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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1574849641740721 4.7334e-08  
a 3.158538360253927 2.5513e-08 au
q 2.661116059746905 1.5461e-07 au
i 21.63636322709668 5.9193e-06 deg
node 158.2970251861761 1.2762e-05 deg
peri 227.8559006158906 2.1094e-05 deg
M 142.5076350919477 1.754e-05 deg
tp 2457788.860279276967
(2017-Feb-04.36027928)
9.7879e-05 TDB
period 2050.348384995422
5.61
2.4843e-05
6.802e-08
d
yr
n .1755799173616067 2.1274e-09 deg/d
Q 3.655960660760949 2.9531e-08 au
  Orbit Determination Parameters
   # obs. used (total)      934  
   data-arc span      8467 days (23.18 yr)  
   first obs. used      1996-02-17  
   last obs. used      2019-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57301  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:40:57  

Additional Information
 Earth MOID = 1.70401 au 
 Jupiter MOID = 1.91914 au 
 T_jup = 3.078 
[ 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 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

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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