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JPL Small-Body Database Browser
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312646 (2010 EY91)
Classification: Main-belt Asteroid          SPK-ID: 2312646
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2409722714195225 6.8334e-08  
a 2.598693943845557 2.5867e-08 au
q 1.972480761472936 1.8617e-07 au
i 5.370654031263385 6.9513e-06 deg
node 169.2831855930895 4.96e-05 deg
peri 184.1163191534671 5.0509e-05 deg
M 225.3462611121266 9.5994e-06 deg
tp 2459172.830702883985
(2020-Nov-19.33070288)
4.5025e-05 TDB
period 1530.139859018723
4.19
2.2846e-05
6.255e-08
d
yr
n .2352726111133838 3.5128e-09 deg/d
Q 3.224907126218178 3.2101e-08 au
  Orbit Determination Parameters
   # obs. used (total)      316  
   data-arc span      8666 days (23.73 yr)  
   first obs. used      1995-08-19  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60878  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 09:11:21  

Additional Information
 Earth MOID = .966487 au 
 Jupiter MOID = 2.21451 au 
 T_jup = 3.368 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.2   n/a MPO437379  

312646 (2010 EY91)          Discovered 1995-Aug-19 by Lagerkvist, C.-I. at La Silla
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

Alternate Designations
 2010 EY91 = 2006 FE5 = 2008 WO142 = 2011 KA21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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