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35721 (1999 FW39)
Classification: Main-belt Asteroid          SPK-ID: 2035721
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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1370593312169129 4.5435e-08  
a 2.265552059472647 9.0549e-09 au
q 1.955037009364226 1.0389e-07 au
i 6.209682112550834 4.9214e-06 deg
node 342.7201292035901 2.8981e-05 deg
peri 21.31542990778157 3.1442e-05 deg
M 237.0680140470163 1.3369e-05 deg
tp 2459425.825962034655
(2021-Jul-30.32596203)
4.7611e-05 TDB
period 1245.545210593414
3.41
7.4673e-06
2.044e-08
d
yr
n .2890300544196911 1.7328e-09 deg/d
Q 2.576067109581068 1.0296e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1213  
   data-arc span      11826 days (32.38 yr)  
   first obs. used      1987-12-12  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51618  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 08:08:16  

Additional Information
 Earth MOID = .953675 au 
 Jupiter MOID = 2.87574 au 
 T_jup = 3.596 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456922.5 (2014-Sep-22.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1364343438791841 4.5413e-08  
q 1.956737085792996 1.0379e-07 au
tp 2456932.797804085454
(2014-Oct-02.29780409)
4.1603e-05 TDB
node 342.7538888791416 2.8956e-05 deg
peri 20.92230666814388 3.145e-05 deg
i 6.212808295074396 4.9216e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1213  
   data-arc span      11826 days (32.38 yr)  
   first obs. used      1987-12-12  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51618  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 08:08:16  

Additional Information
 Jupiter MOID = 2.87574 au 
 T_jup = 3.596 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.062363117474041E-15 -4.699807164922423E-15 -3.390848275529924E-13 7.083466906008896E-15 -1.357653158106885E-13 9.289987208064075E-16
q -4.699807164922423E-15 1.077172274263744E-14 8.582022812864903E-13 -1.62499550102657E-14 3.335734205890388E-13 -1.957755199307795E-15
tp -3.390848275529924E-13 8.582022812864903E-13 1.730796470313852E-9 -1.072807168855521E-11 5.155419419604098E-10 -3.79729638318159E-13
node 7.083466906008896E-15 -1.62499550102657E-14 -1.072807168855521E-11 8.384682582890835E-10 -8.363083749582617E-10 2.0799316778807E-11
peri -1.357653158106885E-13 3.335734205890388E-13 5.155419419604098E-10 -8.363083749582617E-10 9.891127341868591E-10 -2.078622586098478E-11
i 9.289987208064075E-16 -1.957755199307795E-15 -3.79729638318159E-13 2.0799316778807E-11 -2.078622586098478E-11 2.422206613473589E-11

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 15.0   n/a MPO412439  

35721 (1999 FW39)          Discovered 1999-Mar-20 by LINEAR at Socorro
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 FW39 = 1987 XK1 = 1990 RH10 = 2001 XK25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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