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305867 (2009 EC29)
Classification: Main-belt Asteroid          SPK-ID: 2305867
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08092938463947992 6.8164e-08  
a 2.644548486590348 2.8317e-08 au
q 2.430526804921323 1.7324e-07 au
i 3.298691146122379 7.2682e-06 deg
node 59.86623489223646 0.00011536 deg
peri 196.5108462146556 0.00012484 deg
M 147.6272095147973 4.686e-05 deg
tp 2458356.346104046847
(2018-Aug-25.84610405)
0.00020405 TDB
period 1570.817488898556
4.30
2.523e-05
6.908e-08
d
yr
n .2291800304900023 3.681e-09 deg/d
Q 2.858570168259373 3.0608e-08 au
  Orbit Determination Parameters
   # obs. used (total)      130  
   data-arc span      5307 days (14.53 yr)  
   first obs. used      2005-04-16  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63178  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 07:41:20  

Additional Information
 Earth MOID = 1.41582 au 
 Jupiter MOID = 2.16709 au 
 T_jup = 3.386 
[ 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 16.8   n/a MPO450229  

305867 (2009 EC29)          Discovered 2009-Mar-01 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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