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109741 (2001 RA64)
Classification: Main-belt Asteroid          SPK-ID: 2109741
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2271327786238639 4.0728e-08  
a 3.136773275732087 2.8493e-08 au
q 2.424309245701978 1.2948e-07 au
i 20.51032767060165 6.6832e-06 deg
node 341.4802609702456 1.2681e-05 deg
peri 256.3011009398523 1.8926e-05 deg
M 166.7336774157833 1.4513e-05 deg
tp 2457660.681588282244
(2016-Sep-29.18158828)
7.9365e-05 TDB
period 2029.191903293106
5.56
2.7649e-05
7.57e-08
d
yr
n .1774105245619049 2.4173e-09 deg/d
Q 3.849237305762196 3.4965e-08 au
  Orbit Determination Parameters
   # obs. used (total)      496  
   data-arc span      10612 days (29.05 yr)  
   first obs. used      1990-10-10  
   last obs. used      2019-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58473  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 12:53:40  

Additional Information
 Earth MOID = 1.51026 au 
 Jupiter MOID = 1.64953 au 
 T_jup = 3.075 
[ 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 14.5   n/a MPO432619  
diameter diameter 7.372 km 0.190 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.043   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109741 (2001 RA64)          Discovered 2001-Sep-10 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2001 RA64 = 1999 CL41 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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