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11555 (1993 CR1)
Classification: Main-belt Asteroid          SPK-ID: 2011555
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1035253767270904 6.9357e-08  
a 2.671820233337989 1.8024e-08 AU
q 2.39521903713461 1.8638e-07 AU
i 13.66735881478572 7.4743e-06 deg
node 149.1150259991827 2.5281e-05 deg
peri 24.05528355409042 4.0254e-05 deg
M 343.3511997399579 2.954e-05 deg
tp 2457074.271687970875
(2015-Feb-20.77168797)
0.00013102 JED
period 1595.178466598293
4.37
1.6142e-05
4.419e-08
d
yr
n .2256800775199138 2.2837e-09 deg/d
Q 2.948421429541367 1.989e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      977  
   data-arc span      8077 days (22.11 yr)  
   first obs. used      1993-02-15  
   last obs. used      2015-03-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49346  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 16:41:36  

Additional Information
 Earth MOID = 1.40903 AU 
 T_jup = 3.333 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.4 mag n/a MPO286868  

11555 (1993 CR1)          Discovered 1993-Feb-15 by Ueda, S., Kaneda, H. at Kushiro
Reference: 19990928/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1993 CR1 = 1997 AP6 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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