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JPL Small-Body Database Browser
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390949 (2005 JO171)
Classification: Main-belt Asteroid          SPK-ID: 2390949
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0517681270791005 7.958e-08  
a 2.785736770702556 4.1472e-08 au
q 2.641524395547902 2.3295e-07 au
i 5.410762889438847 8.7937e-06 deg
node 49.49127389492315 7.3047e-05 deg
peri 259.1976124149348 0.00011103 deg
M 277.6494097437632 8.3082e-05 deg
tp 2458988.983660833122
(2020-May-19.48366083)
0.00039375 TDB
period 1698.277055024897
4.65
3.7924e-05
1.038e-07
d
yr
n .2119795465261834 4.7337e-09 deg/d
Q 2.929949145857209 4.3619e-08 au
  Orbit Determination Parameters
   # obs. used (total)      124  
   data-arc span      5165 days (14.14 yr)  
   first obs. used      2005-04-06  
   last obs. used      2019-05-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6162  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:07:33  

Additional Information
 Earth MOID = 1.63282 au 
 Jupiter MOID = 2.19503 au 
 T_jup = 3.323 
[ 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 16.6   n/a MPO437600  

390949 (2005 JO171)          Discovered 2005-Apr-06 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Alternate Designations
 2005 JO171 = 2014 ER41 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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