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359239 (2009 EC28)
Classification: Main-belt Asteroid          SPK-ID: 2359239
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08620628788403567 4.643e-08  
a 2.533131003868909 2.5433e-08 au
q 2.314759183301409 1.2644e-07 au
i 22.61611076351679 1.5471e-05 deg
node 16.38480779478073 1.3374e-05 deg
peri 91.50145137596033 0.00034941 deg
M 346.8951528510242 0.00032456 deg
tp 2459054.106118439008
(2020-Jul-23.60611844)
0.0013277 TDB
period 1472.600360665114
4.03
2.2177e-05
6.072e-08
d
yr
n .2444655112249209 3.6817e-09 deg/d
Q 2.751502824436408 2.7625e-08 au
  Orbit Determination Parameters
   # obs. used (total)      176  
   data-arc span      6802 days (18.62 yr)  
   first obs. used      2001-03-31  
   last obs. used      2019-11-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62594  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 23:25:08  

Additional Information
 Earth MOID = 1.43939 au 
 Jupiter MOID = 2.39648 au 
 T_jup = 3.337 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.9   n/a MPO503415  

359239 (2009 EC28)          Discovered 2009-Mar-01 by Spacewatch at Kitt Peak
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

[ show close-approach data ]
Alternate Designations
 2009 EC28 = 2005 GR219 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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