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109861 (2001 RC140)
Classification: Main-belt Asteroid          SPK-ID: 2109861
[ 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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1834205426414207 4.273e-08  
a 2.474931959255139 1.5713e-08 au
q 2.020978596287967 1.0245e-07 au
i 3.613677671841116 5.5756e-06 deg
node 56.70380016279443 7.1506e-05 deg
peri 260.373339901734 7.4546e-05 deg
M 215.2238546306843 2.5953e-05 deg
tp 2459172.423354455903
(2020-Nov-18.92335446)		 0.00010601 TDB
period 1422.143178898052
3.89		 1.3543e-05
3.708e-08		 d
yr
n .2531390687954121 2.4107e-09 deg/d
Q 2.92888532222231 1.8595e-08 au
   Orbit Determination Parameters
   # obs. used (total)      542  
   data-arc span      6942 days (19.01 yr)  
   first obs. used      2000-03-03  
   last obs. used      2019-03-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59707  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:44:09  

Additional Information
 Earth MOID = 1.01058 au 
 Jupiter MOID = 2.36877 au 
 T_jup = 3.456 
[ 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 16.1   n/a MPO432620  
diameter diameter 3.294 km 0.293 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.059   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109861 (2001 RC140)          Discovered 2001-Sep-12 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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