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52645 (1997 XR13)
Classification: Jupiter Trojan          SPK-ID: 2052645
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04212670700105803 6.7662e-08  
a 5.185963478446223 1.5296e-07 au
q 4.967495914471532 4.5411e-07 au
i 11.96323659109015 7.4615e-06 deg
node 60.55456455021427 3.7588e-05 deg
peri 27.36995570804201 0.00012438 deg
M 262.0363185578361 0.00012244 deg
tp 2459774.329999252573
(2022-Jul-13.82999925)
0.0014928 TDB
period 4313.627188259656
11.81
0.00019085
5.225e-07
d
yr
n .08345644727476853 3.6924e-09 deg/d
Q 5.404431042420915 1.5941e-07 au
  Orbit Determination Parameters
   # obs. used (total)      364  
   data-arc span      11662 days (31.93 yr)  
   first obs. used      1987-11-24  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55868  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:58:11  

Additional Information
 Earth MOID = 3.98792 au 
 Jupiter MOID = .0159316 au 
 T_jup = 2.955 
[ 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 12.4   n/a MPO452886  
diameter diameter 12.952 km 0.843 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.115   0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

52645 (1997 XR13)          Discovered 1997-Dec-02 by Uppsala-DLR Trojan Survey at La Silla
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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