1998 QA105

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5315642722 ± 2.51e+00
Semi-major axis (a)2.7035360248 AU ± 3.03e+01
Inclination (i)8.30243952° ± 9.33e+00
Long. of Asc. Node (Ω)336.81276998° ± 2.91e+01
Arg. of Perihelion (ω)40.06054858° ± 6.65e+01
Mean Anomaly (M)37.87730857° ± 3.75e+04
Mean Motion (n)0.2216522100°/day ± 3.73e+00
Perihelion dist (q)1.26657600 AU ± 1.57e+01
Aphelion dist (Q)4.14160640 AU ± 4.70e+01
Orbital Period4.44664030 yr ± 7.49e+01
Physical Parameters
H (abs. magnitude)21.50
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.644″
Uncertainty3
Orbit TypeAmor
MOID0.281776 AU
Observations Used24
Oppositions1
Arc Total1998-1998
First Observation Used
Last Observation Used1998-10-27
Observations (25)
Date Type RA Dec Mag Band Observatory
1998-08-30 09:04:38 c 23 19 00.06 -03 35 55.6 i 691
1998-08-30 09:30:37 c 23 19 00.02 -03 35 22.6 i 691
1998-08-30 09:56:34 c 23 18 59.91 -03 34 48.9 i 691
1998-08-31 05:40:06 c 23 19 05.79 -03 09 32.0 i 691
1998-08-31 05:45:43 c 23 19 05.79 -03 09 24.6 i 691
1998-08-31 05:52:28 c 23 19 05.79 -03 09 16.5 i 691
1998-08-31 08:44:26 C 23 19 05.51 -03 05 39.6 658
1998-08-31 08:49:31 C 23 19 05.44 -03 05 33.1 658
1998-08-31 08:54:16 C 23 19 05.54 -03 05 27.0 658
1998-08-31 10:28:03 c 23 19 04.93 -03 03 19.8 i 691
1998-08-31 10:33:48 c 23 19 05.04 -03 03 11.8 i 691
1998-08-31 10:39:29 c 23 19 05.00 -03 03 04.3 i 691
1998-09-12 08:47:41 c 23 19 07.42 +03 49 59.6 i 691
1998-09-12 08:55:54 c 23 19 07.35 +03 50 12.3 i 691
1998-09-12 09:04:11 c 23 19 07.26 +03 50 25.7 i 691
1998-09-22 21:01:34 C 23 19 05.56 +10 38 36.1 557
1998-09-22 21:08:15 C 23 19 05.47 +10 38 47.7 557
1998-09-22 21:11:37 C 23 19 05.45 +10 38 52.1 557
1998-09-22 21:14:57 C 23 19 05.40 +10 38 58.8 557
1998-10-18 07:45:04 C 23 33 23.73 +25 08 20.2 658
1998-10-18 07:59:09 C 23 33 24.23 +25 08 35.3 658
1998-10-18 08:06:35 C 23 33 24.70 +25 08 42.9 658
1998-10-27 08:26:04 C 23 46 11.25 +28 29 13.9 658
1998-10-27 08:34:17 C 23 46 11.85 +28 29 19.8 658
1998-10-27 08:40:38 C 23 46 12.02 +28 29 24.8 658