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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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1309807261914234 4.9898e-08  
a 3.196615389868308 3.5489e-08 AU
q 2.777920384748677 1.6064e-07 AU
i 21.87318480073773 1.1516e-05 deg
node 176.8370426183681 1.5419e-05 deg
peri 93.20701628766795 4.776e-05 deg
M 103.3403240108301 4.5982e-05 deg
tp 2456401.259270564571
(2013-Apr-18.75927056)
0.00026319 JED
period 2087.536154561952
5.72
3.4764e-05
9.518e-08
d
yr
n .1724521030274287 2.8719e-09 deg/d
Q 3.615310394987939 4.0137e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      832  
   data-arc span      23571 days (64.53 yr)  
   first obs. used      1950-07-11  
   last obs. used      2015-01-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50017  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 14:46:57  

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 12.6 mag n/a MPO319292  

16546 (1991 RP5)          Discovered 1991-Sep-13 by Holt, H. E. at Palomar
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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