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115642 (2003 UE131)
Classification: Main-belt Asteroid          SPK-ID: 2115642
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .06854895020477197 4.757e-08  
a 2.683035074993171 1.4398e-08 au
q 2.499115837239807 1.3472e-07 au
i 6.977448739451392 3.8255e-06 deg
node 113.4977640183089 3.4567e-05 deg
peri 256.0070922474509 4.3793e-05 deg
M 353.4711082632816 2.6045e-05 deg
tp 2459229.612192781788
(2021-Jan-15.11219278)
0.00011612 TDB
period 1605.232530124855
4.39
1.2921e-05
3.538e-08
d
yr
n .224266573997226 1.8052e-09 deg/d
Q 2.866954312746535 1.5385e-08 au
  Orbit Determination Parameters
   # obs. used (total)      921  
   data-arc span      8183 days (22.40 yr)  
   first obs. used      1998-08-17  
   last obs. used      2021-01-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50842  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:44:30  

Additional Information
 Earth MOID = 1.50716 au 
 Jupiter MOID = 2.47774 au 
 T_jup = 3.362 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457630.5 (2016-Aug-30.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07091330172019016 4.756e-08  
q 2.493348650617405 1.3511e-07 au
tp 2457625.228446115513
(2016-Aug-24.72844612)
0.00011302 TDB
node 113.5409979562655 3.4623e-05 deg
peri 256.3657152391123 4.3246e-05 deg
i 6.972221352597212 3.8206e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      921  
   data-arc span      8183 days (22.40 yr)  
   first obs. used      1998-08-17  
   last obs. used      2021-01-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50842  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:44:30  

Additional Information
 Jupiter MOID = 2.47774 au 
 T_jup = 3.362 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.261964473752387E-15 -6.401818848956401E-15 -5.843076567277858E-13 1.641486363143364E-14 -1.215220355056878E-13 -6.070052991417458E-16
q -6.401818848956401E-15 1.825360329789651E-14 1.338458349781244E-12 -4.564424956688758E-14 2.716465821504315E-13 1.908554702108985E-15
tp -5.843076567277858E-13 1.338458349781244E-12 1.277312389170355E-8 -7.621512535430707E-12 2.950938111204112E-9 2.098355582923926E-12
node 1.641486363143364E-14 -4.564424956688758E-14 -7.621512535430707E-12 1.198743674042656E-9 -1.191295276806745E-9 3.982444457726184E-11
peri -1.215220355056878E-13 2.716465821504315E-13 2.950938111204112E-9 -1.191295276806745E-9 1.870173822176185E-9 -3.907174426852855E-11
i -6.070052991417458E-16 1.908554702108985E-15 2.098355582923926E-12 3.982444457726184E-11 -3.907174426852855E-11 1.459725251985776E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.11   n/a E2021B55  
diameter diameter 3.016 km 0.622 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.192   0.090 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

115642 (2003 UE131)          Discovered 2003-Oct-19 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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