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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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1309807212870057 5.0177e-08  
a 3.196615393084691 3.5661e-08 AU
q 2.777920403221313 1.6187e-07 AU
i 21.87318800443191 1.1658e-05 deg
node 176.8370403641492 1.5486e-05 deg
peri 93.20701659199111 4.7973e-05 deg
M 103.340324740102 4.6069e-05 deg
tp 2456401.259265431314
(2013-Apr-18.75926543)
0.00026376 JED
period 2087.53615771262
5.72
3.4932e-05
9.564e-08
d
yr
n .1724521027671509 2.8858e-09 deg/d
Q 3.615310382948069 4.0332e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      813  
   data-arc span      23506 days (64.36 yr)  
   first obs. used      1950-07-11  
   last obs. used      2014-11-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49807  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 02:31:55  

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 (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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