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447707 (2007 EN78)
Classification: Main-belt Asteroid          SPK-ID: 2447707
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07786234732495707 6.9515e-08  
a 3.042818773761614 5.6477e-08 au
q 2.805897761552087 2.1148e-07 au
i 16.45755414305417 7.2955e-06 deg
node 178.7174572423066 2.1396e-05 deg
peri 228.4507752089877 5.5658e-05 deg
M 305.2432646477392 4.4885e-05 deg
tp 2459295.381552240554
(2021-Mar-21.88155224)
0.00024019 TDB
period 1938.708692614133
5.31
5.3976e-05
1.478e-07
d
yr
n .1856906101321391 5.1699e-09 deg/d
Q 3.279739785971141 6.0875e-08 au
  Orbit Determination Parameters
   # obs. used (total)      121  
   data-arc span      6269 days (17.16 yr)  
   first obs. used      2001-02-20  
   last obs. used      2018-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56363  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-07 07:05:06  

Additional Information
 Earth MOID = 1.83681 au 
 Jupiter MOID = 2.08372 au 
 T_jup = 3.172 
[ 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 MPO446777  

447707 (2007 EN78)          Discovered 2007-Mar-10 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-10-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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