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JPL Small-Body Database Browser
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442796 (2013 AY7)
Classification: Main-belt Asteroid          SPK-ID: 2442796
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .216846820274467 5.7911e-08  
a 2.367168103078279 1.7907e-08 au
q 1.853855226870613 1.3893e-07 au
i 5.431753313489899 7.3576e-06 deg
node 121.4030054901269 8.8178e-05 deg
peri 298.3683804652144 9.1873e-05 deg
M 304.8596929687365 2.0359e-05 deg
tp 2458804.255225944448
(2019-Nov-16.75522594)
7.4968e-05 TDB
period 1330.276984101884
3.64
1.5095e-05
4.133e-08
d
yr
n .2706203326843608 3.0708e-09 deg/d
Q 2.880480979285946 2.179e-08 au
  Orbit Determination Parameters
   # obs. used (total)      71  
   data-arc span      6527 days (17.87 yr)  
   first obs. used      2001-12-17  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68206  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 16:02:00  

Additional Information
 Earth MOID = .873587 au 
 Jupiter MOID = 2.46804 au 
 T_jup = 3.509 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457568.5 (2016-Jun-29.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .215578635869626 5.7775e-08  
q 1.857342260608486 1.3841e-07 au
tp 2457471.508258882046
(2016-Mar-24.00825888)
7.9262e-05 TDB
node 121.5242244113706 8.8223e-05 deg
peri 297.8631745631349 9.2003e-05 deg
i 5.429824463599814 7.3596e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      71  
   data-arc span      6527 days (17.87 yr)  
   first obs. used      2001-12-17  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68206  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 16:02:00  

Additional Information
 Jupiter MOID = 2.46804 au 
 T_jup = 3.509 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.337894600504308E-15 -7.955740459697475E-15 -8.275495812193367E-13 -9.044799850539837E-14 -1.653458283875975E-13 -1.342439840823735E-14
q -7.955740459697475E-15 1.915706591994382E-14 1.65476877167838E-12 2.134253144072262E-13 2.958563430243042E-13 3.139603037832081E-14
tp -8.275495812193367E-13 1.65476877167838E-12 6.282519409159541E-9 -5.097585983746123E-11 2.140236142675303E-9 -1.376984662150198E-12
node -9.044799850539837E-14 2.134253144072262E-13 -5.097585983746123E-11 7.78329144285046E-9 -7.762230983512652E-9 2.282339724902057E-10
peri -1.653458283875975E-13 2.958563430243042E-13 2.140236142675303E-9 -7.762230983512652E-9 8.464468609117523E-9 -2.272731942558423E-10
i -1.342439840823735E-14 3.139603037832081E-14 -1.376984662150198E-12 2.282339724902057E-10 -2.272731942558423E-10 5.416356963285951E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.4   n/a MPO349192  

442796 (2013 AY7)          Discovered 2001-Dec-17 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

Alternate Designations
 2013 AY7 = 2013 CK16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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