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91459 (1999 RE69)
Classification: Main-belt Asteroid          SPK-ID: 2091459
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .115806658022021 4.6652e-08  
a 2.72803905151089 1.6754e-08 au
q 2.412113966001849 1.3007e-07 au
i 14.89865200235744 5.8421e-06 deg
node 356.0008263317297 1.5064e-05 deg
peri 28.77809560223988 2.5952e-05 deg
M 179.8968791578087 2.1944e-05 deg
tp 2458178.076654636612
(2018-Feb-28.57665464)
9.7703e-05 TDB
period 1645.789552975511
4.51
1.5161e-05
4.151e-08
d
yr
n .2187399958573905 2.0151e-09 deg/d
Q 3.04396413701993 1.8694e-08 au
  Orbit Determination Parameters
   # obs. used (total)      790  
   data-arc span      7564 days (20.71 yr)  
   first obs. used      1999-08-12  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56145  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 16:41:12  

Additional Information
 Earth MOID = 1.42289 au 
 Jupiter MOID = 2.45256 au 
 T_jup = 3.297 
[ 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 MPO337940  
diameter diameter 2.826 km 0.823 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.292   0.248 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91459 (1999 RE69)          Discovered 1999-Sep-07 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Alternate Designations
 1999 RE69 = 2000 XS37 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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