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38585 (1999 XD67)
Classification: Jupiter Trojan          SPK-ID: 2038585
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1080231593135845 4.6422e-08  
a 5.153819136721896 1.3163e-07 au
q 4.597087311042386 3.161e-07 au
i 5.759226230252494 4.0877e-06 deg
node 242.0773021007627 5.8525e-05 deg
peri 201.1913942102952 6.6811e-05 deg
M 256.004141862656 3.6734e-05 deg
tp 2460235.041602402564
(2023-Oct-17.54160240)
0.00047218 TDB
period 4273.583437120852
11.70
0.00016372
4.482e-07
d
yr
n .08423843954303017 3.2272e-09 deg/d
Q 5.710550962401405 1.4585e-07 au
  Orbit Determination Parameters
   # obs. used (total)      611  
   data-arc span      10802 days (29.57 yr)  
   first obs. used      1991-04-14  
   last obs. used      2020-11-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52882  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 03:40:25  

Additional Information
 Earth MOID = 3.61387 au 
 Jupiter MOID = .284125 au 
 T_jup = 2.978 
[ 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 12.3   n/a MPO493119  
diameter diameter 13.300 km 0.891 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.132   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

38585 (1999 XD67)          Discovered 1999-Dec-07 by LINEAR at Socorro
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 XD67 = 1998 TO2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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