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181347 (2006 RU22)
Classification: Main-belt Asteroid          SPK-ID: 2181347
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1375247433372088 4.7331e-08  
a 2.76166998049694 1.6314e-08 au
q 2.381872025247024 1.3288e-07 au
i 12.41074977641241 4.8562e-06 deg
node 343.1959604908425 2.1966e-05 deg
peri 87.89260800272244 3.8242e-05 deg
M 346.0420975139547 2.4969e-05 deg
tp 2459265.494073131256
(2021-Feb-19.99407313)
0.00011601 TDB
period 1676.31679263016
4.59
1.4854e-05
4.067e-08
d
yr
n .2147565433829223 1.903e-09 deg/d
Q 3.141467935746856 1.8558e-08 au
  Orbit Determination Parameters
   # obs. used (total)      612  
   data-arc span      8001 days (21.91 yr)  
   first obs. used      1999-03-13  
   last obs. used      2021-02-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53922  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:30:15  

Additional Information
 Earth MOID = 1.43441 au 
 Jupiter MOID = 2.19855 au 
 T_jup = 3.294 
[ 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 15.91   n/a MPCxxxxx  
diameter diameter 4.120 km 0.679 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.045   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

181347 (2006 RU22)          Discovered 2006-Sep-15 by Tucker, R. A. at Goodricke-Pigott
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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