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12725 (1991 PP16)
Classification: Main-belt Asteroid          SPK-ID: 2012725
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1541055761952731 5.7254e-08  
a 2.393617833930234 1.6302e-08 AU
q 2.024747978441134 1.4114e-07 AU
i 5.393415959820167 5.5915e-06 deg
node 151.5569321103189 5.6717e-05 deg
peri 190.2221029943931 5.9172e-05 deg
M 106.1369175987257 1.8811e-05 deg
tp 2456601.709673676392
(2013-Nov-05.20967368)
6.8918e-05 JED
period 1352.635074812296
3.70
1.3818e-05
3.783e-08
d
yr
n .2661471720670536 2.7189e-09 deg/d
Q 2.762487689419335 1.8814e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1073  
   data-arc span      8978 days (24.58 yr)  
   first obs. used      1990-04-01  
   last obs. used      2014-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49553  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 13:18:05  

Additional Information
 Earth MOID = 1.01706 AU 
 T_jup = 3.508 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.6 mag n/a MPO267757  

12725 (1991 PP16)          Discovered 1991-Aug-07 by Holt, H. E. at Palomar (675)
Reference: 19991222/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1991 PP16 = 1995 UU8 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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