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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05759634303589812 6.9871e-08  
a 3.013928282079712 3.2818e-08 AU
q 2.840337034859453 2.0912e-07 AU
i 11.38059502180405 7.5966e-06 deg
node 120.0721842587385 4.0458e-05 deg
peri 339.7343616096263 8.7405e-05 deg
M 202.1001885593217 7.8256e-05 deg
tp 2457638.756458591884
(2016-Sep-07.25645859)
0.00041882 JED
period 1911.163302474566
5.23
3.1215e-05
8.546e-08
d
yr
n .18836694882843 3.0766e-09 deg/d
Q 3.18751952929997 3.4708e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      779  
   data-arc span      21592 days (59.12 yr)  
   first obs. used      1955-05-16  
   last obs. used      2014-06-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53379  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:16:19  

Additional Information
 Earth MOID = 1.8594 AU 
 T_jup = 3.216 
[ 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 12.8 mag n/a PDS3 (MPC 27894)  

7155 (1979 YN)          Discovered 1979-Dec-23 by Debehogne, H., Netto, E. R. at La Silla (809)
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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