2025 QB21

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2917819053 ± 7.19e-06
Semi-major axis (a)1.3803224093 AU ± 1.37e-05
Inclination (i)4.34992995° ± 7.52e-05
Long. of Asc. Node (Ω)164.23293376° ± 1.01e-05
Arg. of Perihelion (ω)210.35172101° ± 1.72e-04
Mean Anomaly (M)29.52917639° ± 3.02e-04
Mean Motion (n)0.6077730912°/day ± 9.04e-06
Perihelion dist (q)0.97756931 AU ± 1.39e-05
Aphelion dist (Q)1.78307551 AU ± 2.03e-05
Orbital Period1.62170109 yr ± 2.41e-05
Physical Parameters
H (abs. magnitude)26.43
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-03
RMS Residual0.202″
Uncertainty0
Orbit TypeApollo
MOID0.000486 AU
Observations Used157
Oppositions1
Arc Total2025-2025
First Observation Used2025-08-29
Last Observation Used2025-09-07
Observations (181)
Date Type RA Dec Mag Band Observatory
2025-09-02 10:41:26 B 20 51 34.485 +13 25 00.72 – Z Q06
2025-09-02 10:46:53 B 20 51 38.101 +13 25 31.48 – Z Q06
2025-09-02 10:52:20 B 20 51 41.815 +13 26 02.45 – Z Q06
2025-09-02 18:42:46 B 20 58 30.97 +14 09 56.0 – X M45
2025-09-02 18:46:10 B 20 58 33.78 +14 10 18.4 – X M45
2025-09-02 18:49:34 B 20 58 36.56 +14 10 40.7 – X M45
2025-09-02 19:08:26 C 20 59 01.27 +14 12 52.7 – V G17
2025-09-02 19:19:20 C 20 59 10.34 +14 14 05.5 – V G17
2025-09-02 19:30:14 C 20 59 19.47 +14 15 17.9 – V G17
2025-09-02 20:25:22 B 21 00 05.155 +14 19 39.29 – V L65
2025-09-02 20:32:08 B 21 00 11.035 +14 20 24.54 – V L65
2025-09-02 20:38:57 B 21 00 16.937 +14 21 09.90 – V L65
2025-09-02 21:03:42 B 21 00 25.68 +14 24 19.2 – X L99
2025-09-02 21:08:08 B 21 00 29.63 +14 24 48.0 – X L99
2025-09-02 21:12:34 B 21 00 33.40 +14 25 16.6 – X L99
2025-09-02 21:16:52 B 21 00 37.22 +14 25 44.4 – X L99
2025-09-02 22:11:21 B 21 01 37.394 +14 32 00.71 – Z K74
2025-09-02 22:14:04 B 21 01 39.816 +14 32 18.89 – Z K74
2025-09-02 22:16:47 B 21 01 42.245 +14 32 36.74 – Z K74
2025-09-02 22:19:23 B 21 01 44.575 +14 32 54.13 – Z K74
2025-09-02 22:21:52 B 21 01 46.802 +14 33 10.51 – Z K74
2025-09-02 22:24:22 B 21 01 49.034 +14 33 27.22 – Z K74
2025-09-03 05:04:52 C 21 09 39.466 +15 25 30.12 – W H01
2025-09-03 05:32:52 C 21 10 08.417 +15 29 11.69 – W H01
2025-09-03 06:08:12 C 21 10 45.473 +15 33 50.22 – W H01
2025-09-03 06:51:39 C 21 11 32.140 +15 39 31.39 – W H01
2025-09-03 09:29:10 C 21 15 11.954 +16 05 07.04 – V T05
2025-09-03 09:34:29 C 21 15 18.060 +16 05 51.90 – V T05
2025-09-03 09:41:49 C 21 15 26.566 +16 06 54.22 – V T05
2025-09-03 10:27:42 C 21 16 20.141 +16 13 21.11 – V T05
2025-09-03 18:58:33 B 21 30 47.32 +17 28 46.6 – X L76
2025-09-03 19:02:59 B 21 30 54.54 +17 29 34.4 – X L76
2025-09-03 19:07:26 B 21 31 01.82 +17 30 22.3 – X L76
2025-09-03 19:44:21 B 21 32 22.609 +17 35 33.12 – W G34
2025-09-03 19:46:44 B 21 32 26.658 +17 35 58.92 – W G34
2025-09-03 19:49:06 B 21 32 30.687 +17 36 25.17 – W G34
2025-09-03 19:53:50 B 21 32 38.861 +17 37 18.49 – W G34
2025-09-03 19:53:58 C 21 32 44.34 +17 39 05.6 – V G17
2025-09-03 20:00:08 C 21 32 54.78 +17 40 15.1 – V G17
2025-09-03 20:06:17 C 21 33 05.25 +17 41 25.0 – V G17
2025-09-03 22:13:54 C 21 36 47.702 +18 05 02.54 – W A48
2025-09-03 22:15:27 C 21 36 50.527 +18 05 19.72 – W A48
2025-09-03 22:16:58 C 21 36 53.326 +18 05 37.07 – W A48
2025-09-03 22:18:32 C 21 36 56.026 +18 05 54.60 – W A48
2025-09-03 22:20:03 C 21 36 58.846 +18 06 11.81 – W A48
2025-09-04 00:28:52 C 21 41 00.77 +18 30 49.4 – V 104
2025-09-04 00:35:40 C 21 41 14.24 +18 32 06.5 – V 104
2025-09-04 00:42:29 C 21 41 27.79 +18 33 23.3 – V 104
2025-09-04 07:38:48 C 21 58 55.911 +20 07 49.10 – U I41
2025-09-04 07:39:18 C 21 58 57.197 +20 07 56.11 – U I41