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48455 (1991 PK13)
Classification: Main-belt Asteroid          SPK-ID: 2048455
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .210486283251586 8.3551e-08  
a 2.351011281972084 1.9408e-08 AU
q 1.856155655347233 1.9653e-07 AU
i 6.532868128710398 9.1833e-06 deg
node 321.2324754173744 7.7995e-05 deg
peri 14.38661488849545 8.1348e-05 deg
M 112.5774195851179 2.4297e-05 deg
tp 2456388.754097674737
(2013-Apr-06.25409767)
8.6307e-05 JED
period 1316.680781842059
3.60
1.6304e-05
4.464e-08
d
yr
n .2734147904067938 3.3855e-09 deg/d
Q 2.845866908596934 2.3493e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      339  
   data-arc span      8282 days (22.67 yr)  
   first obs. used      1991-07-17  
   last obs. used      2014-03-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .58312  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 14:51:41  

Additional Information
 Earth MOID = .845791 AU 
 T_jup = 3.519 
[ 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  

48455 (1991 PK13)          Discovered 1991-Aug-05 by Holt, H. E. at Palomar (675)
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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