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442849 (2013 AA122)
Classification: Main-belt Asteroid          SPK-ID: 2442849
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05265257714014106 1.0577e-07  
a 2.712749193505168 6.3303e-08 au
q 2.569915957332282 3.1649e-07 au
i 5.986272064155088 7.8769e-06 deg
node 103.4766693973653 9.3512e-05 deg
peri 238.9442272805482 0.00012595 deg
M 12.59063263531545 7.6212e-05 deg
tp 2458943.423419923474
(2020-Apr-03.92341992)
0.00034598 TDB
period 1631.972707226447
4.47
5.7124e-05
1.564e-07
d
yr
n .220591924366078 7.7214e-09 deg/d
Q 2.855582429678055 6.6636e-08 au
  Orbit Determination Parameters
   # obs. used (total)      113  
   data-arc span      5200 days (14.24 yr)  
   first obs. used      2004-01-16  
   last obs. used      2018-04-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51857  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 09:08:54  

Additional Information
 Earth MOID = 1.5668 au 
 Jupiter MOID = 2.36083 au 
 T_jup = 3.352 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456691.5 (2014-Feb-03.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05496087591817306 1.0654e-07  
q 2.563573218122385 3.1959e-07 au
tp 2457315.264961352498
(2015-Oct-19.76496135)
0.00034427 TDB
node 103.5328699814488 9.3671e-05 deg
peri 240.0419375026096 0.00012309 deg
i 5.982247156285152 7.8674e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      113  
   data-arc span      5200 days (14.24 yr)  
   first obs. used      2004-01-16  
   last obs. used      2018-04-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51857  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 09:08:54  

Additional Information
 Jupiter MOID = 2.36083 au 
 T_jup = 3.352 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.135049596633911E-14 -3.355483146551477E-14 1.192174047175422E-11 2.176235305163228E-13 2.929957091865404E-12 -5.372984579805937E-15
q -3.355483146551477E-14 1.02140727109354E-13 -4.029115772640222E-11 -6.330680299894832E-13 -1.003285918779491E-11 2.038623090804048E-14
tp 1.192174047175422E-11 -4.029115772640222E-11 1.185197173714415E-7 2.994867161388022E-10 2.75950382917488E-8 4.134886838625677E-12
node 2.176235305163228E-13 -6.330680299894832E-13 2.994867161388022E-10 8.77432967774504E-9 -8.650118928645398E-9 2.08532476621042E-10
peri 2.929957091865404E-12 -1.003285918779491E-11 2.75950382917488E-8 -8.650118928645398E-9 1.51513627913692E-8 -2.068478040399372E-10
i -5.372984579805937E-15 2.038623090804048E-14 4.134886838625677E-12 2.08532476621042E-10 -2.068478040399372E-10 6.189637084930626E-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 16.7   n/a MPO440834  

442849 (2013 AA122)          Discovered 2007-Nov-08 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

Alternate Designations
 2013 AA122 = 2014 JF33 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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