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JPL Small-Body Database Browser
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193947 (2001 RA46)
Classification: Main-belt Asteroid          SPK-ID: 2193947
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1721760874123508 5.3853e-08  
a 2.319739399594064 1.4716e-08 au
q 1.920335745955683 1.2679e-07 au
i 3.063844630240887 6.8075e-06 deg
node 129.4795865399182 0.00010713 deg
peri 262.9915349904848 0.00010961 deg
M 326.4726515950327 2.63e-05 deg
tp 2458720.686013978817
(2019-Aug-25.18601398)
9.4991e-05 TDB
period 1290.497671028575
3.53
1.228e-05
3.362e-08
d
yr
n .278962146218417 2.6546e-09 deg/d
Q 2.719143053232446 1.725e-08 au
  Orbit Determination Parameters
   # obs. used (total)      279  
   data-arc span      6192 days (16.95 yr)  
   first obs. used      2001-07-29  
   last obs. used      2018-07-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57807  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 07:59:30  

Additional Information
 Earth MOID = .92846 au 
 Jupiter MOID = 2.71232 au 
 T_jup = 3.557 
[ 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 16.8   n/a MPO454348  

193947 (2001 RA46)          Discovered 2001-Sep-15 by Ball, L. at Emerald Lane
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

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