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245604 (2005 WU7)
Classification: Main-belt Asteroid          SPK-ID: 2245604
[ 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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1343006191880385 3.192e-08  
a 2.306004977418225 1.0447e-08 au
q 1.996307081100259 7.2799e-08 au
i 4.661140062930452 3.9591e-06 deg
node 248.4351461049675 5.2639e-05 deg
peri 134.1386150642427 5.5803e-05 deg
M 88.33145880705304 1.747e-05 deg
tp 2458686.664773409574
(2019-Jul-22.16477341)		 6.1923e-05 TDB
period 1279.053726706164
3.50		 8.6916e-06
2.38e-08		 d
yr
n .2814580752030462 1.9126e-09 deg/d
Q 2.615702873736191 1.185e-08 au
   Orbit Determination Parameters
   # obs. used (total)      465  
   data-arc span      7761 days (21.25 yr)  
   first obs. used      1998-11-01  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49899  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 09:44:53  

Additional Information
 Earth MOID = 1.00314 au 
 Jupiter MOID = 2.83659 au 
 T_jup = 3.571 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457384.5 (2015-Dec-28.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1346565652332128 3.2082e-08  
q 1.995333220083369 7.3187e-08 au
tp 2457405.451332568622
(2016-Jan-17.95133257)		 6.1584e-05 TDB
node 248.4940155802559 5.273e-05 deg
peri 133.5331317812238 5.5838e-05 deg
i 4.656185409533308 3.956e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      465  
   data-arc span      7761 days (21.25 yr)  
   first obs. used      1998-11-01  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49899  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 09:44:53  

Additional Information
 Jupiter MOID = 2.83659 au 
 T_jup = 3.571 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.029248395073499E-15 -2.330514912504354E-15 -2.590281255801183E-13 4.946524324121015E-15 -9.147133736082462E-14 -9.354865776686922E-16
q -2.330514912504354E-15 5.356354943525835E-15 5.578529225296107E-13 -1.213839255514294E-14 1.98932760606289E-13 2.255281621040914E-15
tp -2.590281255801183E-13 5.578529225296107E-13 3.792546386913137E-9 5.511240171691336E-12 1.148368537054172E-9 1.640310902588671E-12
node 4.946524324121015E-15 -1.213839255514294E-14 5.511240171691336E-12 2.780490046037396E-9 -2.769426840313378E-9 5.126481168425791E-11
peri -9.147133736082462E-14 1.98932760606289E-13 1.148368537054172E-9 -2.769426840313378E-9 3.117896713498348E-9 -5.058586713751225E-11
i -9.354865776686922E-16 2.255281621040914E-15 1.640310902588671E-12 5.126481168425791E-11 -5.058586713751225E-11 1.564965393566284E-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 16.8   n/a MPO454808  

245604 (2005 WU7)          Discovered 2005-Nov-21 by CSS at Catalina
Reference: 20100726/Numbers.arcLast Updated: 2010-07-28
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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