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172581 (2003 UC250)
Classification: Main-belt Asteroid          SPK-ID: 2172581
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0638641869049022 4.3613e-08  
a 2.457343979171724 1.3075e-08 au
q 2.300407703996266 1.084e-07 au
i 5.372280026215123 4.5519e-06 deg
node 248.3221221872664 4.9506e-05 deg
peri 268.5757755920444 6.1821e-05 deg
M 358.2857803704526 3.6502e-05 deg
tp 2459007.199792000769
(2020-Jun-06.69979200)
0.00014266 TDB
period 1407.010559617652
3.85
1.123e-05
3.075e-08
d
yr
n .2558616191891467 2.0421e-09 deg/d
Q 2.614280254347183 1.391e-08 au
  Orbit Determination Parameters
   # obs. used (total)      313  
   data-arc span      7416 days (20.30 yr)  
   first obs. used      1999-10-13  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54732  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 16:51:29  

Additional Information
 Earth MOID = 1.31707 au 
 Jupiter MOID = 2.39261 au 
 T_jup = 3.483 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457262.5 (2015-Aug-28.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0639205344392846 4.3673e-08  
q 2.29989988497546 1.0854e-07 au
tp 2457603.623571978747
(2016-Aug-03.12357198)
0.00014382 TDB
node 248.3805080628914 4.9547e-05 deg
peri 269.450635956201 6.1838e-05 deg
i 5.369794996511935 4.5507e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      313  
   data-arc span      7416 days (20.30 yr)  
   first obs. used      1999-10-13  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54732  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 16:51:29  

Additional Information
 Jupiter MOID = 2.39261 au 
 T_jup = 3.483 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.907345124639451E-15 -4.710057565966729E-15 -9.027085245005219E-13 1.461979604693254E-14 -1.953337562755437E-13 2.177525236996778E-15
q -4.710057565966729E-15 1.17801804271518E-14 1.935868153458839E-12 -3.404419900440453E-14 3.956074608885348E-13 -5.234787157648229E-15
tp -9.027085245005219E-13 1.935868153458839E-12 2.068373957889881E-8 -7.432336955134431E-11 5.340658309230368E-9 3.772495964354669E-14
node 1.461979604693254E-14 -3.404419900440453E-14 -7.432336955134431E-11 2.454877828163041E-9 -2.462565937263339E-9 1.705051012936845E-11
peri -1.953337562755437E-13 3.956074608885348E-13 5.340658309230368E-9 -2.462565937263339E-9 3.823985048222132E-9 -1.694026071076458E-11
i 2.177525236996778E-15 -5.234787157648229E-15 3.772495964354669E-14 1.705051012936845E-11 -1.694026071076458E-11 2.070893164934074E-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 16.3   n/a MPO412968  

172581 (2003 UC250)          Discovered 2003-Oct-25 by LINEAR at Socorro
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

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