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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06383299383445956 7.4974e-08  
a 2.643964404292784 2.5228e-08 AU
q 2.475192240775033 1.9584e-07 AU
i 11.09815198778869 8.5514e-06 deg
node 218.2988697653566 3.4906e-05 deg
peri 149.4058378548347 6.8686e-05 deg
M 261.3806156644558 6.0187e-05 deg
tp 2457230.671485288671
(2015-Jul-27.17148529)
0.00026401 JED
period 1570.297114987228
4.30
2.2475e-05
6.153e-08
d
yr
n .2292559774606273 3.2812e-09 deg/d
Q 2.812736567810536 2.6838e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      979  
   data-arc span      15848 days (43.39 yr)  
   first obs. used      1970-03-04  
   last obs. used      2013-07-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54219  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-26 20:00:18  

Additional Information
 Earth MOID = 1.48099 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 Asteroid Lightcurve DataBase (Rev. 2013-Sep-12) 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 (809)
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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