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442192 (2011 EG78)
Classification: Main-belt Asteroid          SPK-ID: 2442192
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1221716292206655 9.1405e-08  
a 2.215473463286353 3.1754e-08 au
q 1.944805460781509 1.9844e-07 au
i 6.030358484181964 7.2817e-06 deg
node 71.77167058784539 0.00012399 deg
peri 144.6456439678845 0.00013578 deg
M 256.9458648256074 6.6984e-05 deg
tp 2459345.295173497419
(2021-May-10.79517350)
0.00022878 TDB
period 1204.476290534282
3.30
2.5895e-05
7.09e-08
d
yr
n .2988850862645964 6.4257e-09 deg/d
Q 2.486141465791197 3.5633e-08 au
  Orbit Determination Parameters
   # obs. used (total)      55  
   data-arc span      6815 days (18.66 yr)  
   first obs. used      1998-04-22  
   last obs. used      2016-12-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6705  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 12:31:02  

Additional Information
 Earth MOID = .940472 au 
 Jupiter MOID = 2.48654 au 
 T_jup = 3.637 
[ 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 17.9   n/a MPO397579  

442192 (2011 EG78)          Discovered 2006-Nov-19 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

Alternate Designations
 2011 EG78 = 2006 WT103 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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