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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2432999406347729 6.2916e-08  
a 2.341137486031106 1.6935e-08 au
q 1.771538874661896 1.5038e-07 au
i 1.862641445428713 6.3468e-06 deg
node 309.7701391300138 0.0001708 deg
peri 71.06387109291086 0.00017144 deg
M 313.9757087163456 1.9489e-05 deg
tp 2457767.772063348265
(2017-Jan-14.27206335)
7.2243e-05 JED
period 1308.39478731445
3.58
1.4197e-05
3.887e-08
d
yr
n .2751463117175201 2.9855e-09 deg/d
Q 2.910736097400315 2.1056e-08 au
  Orbit Determination Parameters
   # obs. used (total)      619  
   data-arc span      9019 days (24.69 yr)  
   first obs. used      1991-08-05  
   last obs. used      2016-04-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57952  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 14:31:15  

Additional Information
 Earth MOID = .773999 au 
 Jupiter MOID = 2.55237 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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