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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 ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1008345681487256 4.8668e-08  
a 3.145589464767456 3.3402e-08 au
q 2.828405309514448 1.5625e-07 au
i 23.62387059693734 6.2464e-06 deg
node 78.99187745923713 1.3955e-05 deg
peri 231.4198798190356 3.3511e-05 deg
M 276.9310693182832 3.1546e-05 deg
tp 2459670.705395768285
(2022-Apr-01.20539577)
0.00018075 TDB
period 2037.752756504898
5.58
3.2458e-05
8.887e-08
d
yr
n .1766652008448086 2.814e-09 deg/d
Q 3.462773620020463 3.677e-08 au
  Orbit Determination Parameters
   # obs. used (total)      572  
   data-arc span      9222 days (25.25 yr)  
   first obs. used      1995-12-20  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52631  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 08:59:16  

Additional Information
 Earth MOID = 1.85963 au 
 Jupiter MOID = 1.76992 au 
 T_jup = 3.072 
[ 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 14.51   n/a E2021B55  
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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