2025 QC18

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3897632464 ± 6.88e-04
Semi-major axis (a)1.7104889123 AU ± 2.03e-03
Inclination (i)12.25668788° ± 1.50e-02
Long. of Asc. Node (Ω)331.91819850° ± 1.33e-03
Arg. of Perihelion (ω)28.29968673° ± 8.63e-03
Mean Anomaly (M)27.43342759° ± 4.55e-02
Mean Motion (n)0.4405872054°/day ± 7.83e-04
Perihelion dist (q)1.04380320 AU ± 1.71e-03
Aphelion dist (Q)2.37717462 AU ± 3.05e-03
Orbital Period2.23707423 yr ± 3.98e-03
Physical Parameters
H (abs. magnitude)25.90
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-03
RMS Residual0.254″
Uncertainty2
Orbit TypeAmor
MOID0.059486 AU
Observations Used18
Oppositions1
Arc Total2025-2025
First Observation Used2025-08-29
Last Observation Used2025-08-31
Observations (18)
Date Type RA Dec Mag Band Observatory
2025-08-29 08:56:27 C 23 21 12.004 +16 29 20.77 X F52
2025-08-29 09:13:49 C 23 21 13.078 +16 32 35.47 X F52
2025-08-29 09:31:12 C 23 21 14.124 +16 35 50.51 X F52
2025-08-29 11:24:00 C 23 21 20.422 +16 56 51.53 V T12
2025-08-29 11:25:10 C 23 21 20.486 +16 57 04.32 V T12
2025-08-29 11:26:12 C 23 21 20.545 +16 57 15.82 V T12
2025-08-29 12:44:18 C 23 21 25.122 +17 11 40.34 V F52
2025-08-29 12:45:13 C 23 21 25.153 +17 11 50.71 V F52
2025-08-29 12:46:07 C 23 21 25.217 +17 11 59.94 V F52
2025-08-29 12:47:03 C 23 21 25.293 +17 12 11.00 V F52
2025-08-30 04:16:24 C 23 23 01.99 +20 03 30.6 V H21
2025-08-30 04:20:26 C 23 23 02.29 +20 04 15.4 V H21
2025-08-30 04:24:27 C 23 23 02.61 +20 05 00.3 V H21
2025-08-30 23:38:21 C 23 24 52.70 +23 36 52.7 V 104
2025-08-31 00:06:26 C 23 24 54.66 +23 42 00.7 V 104
2025-08-31 10:23:10 C 23 25 58.654 +25 34 47.49 V T12
2025-08-31 10:24:35 C 23 25 58.748 +25 35 03.09 V T12
2025-08-31 10:25:52 C 23 25 58.829 +25 35 16.86 V T12