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70011 (1998 XQ68)
Classification: Main-belt Asteroid          SPK-ID: 2070011
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .180075749859464 4.4955e-08  
a 3.029427199780446 1.7232e-08 au
q 2.483900825135326 1.3713e-07 au
i 11.09991552511814 5.356e-06 deg
node 296.4321831554026 2.5339e-05 deg
peri 104.900150149001 3.1742e-05 deg
M 47.18548732209926 1.5756e-05 deg
tp 2458748.067567985301
(2019-Sep-21.56756799)
8.4297e-05 TDB
period 1925.924276355417
5.27
1.6433e-05
4.499e-08
d
yr
n .1869232370242808 1.5949e-09 deg/d
Q 3.574953574425566 2.0335e-08 au
  Orbit Determination Parameters
   # obs. used (total)      812  
   data-arc span      11848 days (32.44 yr)  
   first obs. used      1987-08-25  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46015  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 16:02:17  

Additional Information
 Earth MOID = 1.52117 au 
 Jupiter MOID = 1.95007 au 
 T_jup = 3.191 
[ 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 14.4   n/a MPO275951  
diameter diameter 6.228 km 0.122 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.114   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

70011 (1998 XQ68)          Discovered 1998-Dec-14 by LINEAR at Socorro
Reference: 20031109/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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