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296495 (2009 JF4)
Classification: Main-belt Asteroid          SPK-ID: 2296495
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1438356455952556 9.7259e-08  
a 2.701547232397112 3.0935e-08 au
q 2.312968442119197 2.4865e-07 au
i 6.359235344373919 7.4926e-06 deg
node 172.4123613939706 6.1255e-05 deg
peri 34.34234430149404 6.4425e-05 deg
M 188.6847362860895 2.0424e-05 deg
tp 2459772.310766593978
(2022-Jul-11.81076659)
9.7357e-05 TDB
period 1621.874606794134
4.44
2.7858e-05
7.627e-08
d
yr
n .2219653717321533 3.8126e-09 deg/d
Q 3.090126022675026 3.5385e-08 au
  Orbit Determination Parameters
   # obs. used (total)      172  
   data-arc span      7121 days (19.50 yr)  
   first obs. used      2000-04-04  
   last obs. used      2019-10-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53731  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 07:05:54  

Additional Information
 Earth MOID = 1.31241 au 
 Jupiter MOID = 1.87324 au 
 T_jup = 3.343 
[ 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 MPO494585  

296495 (2009 JF4)          Discovered 2009-May-14 by Lowe, A. at Mayhill
Reference: 20110912/Numbers.arcLast Updated: 2011-09-14

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