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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .12245133848184 9.1458e-08  
a 2.215005074453702 3.1659e-08 au
q 1.943774738342778 1.9857e-07 au
i 6.030851873425709 7.2821e-06 deg
node 71.77042989802541 0.00012399 deg
peri 144.6264169937783 0.00013572 deg
M 137.4074740094943 6.5268e-05 deg
tp 2458140.912328336031
(2018-Jan-22.41232834)
0.00021257 TDB
period 1204.09434051307
3.30
2.5815e-05
7.068e-08
d
yr
n .2989798954179972 6.4099e-09 deg/d
Q 2.486235410564626 3.5535e-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 = .939572 au 
 Jupiter MOID = 2.48728 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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