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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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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1896944542143347 5.0471e-08  
a 2.235401466958932 1.7222e-08 au
q 1.811358205734235 1.2194e-07 au
i 1.630269658835053 4.5909e-06 deg
node 63.42556334236226 0.00021056 deg
peri 189.1611741196672 0.00021114 deg
M 314.0262167433977 1.6193e-05 deg
tp 2459156.397613680959
(2020-Nov-02.89761368)
5.5415e-05 TDB
period 1220.764030053703
3.34
1.4108e-05
3.863e-08
d
yr
n .2948972865658264 3.408e-09 deg/d
Q 2.65944472818363 2.0489e-08 au
  Orbit Determination Parameters
   # obs. used (total)      183  
   data-arc span      7343 days (20.10 yr)  
   first obs. used      2000-03-11  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59007  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 19:36:20  

Additional Information
 Earth MOID = .796931 au 
 Jupiter MOID = 2.38217 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 17.7   n/a MPO471162  

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

[ show close-approach data ]
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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