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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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1721760668930188 4.8005e-08  
a 2.319739407723495 1.1108e-08 au
q 1.920335800284923 1.0923e-07 au
i 3.063837274554109 5.5204e-06 deg
node 129.4795254292439 0.00010049 deg
peri 262.9916094922561 0.00010187 deg
M 326.4726339984455 1.6065e-05 deg
tp 2458720.686077689360
(2019-Aug-25.18607769)
5.7781e-05 TDB
period 1290.497677812319
3.53
9.2696e-06
2.538e-08
d
yr
n .278962144752 2.0038e-09 deg/d
Q 2.719143015162067 1.3021e-08 au
  Orbit Determination Parameters
   # obs. used (total)      345  
   data-arc span      6705 days (18.36 yr)  
   first obs. used      2001-07-29  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55455  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 13:59:39  

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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