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201755 (2003 UO371)
Classification: Main-belt Asteroid          SPK-ID: 2201755
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09668224994890957 1.3893e-07  
a 2.838506961420402 2.8304e-08 au
q 2.564073721894634 3.7914e-07 au
i 11.51991176461474 5.5003e-06 deg
node 241.2396767662678 3.9189e-05 deg
peri 141.7046369041751 6.4546e-05 deg
M 136.0302149860163 4.4526e-05 deg
tp 2458340.466078538532
(2018-Aug-09.96607854)
0.00021772 TDB
period 1746.760539565088
4.78
2.6127e-05
7.153e-08
d
yr
n .206095793811345 3.0826e-09 deg/d
Q 3.112940200946169 3.104e-08 au
  Orbit Determination Parameters
   # obs. used (total)      249  
   data-arc span      7463 days (20.43 yr)  
   first obs. used      1999-11-12  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56294  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 07:07:40  

Additional Information
 Earth MOID = 1.57991 au 
 Jupiter MOID = 2.32422 au 
 T_jup = 3.274 
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Orbital Elements at Epoch 2457647.5 (2016-Sep-16.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0958765592075799 1.3841e-07  
q 2.566327244152199 3.7676e-07 au
tp 2458341.704917104552
(2018-Aug-11.20491710)
0.00022146 TDB
node 241.2512379056521 3.9187e-05 deg
peri 141.9982639175367 6.5267e-05 deg
i 11.51957817729485 5.5001e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      249  
   data-arc span      7463 days (20.43 yr)  
   first obs. used      1999-11-12  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56294  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 07:07:40  

Additional Information
 Jupiter MOID = 2.32422 au 
 T_jup = 3.274 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.915649706783528E-14 -5.207173619483683E-14 -1.842071557624623E-11 -2.017476811171859E-13 -5.199316745767988E-12 2.674563547306037E-14
q -5.207173619483683E-14 1.419444437940895E-13 5.100878961403443E-11 5.484298109883813E-13 1.429268248682402E-11 -7.244661616934451E-14
tp -1.842071557624623E-11 5.100878961403443E-11 4.904496850447086E-8 2.001079283641746E-10 1.151215678359744E-8 -5.127090215247052E-11
node -2.017476811171859E-13 5.484298109883813E-13 2.001079283641746E-10 1.535649125274392E-9 -1.445701964156506E-9 1.751186576489396E-11
peri -5.199316745767988E-12 1.429268248682402E-11 1.151215678359744E-8 -1.445701964156506E-9 4.259766335009792E-9 -2.993869076793481E-11
i 2.674563547306037E-14 -7.244661616934451E-14 -5.127090215247052E-11 1.751186576489396E-11 -2.993869076793481E-11 3.025092266288342E-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 16.0   n/a MPO470156  

201755 (2003 UO371)          Discovered 2003-Oct-22 by Sloan Digital Sky Survey at Apache Point
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12

Alternate Designations
 2003 UO371 = 2008 SA84 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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