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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1158066517639949 4.7902e-08  
a 2.728039048973482 1.744e-08 au
q 2.41211398083043 1.3253e-07 au
i 14.89865459081839 6.2449e-06 deg
node 356.000815585211 1.7563e-05 deg
peri 28.77811438435787 3.129e-05 deg
M 179.8968724236234 2.5e-05 deg
tp 2458178.076686570298
(2018-Feb-28.57668657)
0.00011309 TDB
period 1645.789550679335
4.51
1.5782e-05
4.321e-08
d
yr
n .2187399961625726 2.0976e-09 deg/d
Q 3.043964117116534 1.946e-08 au
  Orbit Determination Parameters
   # obs. used (total)      748  
   data-arc span      7475 days (20.47 yr)  
   first obs. used      1999-08-12  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57017  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 22:30:18  

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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