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13835 (1999 XJ20)
Classification: Main-belt Asteroid          SPK-ID: 2013835
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05537952951824597 4.1031e-08  
a 2.846243529269688 1.384e-08 au
q 2.688619901724381 1.1334e-07 au
i 3.04686919603198 3.8951e-06 deg
node 68.37129527126901 8.0569e-05 deg
peri 248.1877719585102 8.9785e-05 deg
M 178.0525658576747 4.134e-05 deg
tp 2458133.034428893217
(2018-Jan-14.53442889)
0.00020006 TDB
period 1753.906797659221
4.80
1.2793e-05
3.503e-08
d
yr
n .2052560606301652 1.4971e-09 deg/d
Q 3.003867156814995 1.4607e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2096  
   data-arc span      16247 days (44.48 yr)  
   first obs. used      1975-11-02  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47575  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 03:55:47  

Additional Information
 Earth MOID = 1.6768 au 
 Jupiter MOID = 2.15266 au 
 T_jup = 3.303 
[ 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 13.4   n/a MPO502274  
diameter diameter 5.477 km 0.383 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.309   0.060 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

13835 (1999 XJ20)          Discovered 1999-Dec-05 by LINEAR at Socorro
Reference: 20000222/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 XJ20 = 1975 VC4 = 1982 KH = 1985 YS1 = 1997 ET58 = 1998 MP29 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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