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20761 (2000 EA8)
Classification: Main-belt Asteroid          SPK-ID: 2020761
[ 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 40 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1724346577371513 2.9308e-08  
a 2.313050731230966 8.0657e-09 au
q 1.914200620062487 6.7317e-08 au
i 9.394986816887913 3.7176e-06 deg
node 89.89272906213871 2.126e-05 deg
peri 219.5101929763928 2.3836e-05 deg
M 150.0016277083945 1.175e-05 deg
tp 2458465.110764604010
(2018-Dec-12.61076460)		 4.1148e-05 TDB
period 1284.920221780835
3.52		 6.7208e-06
1.84e-08		 d
yr
n .2801730363470021 1.4655e-09 deg/d
Q 2.711900842399445 9.4565e-09 au
   Orbit Determination Parameters
   # obs. used (total)      2108  
   data-arc span      14149 days (38.74 yr)  
   first obs. used      1982-01-26  
   last obs. used      2020-10-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45466  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:00:49  

Additional Information
 Earth MOID = .909211 au 
 Jupiter MOID = 2.53904 au 
 T_jup = 3.545 
[ 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 13.7   n/a MPO452464  
diameter diameter 4.666 km 0.196 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.295   0.051 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20761 (2000 EA8)          Discovered 2000-Mar-05 by Chesney, D. K. at High Point
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2000 EA8 = 1982 BS7 = 1998 XK54 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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