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16546 (1991 RP5)
Classification: Main-belt Asteroid          SPK-ID: 2016546
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1309807252546034 5.28e-08  
a 3.196615390479524 3.7259e-08 AU
q 2.777920388274488 1.7331e-07 AU
i 21.87319028760302 1.1979e-05 deg
node 176.8370366533085 1.6157e-05 deg
peri 93.20702354574962 4.8904e-05 deg
M 103.3403221989631 4.6249e-05 deg
tp 2456401.259280899196
(2013-Apr-18.75928090)
0.00026508 JED
period 2087.53615516068
5.72
3.6498e-05
9.993e-08
d
yr
n .1724521029779676 3.0151e-09 deg/d
Q 3.615310392684559 4.2139e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      779  
   data-arc span      23461 days (64.23 yr)  
   first obs. used      1950-07-11  
   last obs. used      2014-10-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5016  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 14:32:47  

Additional Information
 Earth MOID = 1.87329 AU 
 T_jup = 3.070 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.5 mag n/a MPO266043  

16546 (1991 RP5)          Discovered 1991-Sep-13 by Holt, H. E. at Palomar (675)
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 RP5 = 2000 JT2 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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