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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09795042095940998 5.4158e-08  
a 2.772874048423071 1.8691e-08 au
q 2.501269868112608 1.4613e-07 au
i 4.567296726766743 5.2705e-06 deg
node 109.1289598630879 6.0151e-05 deg
peri 215.8689275981986 6.6172e-05 deg
M 205.1616332393744 2.9772e-05 deg
tp 2458325.886923945239
(2018-Jul-26.38692395)
0.00014141 JED
period 1686.528333278002
4.62
1.7052e-05
4.669e-08
d
yr
n .2134562419715119 2.1582e-09 deg/d
Q 3.044478228733534 2.0521e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1534  
   data-arc span      9886 days (27.07 yr)  
   first obs. used      1989-03-07  
   last obs. used      2016-03-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52119  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:02:46  

Additional Information
 Earth MOID = 1.49013 au 
 Jupiter MOID = 2.21951 au 
 T_jup = 3.325 
[ 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 13.2 mag n/a MPO332900  
rotation period rot_per 4.0717 h n/a LCDB (Rev. 2016-February); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2016) Astron. J. 150, A75.]

8559 (1995 QM2)          Discovered 1995-Aug-25 by Shimizu, Y., Urata, T. at Nachi-Katsuura
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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