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115660 (2003 UQ139)
Classification: Main-belt Asteroid          SPK-ID: 2115660
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02943530229753875 3.8506e-08  
a 2.780181302792775 1.8759e-08 au
q 2.698345825703105 1.0994e-07 au
i 5.602479112324798 4.3526e-06 deg
node 94.55984838921614 6.2946e-05 deg
peri 188.1351327714208 0.00013308 deg
M 342.3279125863289 0.00011853 deg
tp 2459283.617688046643
(2021-Mar-10.11768805)
0.00055747 TDB
period 1693.199393844311
4.64
1.7137e-05
4.692e-08
d
yr
n .2126152426635595 2.1519e-09 deg/d
Q 2.862016779882445 1.9312e-08 au
  Orbit Determination Parameters
   # obs. used (total)      518  
   data-arc span      13533 days (37.05 yr)  
   first obs. used      1983-05-07  
   last obs. used      2020-05-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59673  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:44:35  

Additional Information
 Earth MOID = 1.68011 au 
 Jupiter MOID = 2.17398 au 
 T_jup = 3.326 
[ 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 15.42   n/a E2021B55  
diameter diameter 5.198 km 0.289 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.060   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

115660 (2003 UQ139)          Discovered 2003-Oct-16 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 2003 UQ139 = 1983 JR1 = 1997 LM7 = 1999 XW78 = 2001 FA157 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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