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13555 (1992 JB2)
Classification: Main-belt Asteroid          SPK-ID: 2013555
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06353265159006057 6.7441e-08  
a 2.643506599823809 1.8372e-08 au
q 2.475557616041177 1.7762e-07 au
i 11.09922170370687 7.837e-06 deg
node 218.2844922259 2.649e-05 deg
peri 149.2545381445748 5.945e-05 deg
M 39.08121120491914 5.0042e-05 deg
tp 2457230.074514634463
(2015-Jul-26.57451463)
0.00021859 JED
period 1569.889285413721
4.30
1.6366e-05
4.481e-08
d
yr
n .2293155341238777 2.3906e-09 deg/d
Q 2.81145558360644 1.9539e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1241  
   data-arc span      16721 days (45.78 yr)  
   first obs. used      1970-03-04  
   last obs. used      2015-12-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51437  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:24:34  

Additional Information
 Earth MOID = 1.48103 au 
 Jupiter MOID = 2.47853 au 
 T_jup = 3.364 
[ 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 MPO347632  
rotation period rot_per 7.0 h n/a LCDB (Rev. 2015-December); 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:
[Behrend, R. (2006) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]

13555 (1992 JB2)          Discovered 1992-May-02 by Debehogne, H. at La Silla
Reference: 20000222/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1992 JB2 = 1970 EH2 = 1993 RR3 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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