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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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2109015604076935 7.9894e-08  
a 2.350965798009337 2.1608e-08 AU
q 1.855143442744049 1.8869e-07 AU
i 6.53490972292984 8.6867e-06 deg
node 321.2269169842756 7.3089e-05 deg
peri 14.51278835524402 7.6119e-05 deg
M 167.0621864222158 2.3068e-05 deg
tp 2456389.496703210096
(2013-Apr-06.99670321)
8.0192e-05 JED
period 1316.642572176436
3.60
1.8152e-05
4.97e-08
d
yr
n .2734227250489957 3.7696e-09 deg/d
Q 2.846788153274624 2.6165e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      346  
   data-arc span      8547 days (23.40 yr)  
   first obs. used      1991-07-17  
   last obs. used      2014-12-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .56157  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 04:17:02  

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 (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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