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JPL Small-Body Database Browser
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136499 (2005 JX20)
Classification: Main-belt Asteroid          SPK-ID: 2136499
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09151595830115702 4.5508e-08  
a 3.134873986418102 3.1619e-08 au
q 2.847982989397681 1.3838e-07 au
i 12.97949858168219 4.9892e-06 deg
node 145.6231775314743 2.1892e-05 deg
peri 83.27773536356982 3.6434e-05 deg
M 188.2473563636243 2.8368e-05 deg
tp 2459567.729399420371
(2021-Dec-19.22939942)
0.00016373 TDB
period 2027.349194860295
5.55
3.0672e-05
8.398e-08
d
yr
n .1775717774287067 2.6865e-09 deg/d
Q 3.421764983438523 3.4512e-08 au
  Orbit Determination Parameters
   # obs. used (total)      356  
   data-arc span      8506 days (23.29 yr)  
   first obs. used      1995-07-22  
   last obs. used      2018-11-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57507  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 03:23:39  

Additional Information
 Earth MOID = 1.87719 au 
 Jupiter MOID = 1.70056 au 
 T_jup = 3.166 
[ 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 15.3   n/a MPO417721  
diameter diameter 4.047 km 0.224 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.057   0.005 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

136499 (2005 JX20)          Discovered 2005-May-04 by CSS at Catalina
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

[ show close-approach data ]
Alternate Designations
 2005 JX20 = 2004 CR117 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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