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JPL Small-Body Database Browser
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392166 (2009 JS4)
Classification: Mars-crossing Asteroid          SPK-ID: 2392166
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1145389514585141 3.469e-08  
a 1.853748219358933 1.0102e-08 au
q 1.641421842045474 6.705e-08 au
i 21.98107481161603 1.5084e-05 deg
node 193.7666945938373 1.1175e-05 deg
peri 91.76987090242683 0.00010497 deg
M 289.6993801620961 9.8454e-05 deg
tp 2458780.524328892370
(2019-Oct-24.02432889)
0.00025271 TDB
period 921.8803269542508
2.52
7.5354e-06
2.063e-08
d
yr
n .390506218078635 3.192e-09 deg/d
Q 2.066074596672393 1.1259e-08 au
  Orbit Determination Parameters
   # obs. used (total)      136  
   data-arc span      5440 days (14.89 yr)  
   first obs. used      2004-06-14  
   last obs. used      2019-05-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66232  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 09:55:23  

Additional Information
 Earth MOID = .758112 au 
 Jupiter MOID = 3.08751 au 
 T_jup = 3.907 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.5   n/a MPO427953  

392166 (2009 JS4)          Discovered 2009-May-13 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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