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226138 (2002 RK123)
Classification: Main-belt Asteroid          SPK-ID: 2226138
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .212837514935027 4.2607e-08  
a 2.270774245450871 7.6049e-09 au
q 1.787468298070647 9.732e-08 au
i 6.46724445457743 4.4238e-06 deg
node 124.1893778230309 4.0228e-05 deg
peri 211.1548323923079 4.1725e-05 deg
M 77.05597923969792 9.4672e-06 deg
tp 2458732.975716310201
(2019-Sep-06.47571631)
3.2915e-05 TDB
period 1249.854236862532
3.42
6.2787e-06
1.719e-08
d
yr
n .2880335877435566 1.447e-09 deg/d
Q 2.754080192831096 9.2235e-09 au
  Orbit Determination Parameters
   # obs. used (total)      385  
   data-arc span      6283 days (17.20 yr)  
   first obs. used      2002-08-19  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56775  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 00:49:44  

Additional Information
 Earth MOID = .780847 au 
 Jupiter MOID = 2.62183 au 
 T_jup = 3.574 
[ 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 16.7   n/a MPO437072  
diameter diameter 1.852 km 0.564 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.118   0.063 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

226138 (2002 RK123)          Discovered 2002-Sep-08 by NEAT at Haleakala
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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