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85208 (1992 EG20)
Classification: Main-belt Asteroid          SPK-ID: 2085208
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08630823365621415 5.4033e-08  
a 3.175719885244987 3.8256e-08 au
q 2.901629111362577 1.652e-07 au
i 6.612220924890863 5.2203e-06 deg
node 107.5689693320587 6.5153e-05 deg
peri 150.8763328976288 7.8703e-05 deg
M 199.3673213877558 4.7214e-05 deg
tp 2459522.844389224609
(2021-Nov-04.34438922)
0.00027514 TDB
period 2067.101059320498
5.66
3.7351e-05
1.023e-07
d
yr
n .1741569423404679 3.1469e-09 deg/d
Q 3.449810659127396 4.1558e-08 au
  Orbit Determination Parameters
   # obs. used (total)      404  
   data-arc span      10077 days (27.59 yr)  
   first obs. used      1992-02-26  
   last obs. used      2019-09-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62476  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 10:09:43  

Additional Information
 Earth MOID = 1.88813 au 
 Jupiter MOID = 1.62125 au 
 T_jup = 3.185 
[ 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 14.7   n/a MPO337901  
diameter diameter 5.122 km 0.150 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.097   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85208 (1992 EG20)          Discovered 1992-Mar-01 by UESAC at La Silla
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1992 EG20 = 2003 BU44 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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