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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05517198298587959 4.152e-08  
a 2.846333352586993 1.4527e-08 au
q 2.689295497285922 1.1557e-07 au
i 3.047235447619584 4.2862e-06 deg
node 68.37563400849214 8.958e-05 deg
peri 248.0025386256218 9.9958e-05 deg
M 96.16469554168903 4.5036e-05 deg
tp 2458131.966951524805
(2018-Jan-13.46695152)
0.00021923 TDB
period 1753.989824446
4.80
1.3428e-05
3.676e-08
d
yr
n .2052463446381204 1.5712e-09 deg/d
Q 3.003371207888065 1.5328e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1881  
   data-arc span      16106 days (44.10 yr)  
   first obs. used      1975-11-02  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48513  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 23:39:11  

Additional Information
 Earth MOID = 1.67661 au 
 Jupiter MOID = 2.15205 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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