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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1311842767318619 4.9642e-08  
a 3.195547982397787 3.506e-08 au
q 2.776342331564972 1.5993e-07 au
i 21.87437918299571 8.9416e-06 deg
node 176.8414695263755 1.5265e-05 deg
peri 93.061494171399 4.074e-05 deg
M 172.4975125721556 4.0775e-05 deg
tp 2456400.737650236763
(2013-Apr-18.23765024)
0.00022839 JED
period 2086.49064295471
5.71
3.4338e-05
9.401e-08
d
yr
n .1725385163914268 2.8395e-09 deg/d
Q 3.614753633230601 3.9659e-08 au
  Orbit Determination Parameters
   # obs. used (total)      904  
   data-arc span      23901 days (65.44 yr)  
   first obs. used      1950-07-11  
   last obs. used      2015-12-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49761  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:34:11  

Additional Information
 Earth MOID = 1.86935 au 
 Jupiter MOID = 1.74178 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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