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109646 (2001 RW3)
Classification: Main-belt Asteroid          SPK-ID: 2109646
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2183078774079791 2.8702e-08  
a 2.642964452036435 1.4088e-08 au
q 2.065984492447619 7.4742e-08 au
i 11.96668872572731 4.9304e-06 deg
node 166.0341412661328 1.6028e-05 deg
peri 274.5882759163523 2.1646e-05 deg
M 55.10225962331685 1.1766e-05 deg
tp 2458760.283786126448
(2019-Oct-03.78378613)
5.1712e-05 TDB
period 1569.406365286063
4.30
1.2548e-05
3.435e-08
d
yr
n .2293860965285311 1.8341e-09 deg/d
Q 3.219944411625252 1.7164e-08 au
  Orbit Determination Parameters
   # obs. used (total)      795  
   data-arc span      6826 days (18.69 yr)  
   first obs. used      2001-08-16  
   last obs. used      2020-04-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52557  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 19:07:02  

Additional Information
 Earth MOID = 1.12165 au 
 Jupiter MOID = 2.1693 au 
 T_jup = 3.330 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.5   n/a MPO453557  
diameter diameter 4.492 km 0.143 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.061   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109646 (2001 RW3)          Discovered 2001-Sep-07 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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