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201272 (2002 RK201)
Classification: Main-belt Asteroid          SPK-ID: 2201272
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1153557676673788 7.2572e-08  
a 3.022516745125234 3.1086e-08 au
q 2.673852005703806 2.1129e-07 au
i 7.959902792004351 5.7531e-06 deg
node 116.427541820892 3.8899e-05 deg
peri 240.492185146326 4.5135e-05 deg
M 129.0767405211282 2.2688e-05 deg
tp 2458312.328014023748
(2018-Jul-12.82801402)
0.00012105 TDB
period 1919.338170077968
5.25
2.961e-05
8.107e-08
d
yr
n .1875646541147962 2.8936e-09 deg/d
Q 3.371181484546663 3.4672e-08 au
  Orbit Determination Parameters
   # obs. used (total)      487  
   data-arc span      7739 days (21.19 yr)  
   first obs. used      1998-12-14  
   last obs. used      2020-02-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56298  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 05:06:34  

Additional Information
 Earth MOID = 1.68006 au 
 Jupiter MOID = 2.07289 au 
 T_jup = 3.221 
[ 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 MPO454424  
diameter diameter 6.224 km 0.531 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.050   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

201272 (2002 RK201)          Discovered 2002-Sep-13 by LINEAR at Socorro
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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