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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09668239721468848 1.6302e-07  
a 2.838507008616566 3.7454e-08 au
q 2.564073346512822 4.3835e-07 au
i 11.51991975164443 8.3128e-06 deg
node 241.2396430586762 3.9723e-05 deg
peri 141.7045283516072 9.5195e-05 deg
M 136.0303211110231 6.9426e-05 deg
tp 2458340.465547146351
(2018-Aug-09.96554715)
0.00034453 TDB
period 1746.760583130455
4.78
3.4573e-05
9.466e-08
d
yr
n .2060957886711792 4.0791e-09 deg/d
Q 3.11294067072031 4.1075e-08 au
  Orbit Determination Parameters
   # obs. used (total)      203  
   data-arc span      6991 days (19.14 yr)  
   first obs. used      1999-11-12  
   last obs. used      2019-01-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58865  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 09:21:28  

Additional Information
 Earth MOID = 1.57991 au 
 Jupiter MOID = 2.32422 au 
 T_jup = 3.274 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456739.5 (2014-Mar-23.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09365610473735043 1.6198e-07  
q 2.573003410591907 4.3383e-07 au
tp 2456590.731465314536
(2013-Oct-25.23146531)
0.00038388 TDB
node 241.4577751570522 3.9702e-05 deg
peri 141.2166153180134 9.8376e-05 deg
i 11.51878985893222 8.3129e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      203  
   data-arc span      6991 days (19.14 yr)  
   first obs. used      1999-11-12  
   last obs. used      2019-01-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58865  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 09:21:28  

Additional Information
 Jupiter MOID = 2.32422 au 
 T_jup = 3.274 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.623612462813095E-14 -7.017355225469937E-14 -4.673607094191763E-11 -2.54691255370278E-13 -1.138480911572603E-11 -3.194520358262991E-15
q -7.017355225469937E-14 1.882104830850224E-13 1.237486785780243E-10 6.725697298121666E-13 3.020073782135469E-11 9.574442342359496E-15
tp -4.673607094191763E-11 1.237486785780243E-10 1.473667381816791E-7 4.887803991740189E-10 3.458803842147253E-8 -1.671424273569012E-11
node -2.54691255370278E-13 6.725697298121666E-13 4.887803991740189E-10 1.576275696355983E-9 -1.423255295501447E-9 4.557115806587108E-13
peri -1.138480911572603E-11 3.020073782135469E-11 3.458803842147253E-8 -1.423255295501447E-9 9.677817404383594E-9 -4.097722457228328E-12
i -3.194520358262991E-15 9.574442342359496E-15 -1.671424273569012E-11 4.557115806587108E-13 -4.097722457228328E-12 6.910385216257989E-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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