17511 — IAA Minor Planet Database

Orbital Elements

Epoch (TDB)	2025-11-21 (JD 2461000.5)
Eccentricity (e)	0.3586725109 ± 2.00e+00
Semi-major axis (a)	1.1896886316 AU ± 3.00e+00
Inclination (i)	9.57989116° ± 4.00e+00
Long. of Asc. Node (Ω)	355.88427875° ± 5.00e+00
Arg. of Perihelion (ω)	202.43253869° ± 6.00e+00
Mean Anomaly (M)	314.74363265° ± 6.06e-05
Mean Motion (n)	0.7595603900°/day ± 2.87e+00
Perihelion dist (q)	0.76298002 AU ± 3.06e+00
Aphelion dist (Q)	1.61639724 AU ± 4.72e+00
Orbital Period	1.29762728 yr ± 4.91e+00
NGA Model	r2
A2	-3.81769305e-07 AU/d²

Physical Parameters

H (abs. magnitude)	17.32
G (slope)	0.15

Orbit Solution

Source	IAA
Solution Date	2026-04-26
RMS Residual	0.526″
Uncertainty	0
Orbit Type	Apollo
MOID	0.132212 AU
Observations Used	2362
Gaia Obs Used	21
Oppositions	6
Arc Total	1992-2025
First Observation Used	1992-08-29
Last Observation Used	2025-11-03

Observations (2936)

Date	Type	RA	Dec	Mag	Band	Observatory
2018-08-26 21:14:41	S	23 42 29.402	-12 00 45.97	–	V	C57
2018-08-26 21:14:41	s	1 +54266.989	0 +309320.95	4660.0	–	C57
2018-08-26 22:44:41	S	23 42 17.038	-12 00 47.70	–	V	C57
2018-08-26 22:44:41	s	1 +50950.385	0 +312689.70	3100.0	–	C57
2018-08-26 23:44:41	S	23 42 09.199	-12 00 51.37	–	V	C57
2018-08-26 23:44:41	s	1 +48729.354	0 +314877.87	8430.0	–	C57
2018-08-27 00:14:41	S	23 42 05.186	-12 00 52.13	–	V	C57
2018-08-27 00:14:41	s	1 +47616.009	0 +315954.77	6160.0	–	C57
2018-08-27 01:14:41	S	23 41 57.089	-12 00 51.48	–	V	C57
2018-08-27 01:14:41	s	1 +45383.918	0 +318074.42	3600.0	–	C57
2018-08-27 01:44:41	S	23 41 53.256	-12 00 55.12	–	V	C57
2018-08-27 01:44:41	s	1 +44265.274	0 +319117.24	4050.0	–	C57
2018-08-27 02:14:41	S	23 41 49.342	-12 00 54.97	–	V	C57
2018-08-27 02:14:41	s	1 +43144.965	0 +320148.77	6130.0	–	C57
2018-08-27 02:44:41	S	23 41 45.386	-12 00 55.94	–	V	C57
2018-08-27 02:44:41	s	1 +42023.039	0 +321169.05	210.0	–	C57
2018-08-27 03:14:41	S	23 41 41.568	-12 00 56.56	–	V	C57
2018-08-27 03:14:41	s	1 +40899.544	0 +322178.11	6620.0	–	C57
2018-08-27 03:44:41	S	23 41 37.570	-12 00 59.44	–	V	C57
2018-08-27 03:44:41	s	1 +39774.530	0 +323176.01	5730.0	–	C57
2018-08-27 04:14:41	S	23 41 33.406	-12 00 59.54	–	V	C57
2018-08-27 04:14:41	s	1 +38648.042	0 +324162.76	7870.0	–	C57
2018-08-27 04:44:41	S	23 41 29.378	-12 00 59.47	–	V	C57
2018-08-27 04:44:41	s	1 +37520.129	0 +325138.41	3380.0	–	C57
2018-08-27 05:14:41	S	23 41 25.608	-12 00 59.80	–	V	C57
2018-08-27 05:14:41	s	1 +36390.835	0 +326102.99	2590.0	–	C57
2018-08-27 05:44:41	S	23 41 21.562	-12 01 01.88	–	V	C57
2018-08-27 05:44:41	s	1 +35260.207	0 +327056.53	5850.0	–	C57
2018-08-27 06:14:41	S	23 41 17.856	-12 01 03.29	–	V	C57
2018-08-27 06:14:41	s	1 +34128.290	0 +327999.08	3470.0	–	C57
2018-08-27 07:14:41	S	23 41 09.708	-12 01 05.02	–	V	C57
2018-08-27 07:14:41	s	1 +31860.765	0 +329851.33	3100.0	–	C57
2018-08-27 07:44:41	S	23 41 05.731	-12 01 05.48	–	V	C57
2018-08-27 07:44:41	s	1 +30725.245	0 +330761.09	5750.0	–	C57
2018-08-27 08:14:41	S	23 41 01.982	-12 01 06.10	–	V	C57
2018-08-27 08:14:41	s	1 +29588.611	0 +331659.99	4040.0	–	C57
2018-08-27 08:44:41	S	23 40 58.006	-12 01 07.54	–	V	C57
2018-08-27 08:44:41	s	1 +28450.905	0 +332548.06	8280.0	–	C57
2018-08-27 09:14:41	S	23 40 54.120	-12 01 10.92	–	V	C57
2018-08-27 09:14:41	s	1 +27312.169	0 +333425.34	8780.0	–	C57
2018-08-27 10:14:41	S	23 40 45.958	-12 01 10.56	–	V	C57
2018-08-27 10:14:41	s	1 +25031.775	0 +335147.64	9750.0	–	C57
2018-08-27 10:44:41	S	23 40 42.158	-12 01 11.28	–	V	C57
2018-08-27 10:44:41	s	1 +23890.198	0 +335992.73	810.0	–	C57
2018-08-27 11:14:41	S	23 40 38.057	-12 01 12.36	–	V	C57
2018-08-27 11:14:41	s	1 +22747.755	0 +336827.16	9330.0	–	C57
2018-08-27 11:44:41	S	23 40 34.500	-12 01 11.35	–	V	C57
2018-08-27 11:44:41	s	1 +21604.486	0 +337650.95	5580.0	–	C57
2018-08-27 13:14:41	S	23 40 22.442	-12 01 13.94	–	V	C57
2018-08-27 13:14:41	s	1 +18170.111	0 +340058.82	3630.0	–	C57

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17511 (1992 QN)