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JPL Small-Body Database Browser
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441854 (2009 WR96)
Classification: Main-belt Asteroid          SPK-ID: 2441854
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1082579928451912 5.9522e-08  
a 2.25924887291547 2.169e-08 au
q 2.014667124595881 1.4601e-07 au
i 3.456205505824961 6.7838e-06 deg
node 65.96304762885744 0.00013064 deg
peri 40.43734635870242 0.00013878 deg
M 239.7713399665702 4.7716e-05 deg
tp 2459014.738103146190
(2020-Jun-14.23810315)
0.00016627 TDB
period 1240.35082060437
3.40
1.7862e-05
4.89e-08
d
yr
n .2902404658583508 4.1796e-09 deg/d
Q 2.503830621235059 2.4038e-08 au
  Orbit Determination Parameters
   # obs. used (total)      112  
   data-arc span      4693 days (12.85 yr)  
   first obs. used      2006-12-23  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61546  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 15:59:20  

Additional Information
 Earth MOID = 1.03314 au 
 Jupiter MOID = 2.59499 au 
 T_jup = 3.611 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457550.5 (2016-Jun-11.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1073621182077378 5.9426e-08  
q 2.017229170356284 1.4575e-07 au
tp 2457773.379442163083
(2017-Jan-19.87944216)
0.00016326 TDB
node 65.97114166081329 0.00013067 deg
peri 40.25123903314118 0.00013899 deg
i 3.455984894572157 6.7841e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      112  
   data-arc span      4693 days (12.85 yr)  
   first obs. used      2006-12-23  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61546  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 15:59:20  

Additional Information
 Jupiter MOID = 2.59499 au 
 T_jup = 3.611 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.531395438310129E-15 -8.607340987525854E-15 3.494085969546135E-13 -2.945238451625601E-14 2.939265312700309E-13 -1.808776606335624E-15
q -8.607340987525854E-15 2.12417271045824E-14 -6.708294147002627E-14 8.124481734857711E-14 -4.977574828931783E-13 4.939770139760184E-15
tp 3.494085969546135E-13 -6.708294147002627E-14 2.665262485478839E-8 3.335322629725881E-10 7.791585488066935E-9 -6.188460426367199E-12
node -2.945238451625601E-14 8.124481734857711E-14 3.335322629725881E-10 1.707536240891208E-8 -1.694431390482318E-8 -4.002173253004653E-10
peri 2.939265312700309E-13 -4.977574828931783E-13 7.791585488066935E-9 -1.694431390482318E-8 1.931939804223345E-8 3.976250343037574E-10
i -1.808776606335624E-15 4.939770139760184E-15 -6.188460426367199E-12 -4.002173253004653E-10 3.976250343037574E-10 4.602399420126959E-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 18.0   n/a MPO460658  
diameter diameter 1.288 km 0.216 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.067   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

441854 (2009 WR96)          Discovered 2009-Nov-20 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02

Alternate Designations
 2009 WR96 = 2006 YX18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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