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117542 (2005 EV)

Classification: Main-belt Asteroid SPK-ID: 2117542

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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.

Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)

Element	Value	Uncertainty (1-sigma)	Units
e	.04128133415756771	3.8071e-08
a	2.614104398067775	1.359e-08	au
q	2.506190680888372	9.7465e-08	au
i	1.564710009812294	4.1205e-06	deg
node	90.02936663047633	0.00016414	deg
peri	168.2062775053121	0.00017282	deg
M	174.6600171599774	5.4814e-05	deg
t_p	2458451.513799455296 (2018-Nov-29.01379946)	0.00023423	TDB
period	1543.770787272538 4.23	1.2039e-05 3.296e-08	d yr
n	.2331952404903522	1.8185e-09	deg/d
Q	2.722018115247178	1.4151e-08	au

Orbit Determination Parameters

# obs. used (total)	507
data-arc span	13453 days (36.83 yr)
first obs. used	1984-03-11
last obs. used	2021-01-09
planetary ephem.	DE431
SB-pert. ephem.	SB431-N16
condition code	0
norm. resid. RMS	.52481
source	ORB
producer	Otto Matic
solution date	2021-Feb-24 09:17:07

Additional Information

Earth MOID = 1.48922 au

Jupiter MOID = 2.27947 au

T_jup = 3.406

[ hide covariance matrix ]

Orbital Elements at Epoch 2457281.5 (2015-Sep-16.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)

Element	Value	Uncertainty (1-sigma)	Units
e	.04169059348403051	3.7773e-08
q	2.505460678799483	9.6718e-08	au
t_p	2456916.080768808047 (2014-Sep-15.58076881)	0.0002327	TDB
node	90.03104736838729	0.00016422	deg
peri	170.1778613534992	0.00017286	deg
i	1.56486510575415	4.1182e-06	deg

Orbit Determination Parameters

# obs. used (total)	507
data-arc span	13453 days (36.83 yr)
first obs. used	1984-03-11
last obs. used	2021-01-09
planetary ephem.	DE431
SB-pert. ephem.	SB431-N16
condition code	0
norm. resid. RMS	.52481
source	ORB
producer	Otto Matic
solution date	2021-Feb-24 09:17:07

Additional Information

Jupiter MOID = 2.27947 au

T_jup = 3.406

Orbit Covariance (6×6)

	e	q	tp	node	peri	i
e	1.42683301897024E-15	-3.621530189446453E-15	-1.037453320990085E-12	-2.522612390357231E-15	-2.475225380883305E-13	-1.667194272216758E-16
q	-3.621530189446453E-15	9.354319041652603E-15	2.878458151059318E-12	6.50653775692113E-15	6.931291899579298E-13	4.577024122495736E-16
tp	-1.037453320990085E-12	2.878458151059318E-12	5.415134057989834E-8	9.18600426103232E-11	1.257982816976418E-8	-1.16716598922256E-12
node	-2.522612390357231E-15	6.50653775692113E-15	9.18600426103232E-11	2.696860349745714E-8	-2.693694130250355E-8	-6.679079796324192E-11
peri	-2.475225380883305E-13	6.931291899579298E-13	1.257982816976418E-8	-2.693694130250355E-8	2.988027139760227E-8	6.64924915861497E-11
i	-1.667194272216758E-16	4.577024122495736E-16	-1.16716598922256E-12	-6.679079796324192E-11	6.64924915861497E-11	1.695951192649807E-11

Physical Parameter Table

Parameter	Symbol	Value	Units	Sigma	Reference	Notes
absolute magnitude	H	16.1		n/a	MPO432679
diameter	diameter	3.352	km	0.871	urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)
geometric albedo	albedo	0.052		0.028	urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)

117542 (2005 EV) Discovered 2005-Mar-02 by Lowe, A. at New Mexico Skies
Reference: 20051019/Numbers.arc	Last Updated: 2005-10-26

Alternate Designations

2005 EV = 1994 RS13

2021-Mar-09 05:17 UT
(server date/time)

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