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442172 (2010 WB50)
Classification: Inner Main-belt Asteroid          SPK-ID: 2442172
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1015056708323527 7.6129e-08  
a 1.913080684994552 1.3492e-08 au
q 1.718892146707763 1.4884e-07 au
i 18.53331322646386 7.1777e-06 deg
node 257.0817956487496 2.354e-05 deg
peri 140.63694963063 4.5361e-05 deg
M 237.3825108407474 4.0662e-05 deg
tp 2459329.691244210754
(2021-Apr-25.19124421)
0.00011114 TDB
period 966.4922086437032
2.65
1.0224e-05
2.799e-08
d
yr
n .3724810161741446 3.9404e-09 deg/d
Q 2.107269223281341 1.4861e-08 au
  Orbit Determination Parameters
   # obs. used (total)      180  
   data-arc span      5932 days (16.24 yr)  
   first obs. used      2002-11-15  
   last obs. used      2019-02-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67138  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 13:52:11  

Additional Information
 Earth MOID = .753689 au 
 Jupiter MOID = 3.23523 au 
 T_jup = 3.864 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457199.5 (2015-Jun-26.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1016032418479988 7.6103e-08  
q 1.718558041932708 1.4878e-07 au
tp 2457396.972016665790
(2016-Jan-09.47201667)
0.0001008 TDB
node 257.1140017118438 2.3551e-05 deg
peri 140.5797239457539 4.5354e-05 deg
i 18.52930916543181 7.1766e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      180  
   data-arc span      5932 days (16.24 yr)  
   first obs. used      2002-11-15  
   last obs. used      2019-02-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67138  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 13:52:11  

Additional Information
 Jupiter MOID = 3.23523 au 
 T_jup = 3.864 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.79167943821215E-15 -1.128645363913216E-14 -1.650868488633654E-12 1.087204294081494E-13 -5.72016846557404E-13 -2.789489976533241E-14
q -1.128645363913216E-14 2.213457076734902E-14 3.682255545951542E-12 -2.13089897846002E-13 1.278700727344853E-12 5.801152169572818E-14
tp -1.650868488633654E-12 3.682255545951542E-12 1.016029398763001E-8 -7.074605462293443E-11 3.9414269433764E-9 6.792286575483489E-11
node 1.087204294081494E-13 -2.13089897846002E-13 -7.074605462293443E-11 5.546424366939982E-10 -5.501040111239968E-10 -3.366891535893969E-11
peri -5.72016846557404E-13 1.278700727344853E-12 3.9414269433764E-9 -5.501040111239968E-10 2.057021555132506E-9 5.712292768023564E-11
i -2.789489976533241E-14 5.801152169572818E-14 6.792286575483489E-11 -3.366891535893969E-11 5.712292768023564E-11 5.150395988195059E-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 17.4   n/a MPO353530  

442172 (2010 WB50)          Discovered 2002-Nov-15 by LINEAR at Socorro
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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