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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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .210901559089592 7.9769e-08  
a 2.350965797200042 2.1458e-08 AU
q 1.855143445204247 1.885e-07 AU
i 6.534909288551671 8.6731e-06 deg
node 321.22693336 7.0657e-05 deg
peri 14.51277351516891 7.3609e-05 deg
M 167.0621857276366 2.2859e-05 deg
tp 2456389.496706065906
(2013-Apr-06.99670607)
7.9241e-05 JED
period 1316.642571496575
3.60
1.8026e-05
4.935e-08
d
yr
n .27342272519018 3.7434e-09 deg/d
Q 2.846788149195836 2.5983e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      350  
   data-arc span      8597 days (23.54 yr)  
   first obs. used      1991-07-17  
   last obs. used      2015-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55984  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 15:04:18  

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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