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66559 (1999 RB135)
Classification: Main-belt Asteroid          SPK-ID: 2066559
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2093124006801174 5.2345e-08  
a 2.766160912718741 1.8183e-08 au
q 2.187169131410076 1.402e-07 au
i 10.21085683578927 5.1589e-06 deg
node 161.1164238494753 2.703e-05 deg
peri 188.8343712115824 2.9777e-05 deg
M 172.7255590081564 1.639e-05 deg
tp 2458194.251920127204
(2018-Mar-16.75192013)
7.2573e-05 TDB
period 1680.407407108176
4.60
1.6569e-05
4.536e-08
d
yr
n .2142337616920687 2.1124e-09 deg/d
Q 3.345152694027405 2.1989e-08 au
  Orbit Determination Parameters
   # obs. used (total)      681  
   data-arc span      10718 days (29.34 yr)  
   first obs. used      1990-09-28  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56797  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 14:59:07  

Additional Information
 Earth MOID = 1.18143 au 
 Jupiter MOID = 2.08719 au 
 T_jup = 3.284 
[ 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 MPO417285  
diameter diameter 6.669 km 0.251 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.044   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66559 (1999 RB135)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20030910/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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