85770 (1998 UP1)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3452195596 ± 2.00e+00
Semi-major axis (a)0.9976492777 AU ± 3.00e+00
Inclination (i)33.17767881° ± 4.00e+00
Long. of Asc. Node (Ω)18.31959548° ± 5.00e+00
Arg. of Perihelion (ω)234.23316580° ± 6.00e+00
Mean Anomaly (M)152.70480291° ± 4.45e-05
Mean Motion (n)0.9891119241°/day ± 4.46e+00
Perihelion dist (q)0.65324123 AU ± 2.80e+00
Aphelion dist (Q)1.34205732 AU ± 4.50e+00
Orbital Period0.99647599 yr ± 4.49e+00
NGA Modelr2
A2-4.36766799e-06 AU/d²
Physical Parameters
H (abs. magnitude)20.72
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-26
RMS Residual0.577″
Uncertainty0
Orbit TypeAten
MOID0.082515 AU
Observations Used489
Oppositions1
Arc Total1990-2025
First Observation Used1990-10-12
Last Observation Used2025-10-19
Observations (512)
Date Type RA Dec Mag Band Observatory
1990-10-12 06:53:00 01 08 39.06 +10 29 00.1 261
1990-10-12 08:08:00 01 07 45.69 +10 37 41.9 261
1998-10-18 02:09:53 C 00 16 45.03 +28 10 59.3 18.4 a 704
1998-10-18 02:38:36 C 00 16 32.18 +28 12 05.4 18.9 a 704
1998-10-18 03:07:20 C 00 16 19.32 +28 13 10.7 18.6 a 704
1998-10-18 03:36:26 C 00 16 06.22 +28 14 18.8 18.6 a 704
1998-10-18 04:05:11 C 00 15 53.17 +28 15 23.3 18.8 a 704
1998-10-20 04:04:56 C 23 56 52.57 +29 44 10.7 658
1998-10-20 04:09:33 C 23 56 50.88 +29 44 17.9 658
1998-10-20 04:17:04 C 23 56 48.09 +29 44 30.1 658
1998-10-20 22:06:56 C 23 50 36.00 +30 10 24.9 046
1998-10-20 22:09:02 C 23 50 35.29 +30 10 27.7 046
1998-10-20 22:10:06 C 23 50 34.94 +30 10 29.0 046
1998-10-20 22:11:08 C 23 50 34.58 +30 10 30.8 046
1998-10-20 22:12:10 C 23 50 34.14 +30 10 31.7 046
1998-10-21 18:50:42 C 23 44 00.10 +30 36 33.5 557
1998-10-21 18:52:33 C 23 43 59.55 +30 36 35.2 557
1998-10-21 18:56:15 C 23 43 58.41 +30 36 40.7 557
1998-10-21 20:39:44 C 23 43 25.89 +30 38 48.0 z 468
1998-10-21 20:43:48 C 23 43 24.65 +30 38 52.8 z 468
1998-10-21 20:52:10 C 23 43 22.07 +30 39 02.3 z 468
1998-10-21 21:10:29 C 23 43 16.61 +30 39 24.7 z 620
1998-10-21 21:21:29 C 23 43 13.03 +30 39 38.1 z 620
1998-10-22 05:16:24 C 23 40 51.84 +30 48 22.2 658
1998-10-22 05:19:19 C 23 40 50.97 +30 48 25.1 658
1998-10-22 05:23:08 C 23 40 49.82 +30 48 29.4 658
1998-10-22 11:40:55 C 23 39 00.76 +30 55 20.3 z 402
1998-10-22 11:42:55 C 23 39 00.25 +30 55 21.9 z 402
1998-10-22 11:44:54 C 23 38 59.62 +30 55 24.2 z 402
1998-10-23 19:02:23 C 23 30 36.79 +31 24 21.7 118
1998-10-23 19:06:10 C 23 30 35.90 +31 24 23.4 118
1998-10-23 19:12:19 C 23 30 34.31 +31 24 28.3 118
1998-10-25 11:28:45 C 23 21 16.47 +31 53 48.4 360
1998-10-25 11:35:00 C 23 21 15.18 +31 53 51.2 360
1998-10-25 11:39:59 C 23 21 14.01 +31 53 55.6 360
1998-10-25 12:23:22 C 23 21 04.25 +31 54 21.3 z 402
1998-10-25 12:25:23 C 23 21 03.77 +31 54 22.3 z 402
1998-10-25 12:29:21 C 23 21 02.93 +31 54 24.6 z 402
1998-10-27 07:47:49 C 23 12 40.32 +32 17 38.1 658
1998-10-27 07:52:09 C 23 12 39.55 +32 17 39.4 658
1998-10-27 07:56:20 C 23 12 38.79 +32 17 41.6 658
1999-10-10 06:34:57 C 02 21 25.93 +15 40 15.9 17.2 a 704
1999-10-10 06:58:08 C 02 21 07.95 +15 42 59.4 17.4 a 704
1999-10-10 07:20:55 C 02 20 50.26 +15 45 39.9 17.3 a 704
1999-10-10 07:42:23 C 02 20 33.62 +15 48 10.8 17.8 a 704
1999-10-12 02:56:26 C 01 48 51.33 +20 23 45.0 z 719
1999-10-12 03:00:44 C 01 48 48.38 +20 24 08.9 z 719
1999-10-12 03:03:24 C 01 48 46.33 +20 24 25.4 z 719
1999-10-12 03:07:57 C 01 48 43.14 +20 24 51.4 z 719
1999-10-12 03:11:32 C 01 48 40.52 +20 25 12.7 z 719