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JPL Small-Body Database Browser
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300267 (2007 JR2)
Classification: Main-belt Asteroid          SPK-ID: 2300267
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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1896780887595808 6.0531e-08  
a 2.235894709636318 1.8768e-08 au
q 1.811794474444843 1.3997e-07 au
i 1.630368118472844 5.8485e-06 deg
node 63.4323043728967 0.00021622 deg
peri 189.0740292532296 0.00021685 deg
M 196.1801540134595 1.5932e-05 deg
tp 2459156.198803834286
(2020-Nov-02.69880383)
5.5828e-05 TDB
period 1221.168095816543
3.34
1.5375e-05
4.209e-08
d
yr
n .2947997095840302 3.7117e-09 deg/d
Q 2.659994944827792 2.2328e-08 au
  Orbit Determination Parameters
   # obs. used (total)      134  
   data-arc span      6817 days (18.66 yr)  
   first obs. used      2000-03-11  
   last obs. used      2018-11-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60498  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 09:13:16  

Additional Information
 Earth MOID = .797126 au 
 Jupiter MOID = 2.3813 au 
 T_jup = 3.614 
[ 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 17.8   n/a MPO310851  

300267 (2007 JR2)          Discovered 2007-May-07 by LUSS at Lulin
Reference: 20111012/Numbers.arcLast Updated: 2011-10-13

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Alternate Designations
 2007 JR2 = 2001 TD208 = 2004 RG356 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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