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39803 (1997 UY15)
Classification: Jupiter Trojan          SPK-ID: 2039803
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0738662218373692 5.7079e-08  
a 5.30580709923879 1.3493e-07 au
q 4.913887175020129 3.555e-07 au
i .4980535777418578 6.1121e-06 deg
node 165.2660053982519 0.00063503 deg
peri 243.1880363850728 0.00063658 deg
M 264.5032068151638 4.8545e-05 deg
tp 2459784.664122790546
(2022-Jul-24.16412279)
0.00062998 TDB
period 4464.014654183046
12.22
0.00017028
4.662e-07
d
yr
n .08064489655352244 3.0762e-09 deg/d
Q 5.697727023457451 1.4489e-07 au
  Orbit Determination Parameters
   # obs. used (total)      548  
   data-arc span      21519 days (58.92 yr)  
   first obs. used      1960-09-27  
   last obs. used      2019-08-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5991  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 05:49:17  

Additional Information
 Earth MOID = 3.92352 au 
 Jupiter MOID = .0831949 au 
 T_jup = 2.995 
[ 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 12.5   n/a MPO493126  
diameter diameter 14.114 km 1.043 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.089   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

39803 (1997 UY15)          Discovered 1997-Oct-23 by Spacewatch at Kitt Peak
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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