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109759 (2001 RJ72)
Classification: Main-belt Asteroid          SPK-ID: 2109759
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1888907272728225 5.2747e-08  
a 3.163786130415691 1.8832e-08 au
q 2.566176267305802 1.6674e-07 au
i 4.298740811791961 4.8212e-06 deg
node 248.6876471781587 6.5754e-05 deg
peri 141.2760601994561 6.7283e-05 deg
M 103.9604326869643 1.2779e-05 deg
tp 2458406.926257340468
(2018-Oct-15.42625734)
7.1499e-05 TDB
period 2055.460350005121
5.63
1.8352e-05
5.025e-08
d
yr
n .1751432471072006 1.5638e-09 deg/d
Q 3.761395993525579 2.2389e-08 au
  Orbit Determination Parameters
   # obs. used (total)      692  
   data-arc span      10639 days (29.13 yr)  
   first obs. used      1990-12-19  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55072  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:32:17  

Additional Information
 Earth MOID = 1.57351 au 
 Jupiter MOID = 1.70125 au 
 T_jup = 3.172 
[ 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 14.7   n/a MPO333682  
diameter diameter 7.802 km 0.608 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.050   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109759 (2001 RJ72)          Discovered 2001-Sep-10 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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