497135 (2004 QD20)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6970086183 ± 3.44e-08
Semi-major axis (a)2.1734955318 AU ± 5.42e-09
Inclination (i)17.52969640° ± 5.17e-06
Long. of Asc. Node (Ω)224.19672838° ± 2.93e-05
Arg. of Perihelion (ω)353.38150449° ± 2.89e-05
Mean Anomaly (M)261.17329724° ± 6.95e-06
Mean Motion (n)0.3075913715°/day ± 1.15e-09
Perihelion dist (q)0.65855041 AU ± 7.48e-08
Aphelion dist (Q)3.68844065 AU ± 7.53e-08
Orbital Period3.20433658 yr ± 1.20e-08
Physical Parameters
H (abs. magnitude)18.08
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.312″
Uncertainty0
Orbit TypeApollo
MOID0.284978 AU
Observations Used216
Oppositions12
Arc Total2004-2022
First Observation Used2004-08-26
Last Observation Used2022-11-30
Observations (239)
Date Type RA Dec Mag Band Observatory
2020-09-07 07:19:55 C 21 33 00.07 +22 14 43.0 V G96
2020-09-07 07:27:59 C 21 32 59.77 +22 14 32.6 V G96
2020-09-07 07:31:19 C 21 33 00.142 +22 14 30.78 U F52
2020-09-07 07:49:44 C 21 32 59.430 +22 14 07.94 U F52
2020-09-07 08:08:38 C 21 32 58.707 +22 13 44.48 U F52
2020-09-07 12:46:24 C 21 32 49.10 +22 07 56.4 q D29
2020-09-07 13:09:19 C 21 32 48.25 +22 07 26.0 q D29
2020-09-07 13:32:13 C 21 32 47.36 +22 07 00.3 q D29
2020-09-18 05:39:20 C 21 26 43.279 +17 09 24.76 U F52
2020-09-18 05:57:00 C 21 26 43.023 +17 09 05.92 U F52
2020-09-18 06:14:37 C 21 26 42.744 +17 08 47.19 U F52
2020-09-18 06:32:14 C 21 26 42.471 +17 08 28.32 U F52
2020-09-19 05:33:57 C 21 26 25.27 +16 43 57.6 V G96
2020-09-19 05:42:49 C 21 26 25.13 +16 43 48.3 V G96
2020-09-19 05:51:40 C 21 26 25.02 +16 43 38.9 V G96
2020-09-19 06:00:32 C 21 26 24.86 +16 43 29.5 V G96
2020-09-20 04:32:18 C 21 26 10.97 +16 19 56.1 U I41
2020-09-20 04:56:00 C 21 26 10.70 +16 19 31.7 U I41
2020-09-20 04:59:21 C 21 26 10.65 +16 19 28.3 U I41
2020-09-20 06:50:55 C 21 26 09.31 +16 17 32.1 U I41
2020-09-20 06:55:39 C 21 26 09.28 +16 17 27.4 U I41
2020-09-21 06:29:33 C 21 25 57.18 +15 53 17.6 U I41
2020-09-21 07:38:58 C 21 25 56.51 +15 52 07.0 U I41
2020-09-22 05:28:22 C 21 25 47.75 +15 30 09.2 U I41
2020-09-22 07:00:36 C 21 25 46.97 +15 28 36.9 U I41
2020-09-22 07:10:57 C 21 25 46.92 +15 28 26.6 U I41
2020-10-16 02:23:21 C 21 31 47.71 +08 06 54.6 V G96
2020-10-16 02:31:28 C 21 31 47.87 +08 06 49.4 V G96
2020-10-16 02:39:34 C 21 31 48.01 +08 06 46.0 V G96
2020-10-16 02:47:41 C 21 31 48.22 +08 06 41.5 V G96
2022-11-22 06:17:15 C 04 50 07.79 +11 14 00.8 u H21
2022-11-22 06:38:04 C 04 50 06.73 +11 13 54.2 u H21
2022-11-23 06:07:07 C 04 48 51.39 +11 06 20.3 u H21
2022-11-23 06:13:08 C 04 48 51.03 +11 06 17.8 u H21
2022-11-23 06:21:02 C 04 48 50.59 +11 06 15.1 u H21
2022-11-30 07:51:20 C 04 39 16.801 +10 11 43.87 V G96
2022-11-30 07:58:47 C 04 39 16.373 +10 11 41.24 V G96
2022-11-30 08:06:15 C 04 39 15.880 +10 11 39.19 V G96
2022-11-30 08:13:43 C 04 39 15.494 +10 11 36.85 V G96