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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1312665909654987 4.9597e-08  
a 3.19537696320903 3.4895e-08 au
q 2.775930722398893 1.5994e-07 au
i 21.87440980996743 7.7157e-06 deg
node 176.8408264320538 1.5142e-05 deg
peri 93.01472439564837 3.7923e-05 deg
M 207.0689945056438 3.8883e-05 deg
tp 2458486.787491194180
(2019-Jan-03.28749119)
0.000234 JED
period 2086.323148131525
5.71
3.4176e-05
9.357e-08
d
yr
n .1725523681805524 2.8266e-09 deg/d
Q 3.614823204019167 3.9476e-08 au
  Orbit Determination Parameters
   # obs. used (total)      964  
   data-arc span      23976 days (65.64 yr)  
   first obs. used      1950-07-11  
   last obs. used      2016-03-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49972  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Mar-24 16:27:10  

Additional Information
 Earth MOID = 1.87013 au 
 Jupiter MOID = 1.74194 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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