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187720 (2008 EX85)
Classification: Main-belt Asteroid          SPK-ID: 2187720
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07413651236412273 5.7894e-08  
a 2.890628599822074 2.4457e-08 au
q 2.676327476891278 1.6587e-07 au
i 9.245635710806845 6.6316e-06 deg
node 27.66731690158055 2.6368e-05 deg
peri 5.220383191298255 5.3571e-05 deg
M 355.2358489628548 4.2562e-05 deg
tp 2459224.255812586585
(2021-Jan-09.75581259)
0.00021212 TDB
period 1795.092654387199
4.91
2.2782e-05
6.237e-08
d
yr
n .2005467512332366 2.5452e-09 deg/d
Q 3.104929722752869 2.6271e-08 au
  Orbit Determination Parameters
   # obs. used (total)      365  
   data-arc span      6930 days (18.97 yr)  
   first obs. used      2001-12-22  
   last obs. used      2020-12-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58906  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:56:34  

Additional Information
 Earth MOID = 1.68096 au 
 Jupiter MOID = 2.26062 au 
 T_jup = 3.267 
[ 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 15.6   n/a MPO440043  

187720 (2008 EX85)          Discovered 2008-Mar-07 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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