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201277 (2002 RC239)
Classification: Main-belt Asteroid          SPK-ID: 2201277
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09886523236469183 5.8639e-08  
a 3.022572062624622 2.9324e-08 au
q 2.723744773314213 1.7738e-07 au
i 10.84632664692437 8.3858e-06 deg
node 175.75851875988 3.0272e-05 deg
peri 141.4966566201511 5.1479e-05 deg
M 79.62702390335197 4.133e-05 deg
tp 2458175.957272234711
(2018-Feb-26.45727223)
0.00021934 TDB
period 1919.390861336341
5.26
2.7932e-05
7.647e-08
d
yr
n .1875595050761868 2.7295e-09 deg/d
Q 3.321399351935032 3.2223e-08 au
  Orbit Determination Parameters
   # obs. used (total)      253  
   data-arc span      9607 days (26.30 yr)  
   first obs. used      1992-10-02  
   last obs. used      2019-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57977  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 17:00:46  

Additional Information
 Earth MOID = 1.72018 au 
 Jupiter MOID = 2.05819 au 
 T_jup = 3.211 
[ 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 15.6   n/a MPO459898  
diameter diameter 5.405 km 0.300 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.050   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

201277 (2002 RC239)          Discovered 2002-Sep-14 by Matson, R. at Palomar
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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