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154843 (2004 RK43)
Classification: Main-belt Asteroid          SPK-ID: 2154843
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1269630990192902 5.1792e-08  
a 3.157712609123812 4.1856e-08 au
q 2.756799630457164 1.7383e-07 au
i 15.3232323390667 1.1921e-05 deg
node 336.0291386221447 2.0128e-05 deg
peri 63.81217287290901 5.2694e-05 deg
M 248.1457951570179 4.9061e-05 deg
tp 2459637.305994418794
(2022-Feb-26.80599442)
0.00028554 TDB
period 2049.544389614865
5.61
4.0751e-05
1.116e-07
d
yr
n .17564879386079 3.4924e-09 deg/d
Q 3.55862558779046 4.7171e-08 au
  Orbit Determination Parameters
   # obs. used (total)      330  
   data-arc span      6735 days (18.44 yr)  
   first obs. used      1999-10-14  
   last obs. used      2018-03-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52167  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 05:59:35  

Additional Information
 Earth MOID = 1.80199 au 
 Jupiter MOID = 2.01345 au 
 T_jup = 3.138 
[ 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 15.0   n/a MPO475337  
diameter diameter 3.225 km 0.951 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.245   0.114 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

154843 (2004 RK43)          Discovered 2004-Sep-08 by LINEAR at Socorro
Reference: 20070402/Numbers.arcLast Updated: 2007-04-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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