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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2267104752711165 3.7458e-08  
a 3.137330925315519 2.3802e-08 au
q 2.426065140154466 1.2387e-07 au
i 20.51200423862841 6.0505e-06 deg
node 341.4517726613632 1.1279e-05 deg
peri 256.3737496837308 1.7531e-05 deg
M 273.0662247605519 1.4947e-05 deg
tp 2459690.645434529085
(2022-Apr-21.14543453)
8.6779e-05 TDB
period 2029.733046154443
5.56
2.3098e-05
6.324e-08
d
yr
n .1773632255148333 2.0184e-09 deg/d
Q 3.848596710476571 2.9198e-08 au
  Orbit Determination Parameters
   # obs. used (total)      716  
   data-arc span      11119 days (30.44 yr)  
   first obs. used      1990-10-10  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53784  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 08:46:34  

Additional Information
 Earth MOID = 1.511 au 
 Jupiter MOID = 1.64796 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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