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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1309588879068568 7.0945e-08  
a 3.197266960311149 4.4797e-08 AU
q 2.778556434847464 2.4356e-07 AU
i 21.87118104593438 1.3165e-05 deg
node 176.8357201483303 1.9358e-05 deg
peri 93.2962947249577 5.4963e-05 deg
M 68.76738947772888 5.0872e-05 deg
tp 2456401.615818440818
(2013-Apr-19.11581844)
0.00029289 JED
period 2088.174445066169
5.72
4.3887e-05
1.202e-07
d
yr
n .1723993897399661 3.6233e-09 deg/d
Q 3.615977485774833 5.0664e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      727  
   data-arc span      23003 days (62.98 yr)  
   first obs. used      1950-07-11  
   last obs. used      2013-07-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51985  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-05 18:27:02  

Additional Information
 Earth MOID = 1.87223 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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