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8559 (1995 QM2)
Classification: Main-belt Asteroid          SPK-ID: 2008559
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09927743315093204 5.5303e-08  
a 2.769653302787247 2.259e-08 AU
q 2.494689232168528 1.4944e-07 AU
i 4.570599128017769 5.5856e-06 deg
node 109.1568996815604 7.5031e-05 deg
peri 215.5744551546453 8.186e-05 deg
M 77.21450434058518 3.2628e-05 deg
tp 2456639.395477870953
(2013-Dec-12.89547787)
0.00015308 JED
period 1683.590784874442
4.61
2.0597e-05
5.639e-08
d
yr
n .2138286828570684 2.616e-09 deg/d
Q 3.044617373405966 2.4832e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1149  
   data-arc span      9452 days (25.88 yr)  
   first obs. used      1989-03-07  
   last obs. used      2015-01-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5338  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Feb-04 13:23:37  

Additional Information
 Earth MOID = 1.48486 AU 
 T_jup = 3.326 
[ 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 13.1 mag n/a PDS3 (MPC 31509)  

8559 (1995 QM2)          Discovered 1995-Aug-25 by Shimizu, Y., Urata, T. at Nachi-Katsuura (905)
Reference: 19980313/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1995 QM2 = 1989 GB8 = 1993 BK6 = 1993 DF3 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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