85709 (1998 SG36)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3375618182 ± 4.35e-09
Semi-major axis (a)1.6460722389 AU ± 2.72e-10
Inclination (i)24.83154110° ± 7.38e-07
Long. of Asc. Node (Ω)186.54616085° ± 9.66e-07
Arg. of Perihelion (ω)29.82923407° ± 1.48e-06
Mean Anomaly (M)88.67503961° ± 7.06e-07
Mean Motion (n)0.4667012244°/day ± 1.16e-10
Perihelion dist (q)1.09042110 AU ± 7.16e-09
Aphelion dist (Q)2.20172338 AU ± 7.17e-09
Orbital Period2.11189993 yr ± 5.23e-10
Physical Parameters
H (abs. magnitude)15.93
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.142″
Uncertainty0
Orbit TypeAmor
MOID0.123314 AU
Observations Used5281
Gaia Obs Used81
Oppositions10
Arc Total1998-2025
First Observation Used1998-09-18
Last Observation Used2025-11-02
Observations (5825)
Date Type RA Dec Mag Band Observatory
1998-09-18 09:48:16 C 01 43 02.16 +06 01 34.0 a 699
1998-09-18 10:23:01 C 01 43 00.89 +06 01 05.1 a 699
1998-09-18 10:58:48 C 01 42 59.36 +06 00 37.3 a 699
1998-09-22 09:11:31 C 01 39 17.73 +04 43 36.4 c 699
1998-09-22 10:14:47 C 01 39 14.99 +04 42 44.4 c 699
1998-09-22 11:24:57 C 01 39 11.83 +04 41 46.8 c 699
1998-09-24 08:28:52 C 01 37 16.74 +04 03 50.6 a 699
1998-09-24 09:04:38 C 01 37 15.00 +04 03 21.3 a 699
1998-09-24 09:40:24 C 01 37 13.45 +04 02 49.6 a 699
1998-09-26 07:03:07 C 01 35 11.99 +03 24 05.4 18.7 a 704
1998-09-26 07:27:06 C 01 35 10.92 +03 23 45.3 19.5 a 704
1998-09-26 07:51:03 C 01 35 09.74 +03 23 24.9 19.6 a 704
1998-09-26 08:14:59 C 01 35 08.64 +03 23 03.5 19.5 a 704
1998-09-26 08:38:56 C 01 35 07.38 +03 22 44.7 19.3 a 704
1998-09-27 09:14:38 C 01 33 59.30 +03 01 35.6 18.4 a 704
1998-09-27 09:39:29 C 01 33 58.08 +03 01 13.3 19.1 a 704
1998-09-27 10:04:18 C 01 33 56.85 +03 00 52.3 19.0 a 704
1998-09-27 10:29:09 C 01 33 55.63 +03 00 32.2 19.2 a 704
1998-09-27 10:53:58 C 01 33 54.40 +03 00 08.6 19.5 a 704
1998-09-29 07:19:16 C 01 31 48.55 +02 21 41.4 18.7 a 704
1998-09-29 07:36:56 C 01 31 47.79 +02 21 27.6 19.1 a 704
1998-09-29 07:54:48 C 01 31 46.97 +02 21 12.9 19.2 a 704
1998-09-29 08:12:38 C 01 31 46.03 +02 20 56.3 19.4 a 704
1998-09-29 08:30:18 C 01 31 45.14 +02 20 42.2 18.9 a 704
1998-09-29 10:58:30 C 01 31 37.77 +02 18 31.2 658
1998-09-29 11:08:44 C 01 31 37.25 +02 18 22.0 658
1998-09-29 11:16:09 C 01 31 36.89 +02 18 15.6 658
1998-09-29 16:07:41 C 01 31 22.88 +02 14 12.7 422
1998-09-29 16:08:36 C 01 31 22.85 +02 14 12.0 422
1998-09-29 16:10:43 C 01 31 22.74 +02 14 10.0 422
1998-09-29 16:11:49 C 01 31 22.73 +02 14 08.7 422
1998-09-29 16:53:26 C 01 31 20.65 +02 13 34.3 b 426
1998-09-29 16:59:06 C 01 31 20.39 +02 13 28.3 b 426
1998-09-29 17:05:11 C 01 31 20.07 +02 13 23.5 b 426
1998-09-30 00:41:06 C 01 30 58.06 +02 06 35.5 046
1998-09-30 00:42:46 C 01 30 57.97 +02 06 34.4 046
1998-09-30 00:45:25 C 01 30 57.80 +02 06 31.7 046
1998-09-30 00:47:38 C 01 30 57.70 +02 06 30.0 046
1998-09-30 01:03:39 C 01 30 56.95 +02 06 16.6 557
1998-09-30 01:07:01 C 01 30 56.78 +02 06 13.8 557
1998-09-30 01:10:22 C 01 30 56.61 +02 06 10.9 557
1998-09-30 01:24:09 C 01 30 55.93 +02 05 58.8 557
1998-09-30 07:55:43 C 01 30 37.02 +02 00 18.5 658
1998-09-30 07:59:39 C 01 30 36.86 +02 00 14.9 658
1998-09-30 08:07:50 C 01 30 36.42 +02 00 07.9 658
1998-09-30 14:44:37 C 01 30 17.01 +01 54 32.5 422
1998-09-30 14:45:50 C 01 30 16.92 +01 54 31.9 422
1998-09-30 14:49:53 C 01 30 16.70 +01 54 28.2 422
1998-09-30 14:51:03 C 01 30 16.63 +01 54 27.1 422
1998-10-02 14:11:49 C 01 27 55.92 +01 13 06.1 z 402