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JPL Small-Body Database Browser
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117017 (2004 JN8)
Classification: Main-belt Asteroid          SPK-ID: 2117017
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1002781499397608 5.2875e-08  
a 3.147558106835008 3.7296e-08 au
q 2.831926803053698 1.6436e-07 au
i 23.62342933813508 6.9552e-06 deg
node 78.9996551047344 1.4286e-05 deg
peri 231.1898949918524 3.6137e-05 deg
M 171.1985443815541 3.298e-05 deg
tp 2457630.533738565878
(2016-Aug-30.03373857)
0.00018541 TDB
period 2039.666022732301
5.58
3.6253e-05
9.926e-08
d
yr
n .1764994837330036 3.1371e-09 deg/d
Q 3.463189410616319 4.1036e-08 au
  Orbit Determination Parameters
   # obs. used (total)      404  
   data-arc span      8440 days (23.11 yr)  
   first obs. used      1995-12-20  
   last obs. used      2019-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58407  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 18:34:20  

Additional Information
 Earth MOID = 1.8639 au 
 Jupiter MOID = 1.76744 au 
 T_jup = 3.071 
[ 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 MPO338084  
diameter diameter 6.629 km 1.407 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.070   0.042 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

117017 (2004 JN8)          Discovered 2004-May-12 by CSS at Catalina
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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