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11862 (1988 XB2)
Classification: Main-belt Asteroid          SPK-ID: 2011862
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1960768317483591 5.58e-08  
a 2.389880059604203 1.2809e-08 au
q 1.921279949258431 1.326e-07 au
i 3.119291543784587 6.1604e-06 deg
node 353.9176344604502 8.6102e-05 deg
peri 15.66570928453477 8.6869e-05 deg
M 207.5786972227459 1.5546e-05 deg
tp 2458171.854633731204
(2018-Feb-22.35463373)
6.1155e-05 JED
period 1349.467983775351
3.69
1.0849e-05
2.97e-08
d
yr
n .2667717977219755 2.1448e-09 deg/d
Q 2.858480169949975 1.5321e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1046  
   data-arc span      9998 days (27.37 yr)  
   first obs. used      1988-12-01  
   last obs. used      2016-04-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54764  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:12:51  

Additional Information
 Earth MOID = .919662 au 
 Jupiter MOID = 2.59971 au 
 T_jup = 3.504 
[ 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 14.7 mag n/a MPO332931  
rotation period rot_per 2.3814 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.]

11862 (1988 XB2)          Discovered 1988-Dec-07 by Oshima, Y. at Gekko
Reference: 19991026/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1988 XB2 = 1997 EV37 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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