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JPL Small-Body Database Browser
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11397 (1998 XX93)
Classification: Jupiter Trojan          SPK-ID: 2011397
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06118247461071787 7.0329e-08  
a 5.250321735040293 1.2115e-07 au
q 4.92909405878809 4.5066e-07 au
i 20.99475954003799 4.6203e-06 deg
node 261.2131059270788 1.9726e-05 deg
peri 151.5009669330772 5.9084e-05 deg
M 299.726753568563 5.719e-05 deg
tp 2459336.197679518693
(2021-May-01.69767952)
0.00070489 TDB
period 4394.174535264282
12.03
0.00015209
4.164e-07
d
yr
n .08192665018444659 2.8356e-09 deg/d
Q 5.571549411292496 1.2856e-07 au
  Orbit Determination Parameters
   # obs. used (total)      1394  
   data-arc span      15188 days (41.58 yr)  
   first obs. used      1978-04-29  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42878  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-03 22:35:28  

Additional Information
 Earth MOID = 3.95445 au 
 Jupiter MOID = .141064 au 
 T_jup = 2.863 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 10.2   n/a MPO425920  
diameter diameter 45.431 km 0.688 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  
rotation period rot_per 12.70 h n/a LCDB (Rev. 2019-January); 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:
[French, L.M.; Stephens, R.D.; Coley, D.R.; Megna, R.; Wasserman, L.H. (2012) Minor Planet Bull. 39, 183-187.]
geometric albedo albedo 0.078   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  

11397 (1998 XX93)          Discovered 1998-Dec-15 by LINEAR at Socorro
Reference: 19990831/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 XX93 = 1997 XB12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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