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JPL Small-Body Database Browser
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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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1370593647975155 5.9804e-08  
a 2.265552063084631 9.9211e-09 au
q 1.955036936402551 1.3398e-07 au
i 6.209688825738585 5.8508e-06 deg
node 342.7201181196012 2.9484e-05 deg
peri 21.31543418679669 3.2791e-05 deg
M 237.0680173500523 1.385e-05 deg
tp 2459425.825951623802
(2021-Jul-30.32595162)
4.8952e-05 TDB
period 1245.545213572085
3.41
8.1815e-06
2.24e-08
d
yr
n .2890300537284874 1.8985e-09 deg/d
Q 2.576067189766712 1.1281e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1143  
   data-arc span      11737 days (32.13 yr)  
   first obs. used      1987-12-12  
   last obs. used      2020-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51942  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 03:55:14  

Additional Information
 Earth MOID = .953675 au 
 Jupiter MOID = 2.87574 au 
 T_jup = 3.596 
[ show covariance matrix ]

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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