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JPL Small-Body Database Browser
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193805 (2001 PA21)
Classification: Main-belt Asteroid          SPK-ID: 2193805
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1338065408434577 3.9863e-08  
a 2.184984587893908 1.1839e-08 au
q 1.892619358391556 8.5929e-08 au
i 2.254933554896418 6.2248e-06 deg
node 156.2696380809563 9.5856e-05 deg
peri 103.8835627976003 9.887e-05 deg
M 223.5188161209516 2.6151e-05 deg
tp 2459047.740654216630
(2020-Jul-17.24065422)
8.691e-05 TDB
period 1179.698409274301
3.23
9.5882e-06
2.625e-08
d
yr
n .3051627408919339 2.4803e-09 deg/d
Q 2.477349817396259 1.3423e-08 au
  Orbit Determination Parameters
   # obs. used (total)      377  
   data-arc span      7410 days (20.29 yr)  
   first obs. used      1998-09-25  
   last obs. used      2019-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63608  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 14:52:50  

Additional Information
 Earth MOID = .878453 au 
 Jupiter MOID = 2.57214 au 
 T_jup = 3.665 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.8   n/a MPO418041  

193805 (2001 PA21)          Discovered 2001-Aug-10 by NEAT at Haleakala
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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