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442190 (2011 EC72)
Classification: Main-belt Asteroid          SPK-ID: 2442190
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04580881495259941 8.0589e-08  
a 2.260614993387467 2.7697e-08 au
q 2.157058899476309 1.6561e-07 au
i 4.452880589125022 8.6188e-06 deg
node 82.42147769118058 0.0001081 deg
peri 228.0069517886523 0.00018091 deg
M 143.0354626059873 0.00013675 deg
tp 2458507.235845344136
(2019-Jan-23.73584534)
0.00047475 TDB
period 1241.476011898312
3.40
2.2816e-05
6.247e-08
d
yr
n .2899774112022773 5.3292e-09 deg/d
Q 2.364171087298625 2.8966e-08 au
  Orbit Determination Parameters
   # obs. used (total)      88  
   data-arc span      5731 days (15.69 yr)  
   first obs. used      2004-03-17  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55353  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-05 02:10:41  

Additional Information
 Earth MOID = 1.14501 au 
 Jupiter MOID = 2.72607 au 
 T_jup = 3.615 
[ 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 MPO446753  

442190 (2011 EC72)          Discovered 2004-Mar-17 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

Alternate Designations
 2011 EC72 = 2004 FJ154 = 2009 WS73 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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