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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09510706713726554 6.3493e-08  
a 3.007755269586072 5.2044e-08 au
q 2.721696487229085 1.9221e-07 au
i 8.627660547838977 7.8744e-06 deg
node 273.5297094778342 4.8175e-05 deg
peri 111.6371785903325 6.6272e-05 deg
M 177.2963486761203 4.9795e-05 deg
tp 2457662.161658854118
(2016-Sep-30.66165885)
0.00025388 TDB
period 1905.294752739685
5.22
4.9452e-05
1.354e-07
d
yr
n .1889471429459113 4.9041e-09 deg/d
Q 3.293814051943059 5.6994e-08 au
  Orbit Determination Parameters
   # obs. used (total)      144  
   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      .57865  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 09:55:40  

Additional Information
 Earth MOID = 1.74065 au 
 Jupiter MOID = 2.14304 au 
 T_jup = 3.227 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457246.5 (2015-Aug-12.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0956702584906694 6.3495e-08  
q 2.720954613489837 1.9236e-07 au
tp 2457664.660450581126
(2016-Oct-03.16045058)
0.00025248 TDB
node 273.5491725119513 4.8184e-05 deg
peri 112.1044108042407 6.6074e-05 deg
i 8.626261534978068 7.8735e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      144  
   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      .57865  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 09:55:40  

Additional Information
 Jupiter MOID = 2.14304 au 
 T_jup = 3.227 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.031677391874919E-15 -1.184281721635571E-14 7.192588231570017E-13 -5.002605840108144E-17 3.269643196422526E-14 3.519884889703536E-15
q -1.184281721635571E-14 3.700079473543036E-14 1.971809488907953E-12 1.216226755729243E-14 5.470384846261862E-13 -7.708231055727876E-15
tp 7.192588231570017E-13 1.971809488907953E-12 6.374773292772181E-8 5.533465873558102E-11 1.146548084660282E-8 -4.096859344893448E-12
node -5.002605840108144E-17 1.216226755729243E-14 5.533465873558102E-11 2.321656322388987E-9 -2.285325860966137E-9 5.312779774198909E-11
peri 3.269643196422526E-14 5.470384846261862E-13 1.146548084660282E-8 -2.285325860966137E-9 4.365750027701829E-9 -5.344820503913588E-11
i 3.519884889703536E-15 -7.708231055727876E-15 -4.096859344893448E-12 5.312779774198909E-11 -5.344820503913588E-11 6.199223419627408E-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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