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JPL Small-Body Database Browser
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442809 (2013 AY38)
Classification: Main-belt Asteroid          SPK-ID: 2442809
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2358146375770888 8.2726e-08  
a 2.271277548188254 1.1166e-08 au
q 1.735677056325262 1.8967e-07 au
i 1.036473137608133 4.8947e-06 deg
node 284.1291542869254 0.00038204 deg
peri 119.719057285686 0.0003867 deg
M 351.1563072240686 4.835e-05 deg
tp 2458631.213894275088
(2019-May-27.71389428)
0.00016794 TDB
period 1250.269793306705
3.42
9.2196e-06
2.524e-08
d
yr
n .2879378530356032 2.1233e-09 deg/d
Q 2.806878040051246 1.3799e-08 au
  Orbit Determination Parameters
   # obs. used (total)      132  
   data-arc span      8875 days (24.30 yr)  
   first obs. used      1991-09-13  
   last obs. used      2015-12-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64769  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 12:25:03  

Additional Information
 Earth MOID = .744438 au 
 Jupiter MOID = 2.59809 au 
 T_jup = 3.575 
[ 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 18.6   n/a MPO349192  

442809 (2013 AY38)          Discovered 1998-Nov-16 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

Alternate Designations
 2013 AY38 = 1998 WD26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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