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80103 (1999 PA)
Classification: Main-belt Asteroid          SPK-ID: 2080103
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1642896978898583 5.7955e-08  
a 2.13913085552604 9.7807e-09 au
q 1.787693693524793 1.2757e-07 au
i 3.411724693398396 4.7996e-06 deg
node 8.230341532976066 5.7072e-05 deg
peri 3.338200054253187 5.8224e-05 deg
M 187.7014688520291 9.8993e-06 deg
tp 2459547.432246258937
(2021-Nov-28.93224626)
3.1367e-05 TDB
period 1142.75848633975
3.13
7.8375e-06
2.146e-08
d
yr
n .3150271945501611 2.1606e-09 deg/d
Q 2.490568017527288 1.1388e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1000  
   data-arc span      9692 days (26.54 yr)  
   first obs. used      1993-10-10  
   last obs. used      2020-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52155  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 14:47:36  

Additional Information
 Earth MOID = .787604 au 
 Jupiter MOID = 2.97353 au 
 T_jup = 3.695 
[ 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 16.1   n/a MPO453223  

80103 (1999 PA)          Discovered 1999-Aug-02 by Kagawa, T. at Gekko
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1999 PA = 1993 TW43 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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