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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05551327493061609 3.9687e-08  
a 2.8457897659391 1.3438e-08 au
q 2.68781065626779 1.1017e-07 au
i 3.046839695102636 3.8052e-06 deg
node 68.36489860631798 8.0409e-05 deg
peri 248.3394961526012 8.9546e-05 deg
M 218.9518049529681 4.1221e-05 deg
tp 2459887.517308890590
(2022-Nov-04.01730889)
0.00020201 TDB
period 1753.487388606018
4.80
1.242e-05
3.4e-08
d
yr
n .2053051549382352 1.4542e-09 deg/d
Q 3.003768875610411 1.4184e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2194  
   data-arc span      16514 days (45.21 yr)  
   first obs. used      1975-11-02  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47475  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 02:14:31  

Additional Information
 Earth MOID = 1.67404 au 
 Jupiter MOID = 2.15243 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 13.39   n/a E2021B10  
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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