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JPL Small-Body Database Browser
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193798 (2001 PF8)
Classification: Main-belt Asteroid          SPK-ID: 2193798
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2198322519496346 4.2717e-08  
a 2.235141062564527 1.1167e-08 au
q 1.743784969355868 9.8297e-08 au
i 6.808996689668654 7.3999e-06 deg
node 46.86983436680147 3.9943e-05 deg
peri 248.833568115775 4.494e-05 deg
M 126.1924813600923 2.198e-05 deg
tp 2458172.654654189771
(2018-Feb-23.15465419)
7.2667e-05 TDB
period 1220.550724033799
3.34
9.1471e-06
2.504e-08
d
yr
n .2949488234378623 2.2104e-09 deg/d
Q 2.726497155773187 1.3622e-08 au
  Orbit Determination Parameters
   # obs. used (total)      230  
   data-arc span      7308 days (20.01 yr)  
   first obs. used      1998-10-17  
   last obs. used      2018-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .69372  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-31 03:38:44  

Additional Information
 Earth MOID = .741563 au 
 Jupiter MOID = 2.49964 au 
 T_jup = 3.598 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.2   n/a MPO459866  

193798 (2001 PF8)          Discovered 2001-Aug-11 by NEAT at Palomar
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

[ show close-approach data ]
Alternate Designations
 2001 PF8 = 1998 UR47 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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