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109864 (2001 RD143)
Classification: Main-belt Asteroid          SPK-ID: 2109864
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1020070654515887 4.484e-08  
a 2.645720710155731 1.7654e-08 au
q 2.375838504508252 1.2008e-07 au
i 13.91431126446793 6.5524e-06 deg
node 331.0209425418469 1.8839e-05 deg
peri 307.9049337543472 3.7049e-05 deg
M 101.444571616369 3.2426e-05 deg
tp 2458157.564250265822
(2018-Feb-08.06425027)
0.00014178 TDB
period 1571.862026361736
4.30
1.5733e-05
4.307e-08
d
yr
n .2290277352353014 2.2924e-09 deg/d
Q 2.915602915803211 1.9455e-08 au
  Orbit Determination Parameters
   # obs. used (total)      511  
   data-arc span      6652 days (18.21 yr)  
   first obs. used      2001-07-24  
   last obs. used      2019-10-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58084  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 12:54:22  

Additional Information
 Earth MOID = 1.38504 au 
 Jupiter MOID = 2.37811 au 
 T_jup = 3.344 
[ 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 15.3   n/a MPO453560  
diameter diameter 2.878 km 0.401 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.162   0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

109864 (2001 RD143)          Discovered 2001-Sep-15 by NEAT at Palomar
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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