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181359 (2006 RH55)
Classification: Main-belt Asteroid          SPK-ID: 2181359
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06108759535307833 5.7889e-08  
a 2.763567556553006 1.6581e-08 au
q 2.5947478599274 1.6215e-07 au
i 5.250524818771223 6.5853e-06 deg
node 29.82056660184466 4.5198e-05 deg
peri 25.23682142466726 6.8869e-05 deg
M .1961808991607389 4.789e-05 deg
tp 2459199.585554609349
(2020-Dec-16.08555461)
0.00022323 TDB
period 1678.044814977022
4.59
1.5102e-05
4.135e-08
d
yr
n .2145353907040496 1.9308e-09 deg/d
Q 2.932387253178611 1.7594e-08 au
  Orbit Determination Parameters
   # obs. used (total)      383  
   data-arc span      6609 days (18.09 yr)  
   first obs. used      2002-12-11  
   last obs. used      2021-01-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57701  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:30:18  

Additional Information
 Earth MOID = 1.60594 au 
 Jupiter MOID = 2.28572 au 
 T_jup = 3.332 
[ 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 15.96   n/a MPCxxxxx  
diameter diameter 4.345 km 0.971 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.045   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

181359 (2006 RH55)          Discovered 2006-Sep-14 by Spacewatch at Kitt Peak
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

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