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JPL Small-Body Database Browser
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461818 (2006 AH50)
Classification: Main-belt Asteroid          SPK-ID: 2461818
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1125881473583131 1.3214e-07  
a 2.796129558166851 6.3075e-08 au
q 2.481318511439027 3.7947e-07 au
i 22.19264861930127 9.2667e-06 deg
node 107.3411047044669 2.8631e-05 deg
peri 166.5748288986173 5.7006e-05 deg
M 146.1364223169092 5.6542e-05 deg
tp 2457907.249274613471
(2017-Jun-02.74927461)
0.00025759 TDB
period 1707.789592644715
4.68
5.7786e-05
1.582e-07
d
yr
n .2107988018843101 7.1328e-09 deg/d
Q 3.110940604894676 7.0177e-08 au
  Orbit Determination Parameters
   # obs. used (total)      73  
   data-arc span      4729 days (12.95 yr)  
   first obs. used      2005-12-04  
   last obs. used      2018-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54705  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 06:20:39  

Additional Information
 Earth MOID = 1.46767 au 
 Jupiter MOID = 2.07324 au 
 T_jup = 3.210 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456858.5 (2014-Jul-20.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1144308353218241 1.3242e-07  
q 2.473885922246433 3.8072e-07 au
tp 2456199.113930830965
(2012-Sep-28.61393083)
0.00023356 TDB
node 107.4341877077517 2.8596e-05 deg
peri 166.1528400018647 5.6164e-05 deg
i 22.21825235970829 9.2745e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      73  
   data-arc span      4729 days (12.95 yr)  
   first obs. used      2005-12-04  
   last obs. used      2018-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54705  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 06:20:39  

Additional Information
 Jupiter MOID = 2.07324 au 
 T_jup = 3.210 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.753440416831036E-14 -4.987887726456388E-14 -8.265972101952877E-12 -2.026860791247385E-13 -4.21595038064146E-13 -4.196013378404969E-14
q -4.987887726456388E-14 1.449460150839982E-13 2.583370724564811E-11 5.569527632049796E-13 1.906063932322475E-12 1.461009893106058E-13
tp -8.265972101952877E-12 2.583370724564811E-11 5.455159566590777E-8 4.510849422099669E-11 1.118275004565361E-8 1.817022268036733E-10
node -2.026860791247385E-13 5.569527632049796E-13 4.510849422099669E-11 8.177265737765715E-10 -7.614605291022941E-10 -3.519937592310071E-12
peri -4.21595038064146E-13 1.906063932322475E-12 1.118275004565361E-8 -7.614605291022941E-10 3.154446880448328E-9 4.000158462707799E-11
i -4.196013378404969E-14 1.461009893106058E-13 1.817022268036733E-10 -3.519937592310071E-12 4.000158462707799E-11 8.601717632100829E-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 16.2   n/a MPO456237  

461818 (2006 AH50)          Discovered 2005-Dec-04 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2016-03-24
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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