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441804 (2009 FW73)
Classification: Main-belt Asteroid          SPK-ID: 2441804
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .327415436012089 6.968e-08  
a 3.047334843470769 5.2181e-08 au
q 2.049590377020956 2.2689e-07 au
i 11.61243286108173 1.2455e-05 deg
node 128.2945707778707 4.1241e-05 deg
peri 152.199233400962 4.6357e-05 deg
M 353.099642799606 1.5804e-05 deg
tp 2459037.743266531445
(2020-Jul-07.24326653)
8.5308e-05 TDB
period 1943.02636254175
5.32
4.9907e-05
1.366e-07
d
yr
n .1852779802375248 4.7589e-09 deg/d
Q 4.045079309920582 6.9265e-08 au
  Orbit Determination Parameters
   # obs. used (total)      179  
   data-arc span      4574 days (12.52 yr)  
   first obs. used      2008-01-11  
   last obs. used      2020-07-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53795  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 08:52:27  

Additional Information
 Earth MOID = 1.04098 au 
 Jupiter MOID = 1.21975 au 
 T_jup = 3.124 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457375.5 (2015-Dec-19.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3259762752127307 6.9789e-08  
q 2.054968128789257 2.2705e-07 au
tp 2457094.767603054440
(2015-Mar-13.26760305)
9.8773e-05 TDB
node 128.319811227534 4.1263e-05 deg
peri 152.1999699489618 4.6422e-05 deg
i 11.60533706521585 1.2449e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      179  
   data-arc span      4574 days (12.52 yr)  
   first obs. used      2008-01-11  
   last obs. used      2020-07-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53795  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 08:52:27  

Additional Information
 Jupiter MOID = 1.21975 au 
 T_jup = 3.124 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.870573583841846E-15 -1.567369239059208E-14 4.704578067659393E-12 -2.804811056112219E-14 9.773059583157415E-13 -2.925707787631502E-14
q -1.567369239059208E-14 5.155294244851166E-14 -1.606075654328599E-11 9.139271919341919E-14 -3.304481462513691E-12 9.871116455146548E-14
tp 4.704578067659393E-12 -1.606075654328599E-11 9.756084227037535E-9 3.274620350149855E-13 2.184890943332271E-9 -3.493389746443551E-11
node -2.804811056112219E-14 9.139271919341919E-14 3.274620350149855E-13 1.702669323811275E-9 -1.665736548586985E-9 3.44074945917424E-10
peri 9.773059583157415E-13 -3.304481462513691E-12 2.184890943332271E-9 -1.665736548586985E-9 2.154997319662329E-9 -3.443112484119275E-10
i -2.925707787631502E-14 9.871116455146548E-14 -3.493389746443551E-11 3.44074945917424E-10 -3.443112484119275E-10 1.549687626982676E-10

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.0   n/a MPO472458  

441804 (2009 FW73)          Discovered 2009-Mar-28 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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