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441653 (2008 WZ73)
Classification: Main-belt Asteroid          SPK-ID: 2441653
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 .230374265511568 5.129e-08  
a 2.40682134303236 1.7403e-08 au
q 1.852351643913714 1.176e-07 au
i 5.146550730385316 4.8571e-06 deg
node 81.42478863822041 5.5038e-05 deg
peri 312.3582760122655 5.7652e-05 deg
M 64.23613250003659 1.1438e-05 deg
tp 2458757.144541255364
(2019-Sep-30.64454126)
4.3884e-05 TDB
period 1363.84246277621
3.73
1.4793e-05
4.05e-08
d
yr
n .2639601052361952 2.863e-09 deg/d
Q 2.961291042151005 2.1413e-08 au
  Orbit Determination Parameters
   # obs. used (total)      210  
   data-arc span      15035 days (41.16 yr)  
   first obs. used      1978-11-29  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50488  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 10:37:15  

Additional Information
 Earth MOID = .863742 au 
 Jupiter MOID = 2.47771 au 
 T_jup = 3.480 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457702.5 (2016-Nov-10.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2302917990373183 5.147e-08  
q 1.852418470282225 1.1781e-07 au
tp 2457390.279600035406
(2016-Jan-02.77960004)
4.9326e-05 TDB
node 81.511670380841 5.5182e-05 deg
peri 311.7121042305069 5.7783e-05 deg
i 5.141032739663538 4.8499e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      210  
   data-arc span      15035 days (41.16 yr)  
   first obs. used      1978-11-29  
   last obs. used      2020-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50488  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 10:37:15  

Additional Information
 Jupiter MOID = 2.47771 au 
 T_jup = 3.480 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.64918632083255E-15 -6.034938074820033E-15 -4.726476086715002E-13 -1.924832642399582E-14 -7.62723084233936E-14 -7.575859872094277E-15
q -6.034938074820033E-15 1.387931830374444E-14 8.23075217322916E-13 4.740161046514564E-14 9.810033787673735E-14 1.679794910031315E-14
tp -4.726476086715002E-13 8.23075217322916E-13 2.433080880467485E-9 -3.137683894254806E-11 8.569545300503421E-10 6.39555621327011E-12
node -1.924832642399582E-14 4.740161046514564E-14 -3.137683894254806E-11 3.045037512292116E-9 -3.043865729536008E-9 -5.219512933767505E-11
peri -7.62723084233936E-14 9.810033787673735E-14 8.569545300503421E-10 -3.043865729536008E-9 3.338895393108517E-9 5.393448082952516E-11
i -7.575859872094277E-15 1.679794910031315E-14 6.39555621327011E-12 -5.219512933767505E-11 5.393448082952516E-11 2.352118029376904E-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 17.6   n/a MPO456092  

441653 (2008 WZ73)          Discovered 2008-Nov-19 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02

Alternate Designations
 2008 WZ73 = 1978 WE14 = 2011 OZ29 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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