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
2020-07-30 12:29:49 C 22 47 30.72 +40 35 10.1 V T05
2020-07-30 13:20:56 C 22 47 24.60 +40 34 28.4 V T05
2020-08-01 11:40:37 C 22 42 07.09 +39 55 52.5 V T08
2020-08-01 11:43:16 C 22 42 06.85 +39 55 49.9 V T08
2020-08-01 11:47:55 C 22 42 06.21 +39 55 46.3 V T08
2020-08-01 11:55:13 C 22 42 05.34 +39 55 40.2 V T08
2020-08-07 11:55:24 C 22 26 16.64 +37 38 35.9 V T05
2020-08-07 12:00:03 C 22 26 16.20 +37 38 31.5 V T05
2020-08-07 12:12:02 C 22 26 14.83 +37 38 19.7 V T05
2020-08-07 13:00:28 C 22 26 09.51 +37 37 28.1 V T05
2020-08-08 11:45:06 C 22 23 46.940 +37 13 35.68 U F52
2020-08-08 12:01:59 C 22 23 45.112 +37 13 17.74 U F52
2020-08-08 12:18:53 C 22 23 43.273 +37 12 59.72 U F52
2020-08-08 12:35:46 C 22 23 41.432 +37 12 41.46 U F52
2020-08-09 07:44:21 C 22 21 43.38 +36 52 05.6 V G96
2020-08-09 07:53:19 C 22 21 42.41 +36 51 55.9 V G96
2020-08-09 08:02:17 C 22 21 41.45 +36 51 46.3 V G96
2020-08-09 08:11:16 C 22 21 40.50 +36 51 37.1 V G96
2020-08-12 10:54:47 C 22 14 13.745 +35 27 50.35 U F52
2020-08-12 11:21:57 C 22 14 10.991 +35 27 19.06 U F52
2020-08-12 11:38:04 C 22 14 09.362 +35 27 00.28 U F52
2020-08-15 11:04:26 C 22 07 28.47 +34 02 07.1 V T05
2020-08-15 11:08:33 C 22 07 28.09 +34 02 02.2 V T05
2020-08-15 11:17:19 C 22 07 27.29 +34 01 51.1 V T05
2020-08-15 11:36:40 C 22 07 25.38 +34 01 28.2 V T05
2020-08-15 12:00:51 C 22 07 23.133 +34 00 58.48 U F52
2020-08-15 12:18:39 C 22 07 21.440 +34 00 36.53 U F52
2020-08-16 11:23:51 C 22 05 18.08 +33 32 18.4 V T08
2020-08-16 11:24:30 C 22 05 17.99 +33 32 17.6 V T08
2020-08-16 11:27:53 C 22 05 17.68 +33 32 14.0 V T08
2020-08-16 12:18:46 C 22 05 12.99 +33 31 10.5 V T08
2020-08-17 12:02:39 C 22 03 09.280 +33 01 41.85 U F52
2020-08-17 12:21:27 C 22 03 07.598 +33 01 18.05 U F52
2020-08-17 12:40:12 C 22 03 05.915 +33 00 54.38 U F52
2020-08-17 12:58:55 C 22 03 04.242 +33 00 30.74 U F52
2020-08-18 09:05:56 C 22 01 22.89 +32 35 14.3 V T05
2020-08-18 09:10:36 C 22 01 22.48 +32 35 08.4 V T05
2020-08-18 09:20:09 C 22 01 21.61 +32 34 57.0 V T05
2020-08-18 09:29:16 C 22 01 20.80 +32 34 45.4 V T05
2020-08-19 10:37:18 C 21 59 15.75 +32 02 44.9 V U63
2020-08-19 10:42:34 C 21 59 15.28 +32 02 37.8 V U63
2020-08-19 11:35:15 C 21 59 10.92 +32 01 30.1 V U63
2020-08-19 11:40:31 C 21 59 10.46 +32 01 23.2 V U63
2020-08-26 05:44:38 C 21 47 22.96 +28 30 04.9 V G96
2020-08-26 05:50:47 C 21 47 22.53 +28 29 56.3 V G96
2020-08-26 05:56:55 C 21 47 22.12 +28 29 48.5 V G96
2020-08-26 06:03:05 C 21 47 21.72 +28 29 40.5 V G96
2020-09-07 07:03:44 C 21 33 00.68 +22 15 03.0 V G96
2020-09-07 07:11:50 C 21 33 00.37 +22 14 52.8 V G96
2020-09-07 07:13:15 C 21 33 00.834 +22 14 53.16 U F52