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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2268610177084025 4.0693e-08  
a 3.13726529754778 2.8558e-08 au
q 2.425542099324837 1.2945e-07 au
i 20.51038254057433 6.6394e-06 deg
node 341.4579571069826 1.2678e-05 deg
peri 256.3629945600316 1.8877e-05 deg
M 237.615989377242 1.4786e-05 deg
tp 2459690.497434255852
(2022-Apr-20.99743426)
8.691e-05 TDB
period 2029.669358506179
5.56
2.7713e-05
7.587e-08
d
yr
n .1773687908778192 2.4218e-09 deg/d
Q 3.848988495770724 3.5037e-08 au
  Orbit Determination Parameters
   # obs. used (total)      500  
   data-arc span      10692 days (29.27 yr)  
   first obs. used      1990-10-10  
   last obs. used      2020-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57565  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:31:57  

Additional Information
 Earth MOID = 1.51148 au 
 Jupiter MOID = 1.64873 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 14.6   n/a MPO493619  
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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