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JPL Small-Body Database Browser
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13790 (1998 UF31)
Classification: Jupiter Trojan          SPK-ID: 2013790
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .111688446761162 4.7562e-08  
a 5.27042852388971 1.1961e-07 au
q 4.681782548290744 2.6521e-07 au
i 7.967965341877989 5.7809e-06 deg
node 67.23858464734042 4.0049e-05 deg
peri 55.29915319462529 5.1701e-05 deg
M 203.5563003746902 3.5688e-05 deg
tp 2460521.037960738101
(2024-Jul-29.53796074)
0.00048347 TDB
period 4419.440779792586
12.10
0.00015044
4.119e-07
d
yr
n .08145826993452678 2.773e-09 deg/d
Q 5.859074499488676 1.3297e-07 au
  Orbit Determination Parameters
   # obs. used (total)      720  
   data-arc span      10362 days (28.37 yr)  
   first obs. used      1991-05-17  
   last obs. used      2019-09-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58043  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 03:44:48  

Additional Information
 Earth MOID = 3.70601 au 
 Jupiter MOID = .064467 au 
 T_jup = 2.968 
[ 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 11.7   n/a MPO452364  
diameter diameter 19.437 km 0.381 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  
geometric albedo albedo 0.107   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  

13790 (1998 UF31)          Discovered 1998-Oct-17 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20000222/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 UF31 = 1997 TQ29 = 1998 UH32 = 2000 AJ27 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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