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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 ]

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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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .217011967622051 5.6417e-08  
a 2.367552783841745 1.6804e-08 au
q 1.853765495771184 1.3429e-07 au
i 5.431931329771521 5.1796e-06 deg
node 121.4006752444536 7.0094e-05 deg
peri 298.337799255423 7.4085e-05 deg
M 53.11615651340684 1.6422e-05 deg
tp 2458804.176596978900
(2019-Nov-16.67659698)
6.1475e-05 TDB
period 1330.601265732714
3.64
1.4166e-05
3.878e-08
d
yr
n .2705543796411174 2.8805e-09 deg/d
Q 2.881340071912307 2.0451e-08 au
  Orbit Determination Parameters
   # obs. used (total)      111  
   data-arc span      6561 days (17.96 yr)  
   first obs. used      2001-12-17  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59682  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 22:53:50  

Additional Information
 Earth MOID = .873832 au 
 Jupiter MOID = 2.46781 au 
 T_jup = 3.509 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457951.5 (2017-Jul-17.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2157175082533993 5.6286e-08  
q 1.858137042209103 1.3372e-07 au
tp 2457472.006774456906
(2016-Mar-24.50677446)
6.9564e-05 TDB
node 121.4873645816406 7.016e-05 deg
peri 298.0788354254854 7.4244e-05 deg
i 5.427940230307015 5.1739e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      111  
   data-arc span      6561 days (17.96 yr)  
   first obs. used      2001-12-17  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59682  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 22:53:50  

Additional Information
 Jupiter MOID = 2.46781 au 
 T_jup = 3.509 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.168077291854533E-15 -7.489419781544093E-15 -3.032172713263968E-13 -1.162797005320252E-13 5.703881059369706E-15 -1.612473553587563E-14
q -7.489419781544093E-15 1.788000665571171E-14 2.069227274115508E-13 2.815429500287894E-13 -1.735610131915416E-13 3.811546674806337E-14
tp -3.032172713263968E-13 2.069227274115508E-13 4.83920457685939E-9 -3.160340863503837E-11 1.723783909792192E-9 3.301416276919061E-13
node -1.162797005320252E-13 2.815429500287894E-13 -3.160340863503837E-11 4.922481982947803E-9 -4.910623476843725E-9 -5.106436880648606E-11
peri 5.703881059369706E-15 -1.735610131915416E-13 1.723783909792192E-9 -4.910623476843725E-9 5.512110107982703E-9 5.109027289836939E-11
i -1.612473553587563E-14 3.811546674806337E-14 3.301416276919061E-13 -5.106436880648606E-11 5.109027289836939E-11 2.676941821254126E-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 18.2   n/a MPO495194  

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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