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70013 (1998 XZ81)
Classification: Main-belt Asteroid          SPK-ID: 2070013
[ 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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1343175988835661 3.2603e-08  
a 3.034306902541324 1.5233e-08 au
q 2.626746085116142 1.0207e-07 au
i 10.85850567035267 4.9237e-06 deg
node 185.0382482951989 2.0266e-05 deg
peri 284.8118507430941 2.8173e-05 deg
M 357.4057012886004 1.872e-05 deg
tp 2459014.412499559754
(2020-Jun-13.91249956)		 0.0001004 TDB
period 1930.579473945445
5.29		 1.4538e-05
3.98e-08		 d
yr
n .1864725098647625 1.4042e-09 deg/d
Q 3.441867719966505 1.7279e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1462  
   data-arc span      25115 days (68.76 yr)  
   first obs. used      1952-02-01  
   last obs. used      2020-11-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47712  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 04:05:14  

Additional Information
 Earth MOID = 1.66898 au 
 Jupiter MOID = 1.76968 au 
 T_jup = 3.201 
[ 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 13.7   n/a MPO366054  
diameter diameter 6.755 km 0.218 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.154   0.035 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70013 (1998 XZ81)          Discovered 1998-Dec-15 by LINEAR at Socorro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 XZ81 = 2000 EW45 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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