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
2018-08-28 09:14:41	S	23 37 47.369	-12 01 36.12	–	V	C57
2018-08-28 09:14:41	s	1 -27823.336	0 +363416.38	8880.0	–	C57
2018-08-28 10:14:41	S	23 37 39.350	-12 01 37.56	–	V	C57
2018-08-28 10:14:41	s	1 -30113.642	0 +364172.67	8140.0	–	C57
2018-08-28 10:44:41	S	23 37 35.578	-12 01 38.10	–	V	C57
2018-08-28 10:44:41	s	1 -31257.819	0 +364536.59	460.0	–	C57
2018-08-28 11:14:41	S	23 37 31.706	-12 01 38.24	–	V	C57
2018-08-28 11:14:41	s	1 -32401.310	0 +364891.06	1480.0	–	C57
2018-08-28 11:44:41	S	23 37 28.027	-12 01 39.14	–	V	C57
2018-08-28 11:44:41	s	1 -33544.088	0 +365236.09	1410.0	–	C57
2018-08-28 12:14:41	S	23 37 24.168	-12 01 38.46	–	V	C57
2018-08-28 12:14:41	s	1 -34686.126	0 +365571.70	440.0	–	C57
2018-08-28 13:14:41	S	23 37 16.334	-12 01 39.43	–	V	C57
2018-08-28 13:14:41	s	1 -36967.876	0 +366214.75	6530.0	–	C57
2018-08-28 13:44:41	S	23 37 12.415	-12 01 40.26	–	V	C57
2018-08-28 13:44:41	s	1 -38107.535	0 +366522.22	3960.0	–	C57
2018-08-28 14:14:41	S	23 37 08.712	-12 01 39.83	–	V	C57
2018-08-28 14:14:41	s	1 -39246.350	0 +366820.36	1250.0	–	C57
2018-08-28 14:44:41	S	23 37 05.054	-12 01 39.90	–	V	C57
2018-08-28 14:44:41	s	1 -40384.293	0 +367109.17	8550.0	–	C57
2018-08-28 16:14:41	S	23 36 53.182	-12 01 41.41	–	V	C57
2018-08-28 16:14:41	s	1 -43792.637	0 +367919.83	2470.0	–	C57
2018-08-28 16:44:41	S	23 36 49.476	-12 01 41.81	–	V	C57
2018-08-28 16:44:41	s	1 -44926.838	0 +368171.52	1710.0	–	C57
2018-08-28 17:14:41	S	23 36 45.720	-12 01 41.66	–	V	C57
2018-08-28 17:14:41	s	1 -46060.040	0 +368413.97	1890.0	–	C57
2018-08-28 17:44:41	S	23 36 42.022	-12 01 42.74	–	V	C57
2018-08-28 17:44:41	s	1 -47192.218	0 +368647.21	3170.0	–	C57
2018-08-28 19:14:41	S	23 36 30.518	-12 01 43.46	–	V	C57
2018-08-28 19:14:41	s	1 -50582.352	0 +369291.78	5440.0	–	C57
2018-08-28 19:44:41	S	23 36 26.657	-12 01 45.30	–	V	C57
2018-08-28 19:44:41	s	1 -51710.181	0 +369488.32	2920.0	–	C57
2018-08-28 20:14:41	S	23 36 22.872	-12 01 44.54	–	V	C57
2018-08-28 20:14:41	s	1 -52836.861	0 +369675.71	2380.0	–	C57
2018-08-28 20:44:41	S	23 36 19.178	-12 01 43.61	–	V	C57
2018-08-28 20:44:41	s	1 -53962.367	0 +369853.99	4010.0	–	C57
2018-08-28 21:14:41	S	23 36 15.420	-12 01 43.39	–	V	C57
2018-08-28 21:14:41	s	1 -55086.675	0 +370023.17	7960.0	–	C57
2018-08-28 22:14:41	S	23 36 07.646	-12 01 45.19	–	V	C57
2018-08-28 22:14:41	s	1 -57331.598	0 +370334.27	3520.0	–	C57
2018-08-28 22:44:41	S	23 36 03.943	-12 01 46.06	–	V	C57
2018-08-28 22:44:41	s	1 -58452.164	0 +370476.22	5480.0	–	C57
2018-08-28 23:14:41	S	23 36 00.175	-12 01 45.34	–	V	C57
2018-08-28 23:14:41	s	1 -59571.434	0 +370609.14	430.0	–	C57
2018-08-28 23:44:41	S	23 35 56.352	-12 01 44.44	–	V	C57
2018-08-28 23:44:41	s	1 -60689.384	0 +370733.03	8560.0	–	C57
2018-08-29 01:44:41	S	23 35 41.052	-12 01 46.24	–	V	C57
2018-08-29 01:44:41	s	1 -65147.507	0 +371138.61	6120.0	–	C57
2018-08-29 02:14:41	S	23 35 37.315	-12 01 47.03	–	V	C57
2018-08-29 02:14:41	s	1 -66258.498	0 +371217.59	2590.0	–	C57

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17511 (1992 QN)