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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07445952443933816 5.7027e-08  
a 5.302113606111236 1.3318e-07 au
q 4.90732074847685 3.5545e-07 au
i .4982195258283232 6.115e-06 deg
node 165.2603442622117 0.00063476 deg
peri 243.8096897290215 0.0006363 deg
M 296.2384370495063 4.9123e-05 deg
tp 2459790.320539762558
(2022-Jul-29.82053976)
0.00062739 TDB
period 4459.354212118157
12.21
0.00016801
4.6e-07
d
yr
n .08072917801006055 3.0416e-09 deg/d
Q 5.696906463745623 1.4309e-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 = 3.91759 au 
 Jupiter MOID = .0845445 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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