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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06257623622554548 5.3414e-08  
a 5.25857114497585 8.9421e-08 au
q 4.929509554799004 3.2103e-07 au
i 20.9901133255782 3.863e-06 deg
node 261.2261590651835 1.349e-05 deg
peri 151.1205021877434 4.3394e-05 deg
M 5.271518004387429 3.6929e-05 deg
tp 2459332.003930133183
(2021-Apr-27.50393013)
0.00045259 TDB
period 4404.534923854847
12.06
0.00011235
3.076e-07
d
yr
n .0817339415451673 2.0848e-09 deg/d
Q 5.587632735152696 9.5016e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2137  
   data-arc span      15665 days (42.89 yr)  
   first obs. used      1978-04-29  
   last obs. used      2021-03-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .37021  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 16:33:25  

Additional Information
 Earth MOID = 3.95518 au 
 Jupiter MOID = .138243 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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