19:30:00 C 09 07 24.21 +13 24 35.9 c 113
2004-03-28 19:32:37 C 09 07 24.37 +13 24 35.1 c 113
2004-03-28 19:35:11 C 09 07 24.53 +13 24 34.5 c 113
2004-03-29 19:43:35 C 09 08 57.29 +13 19 18.8 c 113
2004-03-29 19:46:43 C 09 08 57.46 +13 19 17.9 c 113
2004-03-29 19:49:50 C 09 08 57.68 +13 19 16.7 c 113
2004-03-29 19:52:57 C 09 08 57.92 +13 19 15.8 c 113
2004-03-29 19:56:04 C 09 08 58.08 +13 19 14.6 c 113
2004-04-08 07:00:49 C 09 25 52.59 +12 17 28.9 19.1 c 608
2004-04-08 07:16:06 C 09 25 53.80 +12 17 24.3 19.7 c 608
2004-04-08 07:31:33 C 09 25 54.95 +12 17 19.1 19.0 c 608
2004-04-08 20:26:53 C 09 26 59.86 +12 13 02.1 r J87
2004-04-08 20:30:03 C 09 27 00.12 +12 13 00.9 r J87
2004-04-08 20:33:12 C 09 27 00.34 +12 13 00.0 r J87
2004-04-15 04:44:46 C 09 40 28.56 +11 18 25.0 c 704
2004-04-15 05:00:25 C 09 40 29.98 +11 18 19.6 c 704
2004-04-15 05:31:56 C 09 40 32.74 +11 18 07.8 c 704
2004-04-20 04:19:44 C 09 51 58.33 +10 28 50.4 d 703