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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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1541055678219398 5.1652e-08  
a 2.393617836313201 1.4538e-08 AU
q 2.024748000499432 1.251e-07 AU
i 5.393417597142095 5.2058e-06 deg
node 151.5569529089773 5.1736e-05 deg
peri 190.2220806714029 5.4228e-05 deg
M 106.136917898121 1.8784e-05 deg
tp 2456601.709671955945
(2013-Nov-05.20967196)
6.8687e-05 JED
period 1352.63507683222
3.70
1.2323e-05
3.374e-08
d
yr
n .2661471716696092 2.4247e-09 deg/d
Q 2.76248767212697 1.6778e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1202  
   data-arc span      9116 days (24.96 yr)  
   first obs. used      1990-04-01  
   last obs. used      2015-03-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48532  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 16:44:53  

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 13.7 mag n/a MPO319244  

12725 (1991 PP16)          Discovered 1991-Aug-07 by Holt, H. E. at Palomar
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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