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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05745612751483445 5.4972e-08  
a 3.01265341140316 2.712e-08 au
q 2.839558012839579 1.7601e-07 au
i 11.38030318849927 6.0005e-06 deg
node 120.0667577281818 3.1304e-05 deg
peri 340.1942027259828 6.6909e-05 deg
M 314.6704212995753 6.0565e-05 deg
tp 2457640.992405273913
(2016-Sep-09.49240527)
0.00032219 JED
period 1909.95081756181
5.23
2.579e-05
7.061e-08
d
yr
n .1884865289146901 2.5452e-09 deg/d
Q 3.185748809966741 2.8678e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1012  
   data-arc span      22126 days (60.58 yr)  
   first obs. used      1955-05-16  
   last obs. used      2015-12-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50756  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:02:49  

Additional Information
 Earth MOID = 1.85868 au 
 Jupiter MOID = 1.92368 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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