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425172 (2009 UQ3)
Classification: Main-belt Asteroid          SPK-ID: 2425172
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .097381575017496 5.1592e-08  
a 2.662298829372694 2.6436e-08 au
q 2.403039976201145 1.4109e-07 au
i 8.286131211027806 5.6796e-06 deg
node 91.24335377985531 3.8044e-05 deg
peri 295.3415431761669 4.8675e-05 deg
M 204.5724234959354 3.2188e-05 deg
tp 2459885.529387956769
(2022-Nov-02.02938796)
0.00014529 TDB
period 1586.659106519543
4.34
2.3633e-05
6.47e-08
d
yr
n .2268918373964319 3.3795e-09 deg/d
Q 2.921557682544243 2.9011e-08 au
  Orbit Determination Parameters
   # obs. used (total)      230  
   data-arc span      6672 days (18.27 yr)  
   first obs. used      2002-01-14  
   last obs. used      2020-04-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52294  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 13:43:33  

Additional Information
 Earth MOID = 1.42105 au 
 Jupiter MOID = 2.49093 au 
 T_jup = 3.363 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457698.5 (2016-Nov-06.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0966295642762665 5.1592e-08  
q 2.405577604909839 1.4094e-07 au
tp 2458300.284003886741
(2018-Jun-30.78400389)
0.00013939 TDB
node 91.25325683859691 3.8043e-05 deg
peri 295.7565060588314 4.8816e-05 deg
i 8.285635577431309 5.6791e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      230  
   data-arc span      6672 days (18.27 yr)  
   first obs. used      2002-01-14  
   last obs. used      2020-04-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52294  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 13:43:33  

Additional Information
 Jupiter MOID = 2.49093 au 
 T_jup = 3.363 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.661756666375081E-15 -7.167026540616517E-15 9.78469449340556E-13 3.44427415855511E-15 1.372222235449336E-13 4.679892686391365E-15
q -7.167026540616517E-15 1.986527876158596E-14 -1.911867773603564E-12 -1.09091923171776E-14 -2.585596104892755E-13 -1.116317498158378E-14
tp 9.78469449340556E-13 -1.911867773603564E-12 1.942939062645594E-8 -1.321463549518163E-11 4.283434871407327E-9 6.261508583312457E-13
node 3.44427415855511E-15 -1.09091923171776E-14 -1.321463549518163E-11 1.447242857444944E-9 -1.43438948422392E-9 1.31520401260263E-11
peri 1.372222235449336E-13 -2.585596104892755E-13 4.283434871407327E-9 -1.43438948422392E-9 2.383000931624448E-9 -1.31039267915203E-11
i 4.679892686391365E-15 -1.116317498158378E-14 6.261508583312457E-13 1.31520401260263E-11 -1.31039267915203E-11 3.225202931403304E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.85   n/a E2021B25  
diameter diameter 2.579 km 0.645 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.061   0.030 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

425172 (2009 UQ3)          Discovered 2009-Oct-19 by Lowe, A. at Mayhill
Reference: Last Updated: 2015-02-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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