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115590 (2003 UL97)
Classification: Main-belt Asteroid          SPK-ID: 2115590
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04653465106935095 4.0556e-08  
a 2.692667013924952 1.9022e-08 au
q 2.567364693986003 1.0435e-07 au
i 3.544832243776076 4.3653e-06 deg
node 191.3394402683173 5.915e-05 deg
peri 304.023979999631 7.7408e-05 deg
M 219.050680492436 5.253e-05 deg
tp 2459832.377490616695
(2022-Sep-09.87749062)
0.00023954 TDB
period 1613.884319674227
4.42
1.7101e-05
4.682e-08
d
yr
n .2230643148405261 2.3637e-09 deg/d
Q 2.817969333863901 1.9907e-08 au
  Orbit Determination Parameters
   # obs. used (total)      444  
   data-arc span      8138 days (22.28 yr)  
   first obs. used      1998-08-23  
   last obs. used      2020-12-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58355  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:44:16  

Additional Information
 Earth MOID = 1.58273 au 
 Jupiter MOID = 2.18261 au 
 T_jup = 3.367 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457806.5 (2017-Feb-22.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04519083123259157 3.957e-08  
q 2.572024970332069 1.0182e-07 au
tp 2458205.892716525845
(2018-Mar-28.39271653)
0.00024124 TDB
node 191.5123887654082 5.9126e-05 deg
peri 301.3028422715038 7.9133e-05 deg
i 3.544659787130792 4.3644e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      444  
   data-arc span      8138 days (22.28 yr)  
   first obs. used      1998-08-23  
   last obs. used      2020-12-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58355  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:44:16  

Additional Information
 Jupiter MOID = 2.18261 au 
 T_jup = 3.367 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.565748709054506E-15 -3.970572704355037E-15 3.544938615548672E-12 6.743687843031492E-15 7.772025144828355E-13 1.05914724789633E-16
q -3.970572704355037E-15 1.036669254844934E-14 -6.961396938711135E-12 -1.668294948011098E-14 -1.542012209090591E-12 1.535387619045592E-18
tp 3.544938615548672E-12 -6.961396938711135E-12 5.819645922204575E-8 3.000611503208744E-11 1.26996004717808E-8 2.413663351275575E-12
node 6.743687843031492E-15 -1.668294948011098E-14 3.000611503208744E-11 3.495942849817425E-9 -3.482404277445692E-9 -4.680093869813226E-11
peri 7.772025144828355E-13 -1.542012209090591E-12 1.26996004717808E-8 -3.482404277445692E-9 6.262000099029683E-9 4.723364537546232E-11
i 1.05914724789633E-16 1.535387619045592E-18 2.413663351275575E-12 -4.680093869813226E-11 4.723364537546232E-11 1.904783943507179E-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 16.16   n/a E2021B55  
diameter diameter 2.655 km 0.632 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.091   0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

115590 (2003 UL97)          Discovered 2003-Oct-19 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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