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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3270360342523539 1.0531e-07  
a 3.045992017051242 1.0154e-07 au
q 2.049842867430475 2.9064e-07 au
i 11.61188119943777 1.6022e-05 deg
node 128.2977635151703 5.3884e-05 deg
peri 152.2146823390545 6.2664e-05 deg
M 278.9165154456448 3.7084e-05 deg
tp 2459037.842286804484
(2020-Jul-07.34228680)
0.00021689 TDB
period 1941.742194664444
5.32
9.7098e-05
2.658e-07
d
yr
n .1854005135126665 9.2711e-09 deg/d
Q 4.042141166672009 1.3475e-07 au
  Orbit Determination Parameters
   # obs. used (total)      124  
   data-arc span      4100 days (11.23 yr)  
   first obs. used      2008-01-11  
   last obs. used      2019-04-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61352  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:32:27  

Additional Information
 Earth MOID = 1.04062 au 
 Jupiter MOID = 1.22056 au 
 T_jup = 3.125 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457284.5 (2015-Sep-19.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3259668089920003 1.0532e-07  
q 2.055104186440813 2.9074e-07 au
tp 2457094.789807845475
(2015-Mar-13.28980785)
0.00015298 TDB
node 128.3203498124043 5.3902e-05 deg
peri 152.2108394326923 6.2735e-05 deg
i 11.6054093305449 1.6015e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      124  
   data-arc span      4100 days (11.23 yr)  
   first obs. used      2008-01-11  
   last obs. used      2019-04-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61352  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:32:27  

Additional Information
 Jupiter MOID = 1.22056 au 
 T_jup = 3.125 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.109182977860562E-14 -2.999606115892526E-14 1.391909055439736E-11 5.378825266409763E-14 2.940506809867045E-12 -2.443890104665185E-14
q -2.999606115892526E-14 8.452714030450276E-14 -3.727084084035548E-11 -1.362419750225562E-13 -7.784725937246743E-12 7.606643559139773E-14
tp 1.391909055439736E-11 -3.727084084035548E-11 2.340347981226067E-8 1.057721756775108E-10 5.107911725595975E-9 -3.248321013237808E-11
node 5.378825266409763E-14 -1.362419750225562E-13 1.057721756775108E-10 2.905449700199644E-9 -2.82120607064513E-9 6.932943890386029E-10
peri 2.940506809867045E-12 -7.784725937246743E-12 5.107911725595975E-9 -2.82120607064513E-9 3.935674349318629E-9 -6.860451515957697E-10
i -2.443890104665185E-14 7.606643559139773E-14 -3.248321013237808E-11 6.932943890386029E-10 -6.860451515957697E-10 2.564891423340771E-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 16.1   n/a MPO397574  

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

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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