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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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1201389437639174 8.4489e-08  
a 2.640027878860085 2.4973e-08 AU
q 2.32285771798654 2.2193e-07 AU
i 12.57446380701449 1.0973e-05 deg
node 352.9245021181239 2.9225e-05 deg
peri 228.6719795834472 5.1132e-05 deg
M 308.9932401170942 4.625e-05 deg
tp 2457222.491544247136
(2015-Jul-18.99154425)
0.00020226 JED
period 1566.791462787112
4.29
2.2231e-05
6.087e-08
d
yr
n .229768931316238 3.2602e-09 deg/d
Q 2.957198039733631 2.7973e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      989  
   data-arc span      9932 days (27.19 yr)  
   first obs. used      1987-11-14  
   last obs. used      2015-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .44888  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 13:52:36  

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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