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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .183644622668247 4.2709e-08  
a 2.475685950168841 1.5367e-08 au
q 2.021039538005004 1.0267e-07 au
i 3.613236300122342 5.5748e-06 deg
node 56.70245453827397 7.1516e-05 deg
peri 260.278034505379 7.4557e-05 deg
M 316.5861507988705 2.6565e-05 deg
tp 2459172.080349246684
(2020-Nov-18.58034925)
0.00010602 TDB
period 1422.793114764846
3.90
1.3248e-05
3.627e-08
d
yr
n .2530234341621055 2.3559e-09 deg/d
Q 2.930332362332678 1.8189e-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 = 1.01147 au 
 Jupiter MOID = 2.3694 au 
 T_jup = 3.455 
[ 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 16.2   n/a MPO469125  
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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