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115751 (2003 UR202)
Classification: Main-belt Asteroid          SPK-ID: 2115751
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2161932791909213 3.4659e-08  
a 2.729193978155134 2.3042e-08 au
q 2.13916058246966 9.8575e-08 au
i 10.66227811837845 6.1792e-06 deg
node 62.88106785455415 3.0266e-05 deg
peri 227.2117370411486 3.5246e-05 deg
M 27.58419795574665 1.7896e-05 deg
tp 2459074.314953098748
(2020-Aug-12.81495310)
8.1814e-05 TDB
period 1646.834791329753
4.51
2.0855e-05
5.71e-08
d
yr
n .2186011626031501 2.7684e-09 deg/d
Q 3.319227373840608 2.8023e-08 au
  Orbit Determination Parameters
   # obs. used (total)      703  
   data-arc span      9303 days (25.47 yr)  
   first obs. used      1994-12-28  
   last obs. used      2020-06-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57376  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:44:59  

Additional Information
 Earth MOID = 1.13722 au 
 Jupiter MOID = 1.9048 au 
 T_jup = 3.296 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456882.5 (2014-Aug-13.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2145735235768522 3.4672e-08  
q 2.144595782501666 9.8254e-08 au
tp 2457427.879331630380
(2016-Feb-09.37933163)
8.5025e-05 TDB
node 62.93664447521313 3.0243e-05 deg
peri 227.178085647869 3.5298e-05 deg
i 10.66363450862798 6.1789e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      703  
   data-arc span      9303 days (25.47 yr)  
   first obs. used      1994-12-28  
   last obs. used      2020-06-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57376  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:44:59  

Additional Information
 Jupiter MOID = 1.9048 au 
 T_jup = 3.296 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.202154186208449E-15 -3.349798971281843E-15 2.589510365395258E-13 -1.015252274710797E-15 4.419148863596601E-14 -4.289771889408177E-16
q -3.349798971281843E-15 9.65386412065989E-15 -1.081110648555618E-12 -6.701002245918383E-15 -2.205438415810077E-13 3.961553009791457E-15
tp 2.589510365395258E-13 -1.081110648555618E-12 7.229202395003516E-9 2.057096208951946E-11 1.585511687249137E-9 -1.316992053156579E-11
node -1.015252274710797E-15 -6.701002245918383E-15 2.057096208951946E-11 9.146127024468126E-10 -8.941332202054178E-10 -9.984780850017677E-11
peri 4.419148863596601E-14 -2.205438415810077E-13 1.585511687249137E-9 -8.941332202054178E-10 1.24597859928586E-9 9.525715619419327E-11
i -4.289771889408177E-16 3.961553009791457E-15 -1.316992053156579E-11 -9.984780850017677E-11 9.525715619419327E-11 3.817823997517441E-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 14.59   n/a E2021B55  
diameter diameter 3.541 km 0.489 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.268   0.110 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

115751 (2003 UR202)          Discovered 2003-Oct-21 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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