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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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2427521057244753 6.5803e-08  
a 2.341963245767896 1.7486e-08 AU
q 1.773446736328413 1.5623e-07 AU
i 1.862990311732772 7.3001e-06 deg
node 309.7807883639371 0.00017259 deg
peri 71.20180690137855 0.00017339 deg
M 93.67666047040009 1.8182e-05 deg
tp 2456459.858592429627
(2013-Jun-16.35859243)
6.3719e-05 JED
period 1309.087088603925
3.58
1.4661e-05
4.014e-08
d
yr
n .2750008025699205 3.0799e-09 deg/d
Q 2.91047975520738 2.1731e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      528  
   data-arc span      8324 days (22.79 yr)  
   first obs. used      1991-08-05  
   last obs. used      2014-05-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5777  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-16 14:59:07  

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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