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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06219347090381933 5.344e-08  
a 5.256429341053475 8.9404e-08 au
q 4.929513755772684 3.2112e-07 au
i 20.99277135264683 3.864e-06 deg
node 261.2215784478269 1.3499e-05 deg
peri 151.087407665886 4.3638e-05 deg
M 349.277489675669 3.7373e-05 deg
tp 2459331.607834862407
(2021-Apr-27.10783486)
0.0004554 TDB
period 4401.844262473205
12.05
0.0001123
3.075e-07
d
yr
n .08178390204966761 2.0865e-09 deg/d
Q 5.583344926334267 9.4965e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2132  
   data-arc span      15656 days (42.86 yr)  
   first obs. used      1978-04-29  
   last obs. used      2021-03-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .36828  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 22:44:52  

Additional Information
 Earth MOID = 3.95489 au 
 Jupiter MOID = .139457 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 10.25   n/a E2021B10  
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. 2020-October); 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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