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85833 (1998 XD68)
Classification: Main-belt Asteroid          SPK-ID: 2085833
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1757743107065343 4.1066e-08  
a 2.802381409570857 1.9087e-08 au
q 2.309794748966734 1.2153e-07 au
i 15.49434565589336 5.8761e-06 deg
node 66.93418533625423 1.5422e-05 deg
peri 275.0197792231916 2.327e-05 deg
M 278.079224244075 1.9791e-05 deg
tp 2459390.424790323778
(2021-Jun-24.92479032)
9.547e-05 TDB
period 1713.52044974266
4.69
1.7506e-05
4.793e-08
d
yr
n .2100937867733446 2.1464e-09 deg/d
Q 3.29496807017498 2.2442e-08 au
  Orbit Determination Parameters
   # obs. used (total)      959  
   data-arc span      7857 days (21.51 yr)  
   first obs. used      1998-12-09  
   last obs. used      2020-06-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54108  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 00:17:57  

Additional Information
 Earth MOID = 1.36493 au 
 Jupiter MOID = 2.28777 au 
 T_jup = 3.249 
[ 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 14.2   n/a MPO337905  
diameter diameter 5.061 km 0.367 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.190   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

85833 (1998 XD68)          Discovered 1998-Dec-14 by LINEAR at Socorro
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1998 XD68 = 2001 KD28 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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