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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2109015634677348 7.93e-08  
a 2.350965799560489 2.0922e-08 AU
q 1.855143436774009 1.8777e-07 AU
i 6.534908884922864 8.5348e-06 deg
node 321.2269501419369 5.9892e-05 deg
peri 14.51275116970682 6.2575e-05 deg
M 167.062188997961 2.2109e-05 deg
tp 2456389.496693185015
(2013-Apr-06.99669319)
7.5804e-05 JED
period 1316.642573479505
3.60
1.7576e-05
4.812e-08
d
yr
n .2734227247783917 3.6499e-09 deg/d
Q 2.84678816234697 2.5334e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      413  
   data-arc span      8665 days (23.72 yr)  
   first obs. used      1991-07-17  
   last obs. used      2015-04-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55308  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 17:43:03  

Additional Information
 Earth MOID = .846613 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
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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