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JPL Small-Body Database Browser
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376252 (2011 EV85)
Classification: Main-belt Asteroid          SPK-ID: 2376252
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04568210386128358 6.5932e-08  
a 2.717709383534731 4.25e-08 au
q 2.593558701211312 1.9297e-07 au
i 7.343619925161918 5.9871e-06 deg
node 69.82649001900299 5.4607e-05 deg
peri 291.270814102596 8.6135e-05 deg
M 201.6319986841436 7.0069e-05 deg
tp 2459720.392887314610
(2022-May-20.89288731)
0.00032261 TDB
period 1636.45078096538
4.48
3.8386e-05
1.051e-07
d
yr
n .2199882845163407 5.1603e-09 deg/d
Q 2.841860065858149 4.4441e-08 au
  Orbit Determination Parameters
   # obs. used (total)      282  
   data-arc span      4675 days (12.80 yr)  
   first obs. used      2007-04-18  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61632  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 02:44:15  

Additional Information
 Earth MOID = 1.60232 au 
 Jupiter MOID = 2.36589 au 
 T_jup = 3.347 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457254.5 (2015-Aug-20.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04428203556366642 6.5868e-08  
q 2.599010195629046 1.9256e-07 au
tp 2456448.190737307937
(2013-Jun-04.69073731)
0.00032103 TDB
node 69.85614732312246 5.4615e-05 deg
peri 291.7323030475565 8.7783e-05 deg
i 7.34191575734039 5.985e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      282  
   data-arc span      4675 days (12.80 yr)  
   first obs. used      2007-04-18  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61632  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 02:44:15  

Additional Information
 Jupiter MOID = 2.36589 au 
 T_jup = 3.347 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.338560454169055E-15 -1.241399969170171E-14 2.191585832785243E-12 -2.961611738920173E-14 3.858890294174374E-13 3.794628251359361E-15
q -1.241399969170171E-14 3.707883703379291E-14 -5.587364627151405E-12 8.479844012468823E-14 -8.180386441983981E-13 -9.150353881668574E-15
tp 2.191585832785243E-12 -5.587364627151405E-12 1.030607225577428E-7 1.229036702650751E-10 2.210045271841372E-8 -1.800747265983394E-11
node -2.961611738920173E-14 8.479844012468823E-14 1.229036702650751E-10 2.982785116275759E-9 -2.929998234011519E-9 -6.015593058179923E-11
peri 3.858890294174374E-13 -8.180386441983981E-13 2.210045271841372E-8 -2.929998234011519E-9 7.705802630611482E-9 5.583756131202438E-11
i 3.794628251359361E-15 -9.150353881668574E-15 -1.800747265983394E-11 -6.015593058179923E-11 5.583756131202438E-11 3.582065539246996E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.0   n/a MPO427869  

376252 (2011 EV85)          Discovered 2007-Apr-18 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-10-21

Alternate Designations
 2011 EV85 = 2009 WU131 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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