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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2431052826241291 6.4768e-08  
a 2.341054939499871 1.7292e-08 AU
q 1.771932116794142 1.5406e-07 AU
i 1.862855373136569 6.9566e-06 deg
node 309.7779727841515 0.00017151 deg
peri 71.13081852305891 0.00017225 deg
M 148.7607971740454 1.8414e-05 deg
tp 2456459.867895776330
(2013-Jun-16.36789578)
6.2892e-05 JED
period 1308.325588581063
3.58
1.4496e-05
3.969e-08
d
yr
n .2751608644989019 3.0487e-09 deg/d
Q 2.910177762205601 2.1496e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      550  
   data-arc span      8637 days (23.65 yr)  
   first obs. used      1991-08-05  
   last obs. used      2015-03-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57706  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 18:13:02  

Additional Information
 Earth MOID = .775598 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 15.6 mag n/a MPO296494  

48454 (1991 PP12)          Discovered 1991-Aug-05 by Holt, H. E. at Palomar
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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