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JPL Small-Body Database Browser
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39264 (2000 YQ139)
Classification: Jupiter Trojan          SPK-ID: 2039264
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07042694919181794 6.1454e-08  
a 5.243345741215171 1.0403e-07 au
q 4.874072897103475 3.8589e-07 au
i 18.18691511853621 5.4326e-06 deg
node 207.1884906979031 1.4669e-05 deg
peri 206.3498959684648 4.8224e-05 deg
M 277.6340177924585 5.0473e-05 deg
tp 2459603.859463602640
(2022-Jan-24.35946360)
0.00062629 TDB
period 4385.419771803286
12.01
0.00013052
3.573e-07
d
yr
n .08209020315789928 2.4432e-09 deg/d
Q 5.612618585326866 1.1136e-07 au
  Orbit Determination Parameters
   # obs. used (total)      1284  
   data-arc span      8899 days (24.36 yr)  
   first obs. used      1995-07-27  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53929  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 03:09:03  

Additional Information
 Earth MOID = 3.89213 au 
 Jupiter MOID = .0679601 au 
 T_jup = 2.895 
[ 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 10.8   n/a MPO452714  
diameter diameter 35.944 km 0.356 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  
geometric albedo albedo 0.072   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  

39264 (2000 YQ139)          Discovered 2000-Dec-27 by LONEOS at Anderson Mesa
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2000 YQ139 = 1996 TZ68 = 1998 XY81 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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