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JPL Small-Body Database Browser
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379666 (2011 EB77)
Classification: Main-belt Asteroid          SPK-ID: 2379666
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09092636887920041 8.7451e-08  
a 2.708777396060198 2.5756e-08 au
q 2.462478103334389 2.338e-07 au
i 9.280094246684662 6.6508e-06 deg
node 52.97270428673198 4.6352e-05 deg
peri 133.414547317093 5.9474e-05 deg
M 14.78405514939102 3.3188e-05 deg
tp 2458933.627205019366
(2020-Mar-25.12720502)
0.00015023 TDB
period 1628.389907218376
4.46
2.3225e-05
6.359e-08
d
yr
n .2210772729578961 3.1531e-09 deg/d
Q 2.955076688786007 2.8098e-08 au
  Orbit Determination Parameters
   # obs. used (total)      201  
   data-arc span      6639 days (18.18 yr)  
   first obs. used      2002-02-22  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .576  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 00:30:01  

Additional Information
 Earth MOID = 1.47223 au 
 Jupiter MOID = 2.02432 au 
 T_jup = 3.339 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457469.5 (2016-Mar-22.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09177969505915481 8.7328e-08  
q 2.460180412653358 2.3371e-07 au
tp 2457302.887854661647
(2015-Oct-07.38785466)
0.00015315 TDB
node 52.98621744001424 4.635e-05 deg
peri 133.0024808225604 5.9285e-05 deg
i 9.280721519794398 6.6514e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      201  
   data-arc span      6639 days (18.18 yr)  
   first obs. used      2002-02-22  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .576  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 00:30:01  

Additional Information
 Jupiter MOID = 2.02432 au 
 T_jup = 3.339 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.626127523088616E-15 -2.031096365086522E-14 1.153339624430174E-12 -2.152802405543384E-14 5.644812391675307E-13 -1.916527883695879E-14
q -2.031096365086522E-14 5.462117964440893E-14 -4.051727816080896E-12 6.22575639516542E-14 -1.729338232260346E-12 5.0551164124491E-14
tp 1.153339624430174E-12 -4.051727816080896E-12 2.34547711081595E-8 -9.541502485544951E-11 5.711648034258329E-9 1.34926451791092E-11
node -2.152802405543384E-14 6.22575639516542E-14 -9.541502485544951E-11 2.148351523100852E-9 -2.143090594071817E-9 -1.169406622299342E-10
peri 5.644812391675307E-13 -1.729338232260346E-12 5.711648034258329E-9 -2.143090594071817E-9 3.514749624389709E-9 1.179932287124785E-10
i -1.916527883695879E-14 5.0551164124491E-14 1.34926451791092E-11 -1.169406622299342E-10 1.179932287124785E-10 4.424073752920602E-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 16.2   n/a MPO418931  

379666 (2011 EB77)          Discovered 2007-Apr-14 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2013-11-20

Alternate Designations
 2011 EB77 = 2007 JY34 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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