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109806 (2001 RW101)
Classification: Main-belt Asteroid          SPK-ID: 2109806
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1881424233910738 3.7536e-08  
a 2.873198374898466 2.2462e-08 au
q 2.332627869761774 1.1261e-07 au
i 8.181035164853521 4.4358e-06 deg
node 135.8879408472175 4.318e-05 deg
peri 180.768470529246 4.6789e-05 deg
M 239.2849901500289 2.0206e-05 deg
tp 2459196.993366665081
(2020-Dec-13.49336667)
0.00010388 TDB
period 1778.880789276436
4.87
2.0861e-05
5.711e-08
d
yr
n .2023744380006661 2.3732e-09 deg/d
Q 3.413768880035159 2.6688e-08 au
  Orbit Determination Parameters
   # obs. used (total)      405  
   data-arc span      8299 days (22.72 yr)  
   first obs. used      1996-07-21  
   last obs. used      2019-04-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57153  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 10:02:22  

Additional Information
 Earth MOID = 1.3183 au 
 Jupiter MOID = 1.89592 au 
 T_jup = 3.256 
[ 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 15.5   n/a MPO432619  
diameter diameter 4.976 km 0.240 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.041   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109806 (2001 RW101)          Discovered 2001-Sep-12 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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