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JPL Small-Body Database Browser
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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2315538289163545 4.1149e-08  
a 2.535278944653754 9.78e-09 au
q 1.948225397648162 1.043e-07 au
i 17.24291969508352 3.7658e-06 deg
node 206.0673611004577 1.6334e-05 deg
peri 160.992752248166 1.9057e-05 deg
M 125.5205629963768 1.15e-05 deg
tp 2458486.397839362606
(2019-Jan-02.89783936)
4.5858e-05 TDB
period 1474.4737707622
4.04
8.5318e-06
2.336e-08
d
yr
n .2441549026768412 1.4128e-09 deg/d
Q 3.122332491659345 1.2045e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1110  
   data-arc span      14155 days (38.75 yr)  
   first obs. used      1981-05-03  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5125  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 10:35:54  

Additional Information
 Earth MOID = .955636 au 
 Jupiter MOID = 2.37104 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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