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JPL Small-Body Database Browser
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11396 (1998 XZ77)
Classification: Jupiter Trojan          SPK-ID: 2011396
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06441558980919018 6.5036e-08  
a 5.212358027004973 9.1156e-08 au
q 4.87660091039878 3.8615e-07 au
i 12.58038466843911 5.7295e-06 deg
node 195.6630447441552 2.1706e-05 deg
peri 176.6894375525665 4.4263e-05 deg
M 310.6177465827109 3.95e-05 deg
tp 2459196.735991310510
(2020-Dec-13.23599131)
0.00047634 TDB
period 4346.601096916223
11.90
0.00011402
3.122e-07
d
yr
n .08282333528499054 2.1727e-09 deg/d
Q 5.548115143611165 9.7027e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1506  
   data-arc span      24869 days (68.09 yr)  
   first obs. used      1951-11-05  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48802  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 23:15:36  

Additional Information
 Earth MOID = 3.87631 au 
 Jupiter MOID = .0779292 au 
 T_jup = 2.948 
[ 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 10.6   n/a MPO416837  
diameter diameter 37.109 km 0.843 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  
geometric albedo albedo 0.074   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  

11396 (1998 XZ77)          Discovered 1998-Dec-15 by LINEAR at Socorro
Reference: 19990831/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 XZ77 = 1992 HU2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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