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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07091649381363853 6.1476e-08  
a 5.244886957114319 1.0383e-07 au
q 4.872937963666888 3.8628e-07 au
i 18.18573885321748 5.4149e-06 deg
node 207.1924147507113 1.4638e-05 deg
peri 206.2694605318542 4.7809e-05 deg
M 310.5886305991622 5.035e-05 deg
tp 2459602.680953159772
(2022-Jan-23.18095316)
0.00062053 TDB
period 4387.353472819196
12.01
0.00013028
3.567e-07
d
yr
n .08205402236913308 2.4366e-09 deg/d
Q 5.61683595056175 1.1119e-07 au
  Orbit Determination Parameters
   # obs. used (total)      1312  
   data-arc span      8927 days (24.44 yr)  
   first obs. used      1995-07-27  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53694  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 05:47:34  

Additional Information
 Earth MOID = 3.89146 au 
 Jupiter MOID = .0683431 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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