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59891 (1999 RF135)
Classification: Main-belt Asteroid          SPK-ID: 2059891
[ 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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1574722039382981 4.6789e-08  
a 3.158594381018191 2.4138e-08 au
q 2.661203562492132 1.5317e-07 au
i 21.63663617006827 5.2585e-06 deg
node 158.2962477063637 1.2413e-05 deg
peri 227.7343268482167 1.9564e-05 deg
M 212.9047220952916 1.7134e-05 deg
tp 2459838.290525933003
(2022-Sep-15.79052593)		 0.00010194 TDB
period 2050.402933609245
5.61		 2.3504e-05
6.435e-08		 d
yr
n .1755752462596734 2.0126e-09 deg/d
Q 3.65598519954425 2.7939e-08 au
   Orbit Determination Parameters
   # obs. used (total)      973  
   data-arc span      8838 days (24.20 yr)  
   first obs. used      1996-02-17  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58005  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 11:50:44  

Additional Information
 Earth MOID = 1.70466 au 
 Jupiter MOID = 1.92195 au 
 T_jup = 3.078 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456906.5 (2014-Sep-06.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1579582094191075 4.6727e-08  
q 2.659829027237281 1.5302e-07 au
tp 2457790.556480701583
(2017-Feb-06.05648070)		 9.2748e-05 TDB
node 158.3178028389262 1.2418e-05 deg
peri 228.3090546964599 1.955e-05 deg
i 21.63374830940607 5.2577e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      973  
   data-arc span      8838 days (24.20 yr)  
   first obs. used      1996-02-17  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58005  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 11:50:44  

Additional Information
 Jupiter MOID = 1.92195 au 
 T_jup = 3.078 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.183416445317026E-15 -7.088667392120291E-15 -1.081030691905144E-12 -2.324869586428927E-15 -1.217935789516792E-13 1.774117500740063E-15
q -7.088667392120291E-15 2.341611225691653E-14 3.936332217154234E-12 7.824053246844038E-15 4.309536557834666E-13 -3.538709635533333E-15
tp -1.081030691905144E-12 3.936332217154234E-12 8.602179000470364E-9 -5.21220221105093E-13 1.414369312697439E-9 1.133459622247884E-11
node -2.324869586428927E-15 7.824053246844038E-15 -5.21220221105093E-13 1.541956985534901E-10 -1.43054494919841E-10 1.947971972464228E-12
peri -1.217935789516792E-13 4.309536557834666E-13 1.414369312697439E-9 -1.43054494919841E-10 3.822160131842627E-10 -3.856606491355708E-14
i 1.774117500740063E-15 -3.538709635533333E-15 1.133459622247884E-11 1.947971972464228E-12 -3.856606491355708E-14 2.764294016746162E-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 13.8   n/a MPO474479  
diameter diameter 8.825 km 0.184 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.082   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

59891 (1999 RF135)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

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