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52808 (1998 QE86)
Classification: Main-belt Asteroid          SPK-ID: 2052808
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2313360943416704 4.5808e-08  
a 2.535396334773296 1.0138e-08 au
q 1.948867649078655 1.1706e-07 au
i 17.24314844731734 4.176e-06 deg
node 206.0796749820534 1.6426e-05 deg
peri 161.0048978786105 1.9204e-05 deg
M 27.86277595058598 1.156e-05 deg
tp 2458486.372817429433
(2019-Jan-02.87281743)
4.7056e-05 TDB
period 1474.576179999758
4.04
8.8441e-06
2.421e-08
d
yr
n .244137946131789 1.4643e-09 deg/d
Q 3.121925020467937 1.2483e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1032  
   data-arc span      14097 days (38.60 yr)  
   first obs. used      1981-05-03  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52449  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 05:06:00  

Additional Information
 Earth MOID = .955477 au 
 Jupiter MOID = 2.36825 au 
 T_jup = 3.349 
[ 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 MPO449341  
diameter diameter 2.876 km 0.183 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.309   0.046 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52808 (1998 QE86)          Discovered 1998-Aug-24 by LINEAR at Socorro
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

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