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59878 (1999 RF117)
Classification: Main-belt Asteroid          SPK-ID: 2059878
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1236641622404709 4.5285e-08  
a 2.380158898394189 1.1378e-08 au
q 2.085818542225069 1.0655e-07 au
i 6.171121674151096 4.6479e-06 deg
node 187.9637729084974 3.6518e-05 deg
peri 166.1546970323626 3.9806e-05 deg
M 212.26909878365 1.7631e-05 deg
tp 2459550.897180277186
(2021-Dec-02.39718028)
6.761e-05 TDB
period 1341.242646381809
3.67
9.6177e-06
2.633e-08
d
yr
n .2684078089607057 1.9247e-09 deg/d
Q 2.674499254563308 1.2785e-08 au
  Orbit Determination Parameters
   # obs. used (total)      675  
   data-arc span      10488 days (28.71 yr)  
   first obs. used      1991-05-18  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56319  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 12:56:13  

Additional Information
 Earth MOID = 1.08168 au 
 Jupiter MOID = 2.76153 au 
 T_jup = 3.521 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.7   n/a MPO417239  
diameter diameter 2.009 km 0.382 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.252   0.114 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

59878 (1999 RF117)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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