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201662 (2003 UA9)
Classification: Main-belt Asteroid          SPK-ID: 2201662
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .287172267204157 5.3065e-08  
a 2.736720288045237 2.5487e-08 au
q 1.950810118223672 1.4316e-07 au
i 25.95481514158572 7.9569e-06 deg
node 97.44825999739724 1.3771e-05 deg
peri 293.7585121620683 2.0079e-05 deg
M 244.0427353755882 1.7467e-05 deg
tp 2459533.147025041371
(2021-Nov-14.64702504)
8.6085e-05 TDB
period 1653.65171070554
4.53
2.31e-05
6.324e-08
d
yr
n .2177000136542681 3.0411e-09 deg/d
Q 3.522630457866801 3.2806e-08 au
  Orbit Determination Parameters
   # obs. used (total)      314  
   data-arc span      7038 days (19.27 yr)  
   first obs. used      2000-01-02  
   last obs. used      2019-04-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57196  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 12:46:31  

Additional Information
 Earth MOID = 1.08492 au 
 Jupiter MOID = 2.23432 au 
 T_jup = 3.151 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457059.5 (2015-Feb-06.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2882628749673424 5.2971e-08  
q 1.946229325925966 1.4251e-07 au
tp 2457881.663582426404
(2017-May-08.16358243)
6.879e-05 TDB
node 97.45317269982181 1.3778e-05 deg
peri 294.0268223258443 2.0043e-05 deg
i 25.95738483386706 7.9576e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      314  
   data-arc span      7038 days (19.27 yr)  
   first obs. used      2000-01-02  
   last obs. used      2019-04-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57196  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 12:46:31  

Additional Information
 Jupiter MOID = 2.23432 au 
 T_jup = 3.151 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.805889567148497E-15 -7.489958504156255E-15 6.263698823102992E-13 -1.080857849931991E-14 5.160331736359301E-14 -7.112851817130212E-15
q -7.489958504156255E-15 2.030896964292235E-14 -9.182961026956869E-13 3.147272407735564E-14 -9.389368990051733E-15 2.321747780867984E-14
tp 6.263698823102992E-13 -9.182961026956869E-13 4.732065056306771E-9 1.079316977184496E-11 1.012329764619768E-9 9.575595222934664E-12
node -1.080857849931991E-14 3.147272407735564E-14 1.079316977184496E-11 1.898398916833071E-10 -1.673837682561437E-10 7.415656825630599E-12
peri 5.160331736359301E-14 -9.389368990051733E-15 1.012329764619768E-9 -1.673837682561437E-10 4.017266495338803E-10 -4.788327440083722E-12
i -7.112851817130212E-15 2.321747780867984E-14 9.575595222934664E-12 7.415656825630599E-12 -4.788327440083722E-12 6.332280620892637E-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 15.4   n/a MPO385882  

201662 (2003 UA9)          Discovered 2003-Oct-17 by LINEAR at Socorro
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12

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