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
2018-08-29 02:44:41	S	23 35 33.701	-12 01 47.24	–	V	C57
2018-08-29 02:44:41	s	1 -67368.026	0 +371287.62	3210.0	–	C57
2018-08-29 04:14:41	S	23 35 22.286	-12 01 46.81	–	V	C57
2018-08-29 04:14:41	s	1 -70687.594	0 +371444.22	1670.0	–	C57
2018-08-29 04:44:41	S	23 35 18.264	-12 01 47.50	–	V	C57
2018-08-29 04:44:41	s	1 -71791.032	0 +371478.63	550.0	–	C57
2018-08-29 05:14:41	S	23 35 14.690	-12 01 47.60	–	V	C57
2018-08-29 05:14:41	s	1 -72892.889	0 +371504.17	4400.0	–	C57
2018-08-29 05:44:41	S	23 35 11.038	-12 01 47.53	–	V	C57
2018-08-29 05:44:41	s	1 -73993.142	0 +371520.85	3360.0	–	C57
2018-08-29 06:14:41	S	23 35 07.198	-12 01 47.46	–	V	C57
2018-08-29 06:14:41	s	1 -75091.767	0 +371528.68	7610.0	–	C57
2018-08-29 07:14:41	S	23 34 59.275	-12 01 48.36	–	V	C57
2018-08-29 07:14:41	s	1 -77284.039	0 +371517.86	2580.0	–	C57
2018-08-29 07:44:41	S	23 34 55.915	-12 01 48.97	–	V	C57
2018-08-29 07:44:41	s	1 -78377.640	0 +371499.23	3620.0	–	C57
2018-08-29 08:14:41	S	23 34 52.085	-12 01 48.40	–	V	C57
2018-08-29 08:14:41	s	1 -79469.520	0 +371471.80	570.0	–	C57
2018-08-29 08:44:41	S	23 34 48.425	-12 01 49.30	–	V	C57
2018-08-29 08:44:41	s	1 -80559.656	0 +371435.59	3580.0	–	C57
2018-08-29 10:14:41	S	23 34 36.842	-12 01 49.15	–	V	C57
2018-08-29 10:14:41	s	1 -83819.365	0 +371274.36	570.0	–	C57
2018-08-29 10:44:41	S	23 34 33.396	-12 01 49.01	–	V	C57
2018-08-29 10:44:41	s	1 -84902.293	0 +371203.13	9400.0	–	C57
2018-08-29 11:14:41	S	23 34 29.602	-12 01 49.01	–	V	C57
2018-08-29 11:14:41	s	1 -85983.360	0 +371123.18	5070.0	–	C57
2018-08-29 11:44:41	S	23 34 25.865	-12 01 49.01	–	V	C57
2018-08-29 11:44:41	s	1 -87062.544	0 +371034.51	7730.0	–	C57
2018-08-29 12:14:41	S	23 34 22.248	-12 01 49.33	–	V	C57
2018-08-29 12:14:41	s	1 -88139.822	0 +370937.13	7540.0	–	C57
2018-08-29 13:14:41	S	23 34 14.508	-12 01 48.79	–	V	C57
2018-08-29 13:14:41	s	1 -90288.569	0 +370716.31	9200.0	–	C57
2018-08-29 13:44:41	S	23 34 10.699	-12 01 49.94	–	V	C57
2018-08-29 13:44:41	s	1 -91359.991	0 +370592.89	1350.0	–	C57
2018-08-29 14:14:41	S	23 34 07.068	-12 01 50.59	–	V	C57
2018-08-29 14:14:41	s	1 -92429.416	0 +370460.81	1260.0	–	C57
2018-08-29 14:44:41	S	23 34 03.384	-12 01 49.76	–	V	C57
2018-08-29 14:44:41	s	1 -93496.819	0 +370320.09	9080.0	–	C57
2018-08-29 15:14:41	S	23 33 59.904	-12 01 50.56	–	V	C57
2018-08-29 15:14:41	s	1 -94562.179	0 +370170.72	4950.0	–	C57
2018-08-29 16:14:41	S	23 33 52.154	-12 01 50.74	–	V	C57
2018-08-29 16:14:41	s	1 -96686.674	0 +369846.10	1470.0	–	C57
2018-08-29 16:44:41	S	23 33 48.389	-12 01 51.74	–	V	C57
2018-08-29 16:44:41	s	1 -97745.763	0 +369670.87	2420.0	–	C57
2018-08-29 17:14:41	S	23 33 44.599	-12 01 49.19	–	V	C57
2018-08-29 17:14:41	s	1 -98802.717	0 +369487.04	2020.0	–	C57
2018-08-29 17:44:41	S	23 33 41.119	-12 01 49.87	–	V	C57
2018-08-29 17:44:41	s	1 -99857.512	0 +369294.63	430.0	–	C57
2018-08-29 18:14:41	S	23 33 36.958	-12 01 54.62	–	V	C57
2018-08-29 18:14:41	s	1 -100910.12	5 +369093.63	7800.0	–	C57

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17511 (1992 QN)