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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .157472198731821 4.6459e-08  
a 3.158594376013423 2.3349e-08 au
q 2.661203574720625 1.5266e-07 au
i 21.63663832247011 4.4384e-06 deg
node 158.2962467559237 1.2315e-05 deg
peri 227.7343332319229 1.8408e-05 deg
M 212.904718420979 1.6596e-05 deg
tp 2459838.290544869076
(2022-Sep-15.79054487)
9.9581e-05 TDB
period 2050.402928735974
5.61
2.2735e-05
6.225e-08
d
yr
n .1755752466769699 1.9468e-09 deg/d
Q 3.655985177306221 2.7025e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1073  
   data-arc span      8930 days (24.45 yr)  
   first obs. used      1996-02-17  
   last obs. used      2020-07-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57191  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 05:24:06  

Additional Information
 Earth MOID = 1.70466 au 
 Jupiter MOID = 1.92195 au 
 T_jup = 3.078 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457280.5 (2015-Sep-15.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1576994606723794 4.6434e-08  
q 2.661631527947784 1.5269e-07 au
tp 2457790.327593927606
(2017-Feb-05.82759393)
8.8592e-05 TDB
node 158.3098493101213 1.2317e-05 deg
peri 228.2086755579762 1.8407e-05 deg
i 21.63352496281426 4.4377e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1073  
   data-arc span      8930 days (24.45 yr)  
   first obs. used      1996-02-17  
   last obs. used      2020-07-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57191  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 05:24:06  

Additional Information
 Jupiter MOID = 1.92195 au 
 T_jup = 3.078 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.156158691812109E-15 -7.033957596489579E-15 -9.362742553986228E-13 -3.534008232737595E-15 -8.678141738828745E-14 4.480600753197535E-15
q -7.033957596489579E-15 2.331533038964459E-14 3.628884235908834E-12 1.17813540527045E-14 3.548067934158911E-13 -1.219030223699225E-14
tp -9.362742553986228E-13 3.628884235908834E-12 7.848485832678036E-9 -8.752616720298706E-13 1.237365532417778E-9 9.234046387829643E-12
node -3.534008232737595E-15 1.17813540527045E-14 -8.752616720298706E-13 1.516979328864704E-10 -1.408927245153581E-10 6.203835771085662E-12
peri -8.678141738828745E-14 3.548067934158911E-13 1.237365532417778E-9 -1.408927245153581E-10 3.388121988842038E-10 -4.308670030715897E-12
i 4.480600753197535E-15 -1.219030223699225E-14 9.234046387829643E-12 6.203835771085662E-12 -4.308670030715897E-12 1.969285708727204E-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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