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187031 (2005 EY317)
Classification: Inner Main-belt Asteroid          SPK-ID: 2187031
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08327434336787902 4.6824e-08  
a 1.944794689651651 8.7533e-09 au
q 1.782843188885572 8.9893e-08 au
i 21.28298399101078 6.3816e-06 deg
node 188.1058671409693 1.1942e-05 deg
peri 261.9311098263237 3.9245e-05 deg
M 12.61800366789601 3.8685e-05 deg
tp 2459165.778601010901
(2020-Nov-12.27860101)
0.00010642 TDB
period 990.6245048793703
2.71
6.688e-06
1.831e-08
d
yr
n .3634071216962654 2.4535e-09 deg/d
Q 2.106746190417731 9.4822e-09 au
  Orbit Determination Parameters
   # obs. used (total)      433  
   data-arc span      9207 days (25.21 yr)  
   first obs. used      1995-10-26  
   last obs. used      2021-01-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56861  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 19:51:46  

Additional Information
 Earth MOID = .877529 au 
 Jupiter MOID = 3.03476 au 
 T_jup = 3.811 
[ 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 16.9   n/a MPO367180  

187031 (2005 EY317)          Discovered 2005-Mar-13 by CSS at Catalina
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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