JPL Small-Body Database Browser

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(2009 PQ1)

Classification: Apollo [NEO] SPK-ID: 3465690

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)

Element	Value	Uncertainty (1-sigma)	Units
e	.4895168853574434	0.00016354
a	1.497337949906151	0.00037559	au
q	.7643657403405922	5.3246e-05	au
i	5.593118675678641	0.001818	deg
node	326.9082640840056	0.00096974	deg
peri	271.6043602917152	0.0038149	deg
M	351.9625266820173	0.87516	deg
t_p	2459015.441535057074 (2020-Jun-14.94153506)	1.6325	TDB
period	669.2342739741562 1.83	0.2518 0.0006894	d yr
n	.5379282173672745	0.0002024	deg/d
Q	2.230310159471709	0.00055944	au

Orbit Determination Parameters

# obs. used (total)	81
data-arc span	29 days
first obs. used	2009-08-14
last obs. used	2009-09-12
planetary ephem.	DE431
SB-pert. ephem.	SB431-N16
condition code	7
norm. resid. RMS	.3479
source	ORB
producer	Otto Matic
solution date	2017-Apr-06 09:00:17

Additional Information

Earth MOID = .0217116 au

Jupiter MOID = 2.81179 au

T_jup = 4.406

[ show covariance matrix ]

Physical Parameter Table

Parameter	Symbol	Value	Units	Sigma	Reference	Notes
absolute magnitude	H	22.5		n/a	MPO162548

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2020-Aug-08 21:23 UT
(server date/time)

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