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7155 (1979 YN)
Classification: Main-belt Asteroid          SPK-ID: 2007155
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0573292099830291 5.4294e-08  
a 3.01214337298441 2.657e-08 au
q 2.839459573055597 1.7467e-07 au
i 11.38074422206241 5.6819e-06 deg
node 120.0638173643909 3.0873e-05 deg
peri 340.3084038435288 6.5477e-05 deg
M 352.2652607475713 5.8898e-05 deg
tp 2457641.525611526232
(2016-Sep-10.02561153)
0.00031252 JED
period 1909.465809698223
5.23
2.5265e-05
6.917e-08
d
yr
n .1885344048432558 2.4945e-09 deg/d
Q 3.184827172913224 2.8093e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1051  
   data-arc span      22210 days (60.81 yr)  
   first obs. used      1955-05-16  
   last obs. used      2016-03-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51042  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Mar-24 15:55:24  

Additional Information
 Earth MOID = 1.85719 au 
 Jupiter MOID = 1.92335 au 
 T_jup = 3.217 
[ 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 13.0 mag n/a MPO358701  

7155 (1979 YN)          Discovered 1979-Dec-23 by Debehogne, H., Netto, E. R. at La Silla
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1979 YN = 1991 CQ1 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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