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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .154159323640925 5.749e-08  
a 2.392833359630483 1.6598e-08 AU
q 2.023955787324405 1.4197e-07 AU
i 5.393121312609394 5.6144e-06 deg
node 151.5640093623235 5.6853e-05 deg
peri 190.0901448891843 5.9306e-05 deg
M 53.01429347510786 1.858e-05 deg
tp 2456601.406268607842
(2013-Nov-04.90626861)
6.8917e-05 JED
period 1351.970168853241
3.70
1.4067e-05
3.851e-08
d
yr
n .2662780646301957 2.7705e-09 deg/d
Q 2.76171093193656 1.9156e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1066  
   data-arc span      8577 days (23.48 yr)  
   first obs. used      1990-04-01  
   last obs. used      2013-09-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49535  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 20:27:11  

Additional Information
 Earth MOID = 1.01449 AU 
 T_jup = 3.509 
[ 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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