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
2020-01-29 05:38:50 C 04 30 21.653 -03 06 45.72 U F51
2020-01-29 05:55:57 C 04 30 20.850 -03 06 45.11 U F51
2020-01-29 06:13:01 C 04 30 20.035 -03 06 44.54 U F51
2020-01-29 06:30:07 C 04 30 19.228 -03 06 43.87 U F51
2020-02-17 02:17:00 C 04 18 49.68 -02 08 31.8 V G96
2020-02-17 02:25:04 C 04 18 49.62 -02 08 29.8 V G96
2020-02-17 02:33:08 C 04 18 49.55 -02 08 28.4 V G96
2020-02-17 02:41:12 C 04 18 49.47 -02 08 26.6 V G96
2020-06-23 23:27:16 C 00 36 51.41 +45 27 18.3 V A17
2020-06-23 23:32:55 C 00 36 50.51 +45 27 19.2 V A17
2020-06-23 23:38:18 C 00 36 49.68 +45 27 19.3 V A17
2020-07-08 12:53:48 C 23 50 08.23 +44 49 38.6 V T08
2020-07-08 12:59:16 C 23 50 07.55 +44 49 37.2 V T08
2020-07-08 13:09:53 C 23 50 06.16 +44 49 35.4 V T08
2020-07-08 13:21:58 C 23 50 04.69 +44 49 32.4 V T08
2020-07-08 13:23:57 C 23 50 04.41 +44 49 32.1 V T08
2020-07-08 13:25:17 C 23 50 04.28 +44 49 32.8 V T08
2020-07-08 13:29:15 C 23 50 03.78 +44 49 31.5 V T08
2020-07-08 13:49:51 C 23 50 01.18 +44 49 27.2 V T08
2020-07-09 06:28:59 S 23 47 59.465 +44 45 27.83 L C51
2020-07-09 20:36:19 S 23 46 17.662 +44 42 09.86 L C51
2020-07-09 23:44:49 S 23 45 55.087 +44 41 24.43 L C51
2020-07-12 13:26:13 C 23 38 33.90 +44 25 06.1 V T08
2020-07-12 13:31:32 C 23 38 33.25 +44 25 04.3 V T08
2020-07-12 13:39:29 C 23 38 32.25 +44 25 02.1 V T08
2020-07-12 13:48:06 C 23 38 31.19 +44 24 59.3 V T08
2020-07-18 12:56:17 C 23 21 28.72 +43 32 43.2 V T05
2020-07-18 13:00:14 C 23 21 28.24 +43 32 41.7 V T05
2020-07-18 13:04:18 C 23 21 27.76 +43 32 39.9 V T05
2020-07-18 13:12:15 C 23 21 26.75 +43 32 36.4 V T05
2020-07-19 09:28:50 C 23 19 01.97 +43 23 22.8 V 703
2020-07-19 09:35:55 C 23 19 01.17 +43 23 19.6 V 703
2020-07-19 09:43:03 C 23 19 00.19 +43 23 16.3 V 703
2020-07-19 09:50:15 C 23 18 59.35 +43 23 12.5 V 703
2020-07-20 12:44:37 C 23 15 47.01 +43 10 21.4 V T08
2020-07-20 12:48:36 C 23 15 46.54 +43 10 19.3 V T08
2020-07-20 12:52:35 C 23 15 46.04 +43 10 17.6 V T08
2020-07-20 13:11:37 C 23 15 43.80 +43 10 08.0 V T08
2020-07-22 14:26:54 C 23 09 51.25 +42 44 11.8 V T05
2020-07-22 14:38:36 C 23 09 49.82 +42 44 04.9 V T05
2020-07-22 14:44:47 C 23 09 49.05 +42 44 01.7 V T05
2020-07-22 14:51:42 C 23 09 48.18 +42 43 57.8 V T05
2020-07-23 00:53:16 C 23 08 37.47 +42 38 11.0 V 196
2020-07-23 01:20:22 C 23 08 34.13 +42 37 55.9 V 196
2020-07-28 12:03:35 C 22 53 08.21 +41 12 31.2 V T08
2020-07-28 12:06:14 C 22 53 07.91 +41 12 29.2 V T08
2020-07-28 12:10:52 C 22 53 07.35 +41 12 26.0 V T08
2020-07-28 12:18:50 C 22 53 06.33 +41 12 19.9 V T08
2020-07-30 12:17:49 C 22 47 32.21 +40 35 19.1 V T05
2020-07-30 12:22:28 C 22 47 31.62 +40 35 15.8 V T05