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48454 (1991 PP12)
Classification: Main-belt Asteroid          SPK-ID: 2048454
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2427521303626834 6.9081e-08  
a 2.341963242037862 1.7337e-08 AU
q 1.773446675802074 1.635e-07 AU
i 1.862989632719169 7.411e-06 deg
node 309.781079286097 0.00018326 deg
peri 71.20152685690893 0.00018404 deg
M 93.67665467302874 1.8489e-05 deg
tp 2456459.858614324722
(2013-Jun-16.35861432)
6.4853e-05 JED
period 1309.087085476459
3.58
1.4537e-05
3.98e-08
d
yr
n .2750008032269093 3.0537e-09 deg/d
Q 2.91047980827365 2.1546e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      525  
   data-arc span      8242 days (22.57 yr)  
   first obs. used      1991-08-05  
   last obs. used      2014-02-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .60705  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Mar-22 11:49:31  

Additional Information
 Earth MOID = .775895 AU 
 T_jup = 3.523 
[ 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 15.5 mag n/a MPO279997  

48454 (1991 PP12)          Discovered 1991-Aug-05 by Holt, H. E. at Palomar (675)
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1991 PP12 = 1998 MO47 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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