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392691 (2011 WW46)
Classification: Main-belt Asteroid          SPK-ID: 2392691
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 .09384916602912462 6.343e-08  
a 3.012050376818823 5.1342e-08 au
q 2.729371960916666 1.9264e-07 au
i 8.626575110479337 7.6744e-06 deg
node 273.5280505334023 4.7697e-05 deg
peri 111.0810383914324 6.5895e-05 deg
M 253.3591894919324 5.0871e-05 deg
tp 2459566.104309897904
(2021-Dec-17.60430990)
0.00027726 TDB
period 1909.37738182177
5.23
4.8819e-05
1.337e-07
d
yr
n .1885431363267317 4.8207e-09 deg/d
Q 3.29472879272098 5.616e-08 au
  Orbit Determination Parameters
   # obs. used (total)      155  
   data-arc span      5030 days (13.77 yr)  
   first obs. used      2005-07-31  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59704  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 04:45:37  

Additional Information
 Earth MOID = 1.74895 au 
 Jupiter MOID = 2.14244 au 
 T_jup = 3.225 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457283.5 (2015-Sep-18.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09566514838003785 6.3211e-08  
q 2.721009179583668 1.9128e-07 au
tp 2457664.623039043901
(2016-Oct-03.12303904)
0.00025017 TDB
node 273.548829083566 4.7733e-05 deg
peri 112.0952464307042 6.5359e-05 deg
i 8.626152861667165 7.6732e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      155  
   data-arc span      5030 days (13.77 yr)  
   first obs. used      2005-07-31  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59704  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 04:45:37  

Additional Information
 Jupiter MOID = 2.14244 au 
 T_jup = 3.225 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.995609461820455E-15 -1.172515935020768E-14 8.116303702306023E-13 1.34298062776683E-15 4.741162394997003E-14 3.937500161690464E-15
q -1.172515935020768E-14 3.658930772305764E-14 1.830983596856029E-12 8.041841236092421E-15 5.339856566743961E-13 -9.010454319378079E-15
tp 8.116303702306023E-13 1.830983596856029E-12 6.25865192687264E-8 5.424694130082223E-11 1.122113701821173E-8 -3.515306549563977E-12
node 1.34298062776683E-15 8.041841236092421E-15 5.424694130082223E-11 2.278473454963227E-9 -2.242895091127697E-9 4.728504546089349E-11
peri 4.741162394997003E-14 5.339856566743961E-13 1.122113701821173E-8 -2.242895091127697E-9 4.271797763647514E-9 -4.756780556975513E-11
i 3.937500161690464E-15 -9.010454319378079E-15 -3.515306549563977E-12 4.728504546089349E-11 -4.756780556975513E-11 5.887862332180889E-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 15.9   n/a MPO397429  

392691 (2011 WW46)          Discovered 2006-Dec-23 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-04-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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