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190268 (2007 XU3)
Classification: Jupiter Trojan          SPK-ID: 2190268
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07700104314545747 7.4895e-08  
a 5.203580614801488 1.1135e-07 au
q 4.802899479370293 4.155e-07 au
i 18.55554502418916 8.1443e-06 deg
node 195.0319766349291 1.2287e-05 deg
peri 162.7168107803581 3.4112e-05 deg
M 26.19897264751191 2.9132e-05 deg
tp 2458884.975114185660
(2020-Feb-05.47511419)
0.00035457 TDB
period 4335.626454572052
11.87
0.00013917
3.81e-07
d
yr
n .08303298353121931 2.6653e-09 deg/d
Q 5.604261750232684 1.1993e-07 au
  Orbit Determination Parameters
   # obs. used (total)      700  
   data-arc span      9234 days (25.28 yr)  
   first obs. used      1995-10-02  
   last obs. used      2021-01-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50393  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 12:02:27  

Additional Information
 Earth MOID = 3.80317 au 
 Jupiter MOID = .10943 au 
 T_jup = 2.890 
[ 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 12.56   n/a E2021B55  
diameter diameter 18.473 km 0.617 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.057   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

190268 (2007 XU3)          Discovered 2007-Dec-05 by CSS at Catalina
Reference: 20080819/Numbers.arcLast Updated: 2008-08-25
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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