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193558 (2001 AA4)
Classification: Main-belt Asteroid          SPK-ID: 2193558
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1844314384687782 5.9684e-08  
a 2.666517961046194 1.6435e-08 au
q 2.174728217787611 1.6095e-07 au
i 13.09119128784991 4.8636e-06 deg
node 124.1164463013872 2.7438e-05 deg
peri 279.1184547873844 3.0475e-05 deg
M 210.9836760681196 1.3198e-05 deg
tp 2459658.834389124053
(2022-Mar-20.33438912)
6.0387e-05 TDB
period 1590.432335406412
4.35
1.4704e-05
4.026e-08
d
yr
n .2263535467593515 2.0927e-09 deg/d
Q 3.158307704304777 1.9466e-08 au
  Orbit Determination Parameters
   # obs. used (total)      509  
   data-arc span      7068 days (19.35 yr)  
   first obs. used      2000-12-19  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58722  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 05:33:06  

Additional Information
 Earth MOID = 1.22914 au 
 Jupiter MOID = 2.34541 au 
 T_jup = 3.322 
[ 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 15.4   n/a MPO325796  

193558 (2001 AA4)          Discovered 2001-Jan-02 by LINEAR at Socorro
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

Alternate Designations
 2001 AA4 = 2004 TE223 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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