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109660 (2001 RF15)
Classification: Main-belt Asteroid          SPK-ID: 2109660
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06782428196589345 4.2004e-08  
a 3.03429356678343 2.5231e-08 au
q 2.828494784342614 1.3685e-07 au
i 9.950670997991516 4.4358e-06 deg
node 261.6061020564873 3.7592e-05 deg
peri 358.459844695661 6.4984e-05 deg
M 285.347193502122 5.5206e-05 deg
tp 2459400.839516021454
(2021-Jul-05.33951602)
0.00029702 TDB
period 1930.566746634235
5.29
2.4079e-05
6.592e-08
d
yr
n .1864737391896068 2.3258e-09 deg/d
Q 3.240092349224246 2.6942e-08 au
  Orbit Determination Parameters
   # obs. used (total)      606  
   data-arc span      6832 days (18.70 yr)  
   first obs. used      2001-08-13  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61133  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 19:07:02  

Additional Information
 Earth MOID = 1.8131 au 
 Jupiter MOID = 1.82976 au 
 T_jup = 3.216 
[ 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 14.5   n/a MPO436526  
diameter diameter 4.654 km 0.182 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.142   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109660 (2001 RF15)          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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