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117604 (2005 EN78)
Classification: Main-belt Asteroid          SPK-ID: 2117604
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09430909783814702 3.8666e-08  
a 2.324416898601389 1.1584e-08 au
q 2.105203237894548 8.4761e-08 au
i 5.023977695885088 3.6405e-06 deg
node 98.9393526536725 4.6668e-05 deg
peri 134.8379283973666 5.2223e-05 deg
M 53.97780163961288 2.3273e-05 deg
tp 2458806.419386973960
(2019-Nov-18.91938697)
8.3642e-05 TDB
period 1294.402857601734
3.54
9.676e-06
2.649e-08
d
yr
n .2781205232094489 2.079e-09 deg/d
Q 2.543630559308229 1.2676e-08 au
  Orbit Determination Parameters
   # obs. used (total)      612  
   data-arc span      8744 days (23.94 yr)  
   first obs. used      1996-11-11  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52026  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:17:31  

Additional Information
 Earth MOID = 1.09699 au 
 Jupiter MOID = 2.45019 au 
 T_jup = 3.564 
[ 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 MPO436564  

117604 (2005 EN78)          Discovered 2005-Mar-03 by CSS at Catalina
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 2005 EN78 = 1996 VY2 = 1998 HD135 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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