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100247 (1994 RA7)
Classification: Main-belt Asteroid          SPK-ID: 2100247
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03396532519205949 4.2524e-08  
a 2.351295262290842 1.0571e-08 au
q 2.271432754084585 1.006e-07 au
i 1.803930866363501 4.58e-06 deg
node 219.6826542503225 0.00015368 deg
peri 255.2032096468309 0.00017279 deg
M 293.841419943057 8.0269e-05 deg
tp 2459242.515317946466
(2021-Jan-28.01531795)
0.00029423 TDB
period 1316.919353253026
3.61
8.8808e-06
2.431e-08
d
yr
n .2733652589361191 1.8435e-09 deg/d
Q 2.4311577704971 1.093e-08 au
  Orbit Determination Parameters
   # obs. used (total)      475  
   data-arc span      9178 days (25.13 yr)  
   first obs. used      1994-09-12  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58859  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 11:52:24  

Additional Information
 Earth MOID = 1.28858 au 
 Jupiter MOID = 2.5807 au 
 T_jup = 3.556 
[ 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 16.7   n/a MPO293943  

100247 (1994 RA7)          Discovered 1994-Sep-12 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1994 RA7 = 2000 JF86 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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