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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06376182181402466 7.0886e-08  
a 2.644091488592053 2.3048e-08 AU
q 2.475499398236467 1.8623e-07 AU
i 11.09761420276718 8.1062e-06 deg
node 218.2919882277381 3.2464e-05 deg
peri 149.3516255828171 6.4494e-05 deg
M 307.2816614614529 5.4837e-05 deg
tp 2457230.470621019017
(2015-Jul-26.97062102)
0.00023944 JED
period 1570.410332759467
4.30
2.0533e-05
5.622e-08
d
yr
n .22923944939118 2.9973e-09 deg/d
Q 2.812683578947639 2.4517e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1059  
   data-arc span      16598 days (45.44 yr)  
   first obs. used      1970-03-04  
   last obs. used      2015-08-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51115  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Sep-02 14:39:02  

Additional Information
 Earth MOID = 1.48262 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 13.0 mag n/a PDS3 (MPC 38331)  
rotation period rot_per 7.0 h n/a LCDB (Rev. 2015-July); 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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