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18845 Cichocki (1999 RY27)
Classification: Main-belt Asteroid          SPK-ID: 2018845
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1201389394055869 8.4254e-08  
a 2.640027876468888 2.0256e-08 AU
q 2.322857727388732 2.2004e-07 AU
i 12.57446599901134 1.0914e-05 deg
node 352.9244794062455 2.6812e-05 deg
peri 228.6720001203126 4.6744e-05 deg
M 308.993242544112 3.9198e-05 deg
tp 2457222.491533382671
(2015-Jul-18.99153338)
0.00017058 JED
period 1566.791460658437
4.29
1.8033e-05
4.937e-08
d
yr
n .2297689316284068 2.6445e-09 deg/d
Q 2.957198025549044 2.269e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1007  
   data-arc span      9967 days (27.29 yr)  
   first obs. used      1987-11-14  
   last obs. used      2015-02-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .45566  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 14:55:29  

Additional Information
 Earth MOID = 1.33868 AU 
 T_jup = 3.351 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.9 mag n/a MPO253495  

18845 Cichocki           Discovered 1999 Sept. 7 by H. Mikuž at Črni Vrh Observatory.
Bruno Cichocki (1908-2001) was a civil engineer with a vivid interest in astronomy.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20050919/MPCPages.arcLast Updated: 2005-09-26

Alternate Designations
 1999 RY27 = 1987 VN = 1998 FU114 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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