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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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1158066159656615 4.81e-08  
a 2.728039045420867 1.7586e-08 au
q 2.412114075348482 1.3289e-07 au
i 14.89865181613899 6.2665e-06 deg
node 356.0008171434324 1.7944e-05 deg
peri 28.77811265339139 3.2248e-05 deg
M 179.8968749151121 2.5597e-05 deg
tp 2458178.076676786627
(2018-Feb-28.57667679)
0.00011608 TDB
period 1645.789547464467
4.51
1.5914e-05
4.357e-08
d
yr
n .2187399965898571 2.1151e-09 deg/d
Q 3.043964015493251 1.9622e-08 au
  Orbit Determination Parameters
   # obs. used (total)      741  
   data-arc span      7172 days (19.64 yr)  
   first obs. used      1999-08-12  
   last obs. used      2019-04-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57608  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 08:16:10  

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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