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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .195504100381875 5.5943e-08  
a 2.391001541284194 1.3507e-08 au
q 1.923550935943751 1.3295e-07 au
i 3.12046547715034 6.228e-06 deg
node 353.9241051322691 0.00010017 deg
peri 15.56745868510177 0.00010109 deg
M 154.3766072156738 1.586e-05 deg
tp 2456821.408484075397
(2014-Jun-12.90848408)
5.7396e-05 JED
period 1350.417977780839
3.70
1.1443e-05
3.133e-08
d
yr
n .2665841287092409 2.259e-09 deg/d
Q 2.858452146624636 1.6148e-08 au
  Orbit Determination Parameters
   # obs. used (total)      911  
   data-arc span      9594 days (26.27 yr)  
   first obs. used      1988-12-01  
   last obs. used      2015-03-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54515  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 16:42:28  

Additional Information
 Earth MOID = .921289 au 
 Jupiter MOID = 2.59997 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. 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) 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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