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JPL Small-Body Database Browser
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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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1642897090733855 5.9252e-08  
a 2.13913085151898 1.067e-08 au
q 1.787693666253024 1.3104e-07 au
i 3.411723785699784 4.8654e-06 deg
node 8.230318679650226 6.0156e-05 deg
peri 3.338229788245451 6.1663e-05 deg
M 187.7014646305052 1.0832e-05 deg
tp 2459547.432258122658
(2021-Nov-28.93225812)
3.37e-05 TDB
period 1142.758483128795
3.13
8.5505e-06
2.341e-08
d
yr
n .3150271954353334 2.3571e-09 deg/d
Q 2.490568036784937 1.2424e-08 au
  Orbit Determination Parameters
   # obs. used (total)      946  
   data-arc span      9599 days (26.28 yr)  
   first obs. used      1993-10-10  
   last obs. used      2020-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52439  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 18:53:28  

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

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2025-Apr-22 02:45 < 00:01 Iris 0.0221200656905808 0.0221175471576565 0.0221225843212587 3.5581066118728 3.55810653883164 2460787.614680725 0.69861218259334 146.54527919269 31.3278006429378 -31.9062704491836 58984.2517158742 T 25 CATAB v2.0f-lin.ifort 2020-Feb-23 18:53:31 2020-Feb-23 18:53

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