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66589 (1999 RE168)
Classification: Main-belt Asteroid          SPK-ID: 2066589
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1782954451650706 3.8358e-08  
a 2.433103122881662 8.7452e-09 au
q 1.999291918454953 9.4574e-08 au
i 2.527993855609807 4.2482e-06 deg
node 4.594456327832645 8.7968e-05 deg
peri 358.8661291111266 8.8728e-05 deg
M 154.3823251873089 1.1179e-05 deg
tp 2458406.024065891949
(2018-Oct-14.52406589)
4.2477e-05 TDB
period 1386.24247315386
3.80
7.4738e-06
2.046e-08
d
yr
n .2596948275441012 1.4001e-09 deg/d
Q 2.866914327308372 1.0304e-08 au
  Orbit Determination Parameters
   # obs. used (total)      927  
   data-arc span      7479 days (20.48 yr)  
   first obs. used      1999-07-16  
   last obs. used      2020-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53124  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 10:50:47  

Additional Information
 Earth MOID = .996949 au 
 Jupiter MOID = 2.58951 au 
 T_jup = 3.483 
[ 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 15.6   n/a MPO359206  
diameter diameter 4.437 km 0.963 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.043   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

66589 (1999 RE168)          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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