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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 ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2317437391438233 4.0367e-08  
a 2.534909720674828 9.7263e-09 au
q 1.947460263613619 1.0225e-07 au
i 17.2452347166496 3.7202e-06 deg
node 206.0607130583519 1.6015e-05 deg
peri 160.9922583225706 1.8684e-05 deg
M 174.3565209368901 1.1493e-05 deg
tp 2458486.533448700179
(2019-Jan-03.03344870)
4.5262e-05 TDB
period 1474.151681203647
4.04
8.4844e-06
2.323e-08
d
yr
n .2442082484388984 1.4055e-09 deg/d
Q 3.122359177736037 1.198e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1154  
   data-arc span      14561 days (39.87 yr)  
   first obs. used      1981-05-03  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50958  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:48:16  

Additional Information
 Earth MOID = .953467 au 
 Jupiter MOID = 2.37218 au 
 T_jup = 3.350 
[ 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 14.78   n/a E2021B10  
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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