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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .22658493228133 3.7419e-08  
a 3.136981543704565 2.3802e-08 au
q 2.426188793056484 1.238e-07 au
i 20.51344450086021 6.0498e-06 deg
node 341.4501420160913 1.1234e-05 deg
peri 256.3912670806002 1.7517e-05 deg
M 307.8023496139142 1.5125e-05 deg
tp 2459690.748884858866
(2022-Apr-21.24888486)
8.6802e-05 TDB
period 2029.39400079643
5.56
2.3097e-05
6.324e-08
d
yr
n .1773928571084368 2.0189e-09 deg/d
Q 3.847774294352646 2.9195e-08 au
  Orbit Determination Parameters
   # obs. used (total)      732  
   data-arc span      11166 days (30.57 yr)  
   first obs. used      1990-10-10  
   last obs. used      2021-05-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53252  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 00:20:27  

Additional Information
 Earth MOID = 1.51258 au 
 Jupiter MOID = 1.64778 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 14.62   n/a MPCxxxxx  
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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