2021 QR

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4538382170 ± 3.35e-07
Semi-major axis (a)1.3397595925 AU ± 8.84e-08
Inclination (i)20.20215262° ± 2.71e-05
Long. of Asc. Node (Ω)339.20814835° ± 1.19e-05
Arg. of Perihelion (ω)243.66031269° ± 2.71e-05
Mean Anomaly (M)329.78045253° ± 1.40e-04
Mean Motion (n)0.6355825474°/day ± 6.29e-08
Perihelion dist (q)0.73172549 AU ± 4.51e-07
Aphelion dist (Q)1.94779370 AU ± 4.66e-07
Orbital Period1.55074473 yr ± 1.53e-07
Physical Parameters
H (abs. magnitude)21.77
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.227″
Uncertainty0
Orbit TypeApollo
MOID0.073234 AU
Observations Used32
Oppositions1
Arc Total2018-2021
First Observation Used2018-01-16
Last Observation Used2021-09-28
Observations (32)
Date Type RA Dec Mag Band Observatory
2018-01-16 14:54:40 C 11 40 34.564 +63 40 15.50 U F51
2018-01-16 15:08:38 C 11 40 35.875 +63 40 32.39 U F51
2018-01-16 15:22:33 C 11 40 37.133 +63 40 49.14 U F51
2018-01-16 15:36:29 C 11 40 38.418 +63 41 05.90 U F51
2018-08-08 08:25:53 C 01 50 48.48 +18 43 37.8 W W84
2018-08-09 08:26:57 C 01 50 26.55 +19 02 55.6 W W84
2021-08-18 12:55:02 C 00 42 05.381 +01 48 20.60 U F51
2021-08-18 13:11:40 C 00 42 02.459 +01 48 34.39 U F51
2021-08-18 13:28:23 C 00 41 59.533 +01 48 48.05 U F51
2021-08-18 13:45:01 C 00 41 56.609 +01 49 01.74 U F51
2021-08-18 14:57:27 C 00 41 43.911 +01 50 01.56 V F51
2021-08-18 14:58:24 C 00 41 43.770 +01 50 02.25 V F51
2021-08-19 01:26:19 C 00 39 58.11 +01 58 28.1 V L01
2021-08-19 01:30:28 C 00 39 57.38 +01 58 31.8 V L01
2021-08-19 01:36:16 C 00 39 56.38 +01 58 35.7 V L01
2021-08-19 01:39:58 C 00 39 55.70 +01 58 38.4 V L01
2021-08-19 01:44:32 C 00 39 54.89 +01 58 42.3 V L01
2021-08-19 12:55:05 C 00 38 00.741 +02 07 54.42 U F51
2021-08-19 13:07:43 C 00 37 58.509 +02 08 04.75 U F51
2021-08-19 13:14:03 C 00 37 57.389 +02 08 09.63 U F51
2021-08-22 13:33:48 C 00 25 26.509 +03 04 04.18 V F51
2021-08-22 13:47:12 C 00 25 24.073 +03 04 14.23 V F51
2021-08-22 13:59:51 C 00 25 21.769 +03 04 23.73 V F51
2021-09-07 06:58:43 C 23 21 16.61 +06 23 50.4 V V06
2021-09-07 07:16:43 C 23 21 13.77 +06 23 56.7 V V06
2021-09-07 07:19:55 C 23 21 13.25 +06 23 57.6 V V06
2021-09-07 07:23:08 C 23 21 12.73 +06 23 58.6 V V06
2021-09-07 11:04:47 C 23 20 38.576 +06 25 11.38 U F51
2021-09-07 11:20:44 C 23 20 36.071 +06 25 16.15 U F51
2021-09-07 11:36:45 C 23 20 33.527 +06 25 21.19 U F51
2021-09-28 07:09:00 C 22 25 31.49 +07 24 36.6 o 291
2021-09-28 07:28:57 C 22 25 30.11 +07 24 36.1 o 291