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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 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1309806902358221 5.736e-08  
a 3.196615413478872 4.0048e-08 AU
q 2.777920520202942 1.9277e-07 AU
i 21.8731906369031 1.2162e-05 deg
node 176.8370368788168 1.7049e-05 deg
peri 93.20700844841457 5.0173e-05 deg
M 103.3403293352236 4.6503e-05 deg
tp 2456401.259233050858
(2013-Apr-18.75923305)
0.00026703 JED
period 2087.53617769012
5.72
3.9229e-05
1.074e-07
d
yr
n .1724521011168025 3.2407e-09 deg/d
Q 3.615310306754802 4.5293e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      741  
   data-arc span      23429 days (64.15 yr)  
   first obs. used      1950-07-11  
   last obs. used      2014-09-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50287  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-12 14:06:46  

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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