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115771 (2003 UW208)
Classification: Main-belt Asteroid          SPK-ID: 2115771
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1311657447581232 4.7859e-08  
a 3.012008735148696 2.208e-08 au
q 2.616936366184945 1.4071e-07 au
i 13.59017439748439 4.1755e-06 deg
node 92.63696195009453 1.921e-05 deg
peri 303.8698286558271 2.498e-05 deg
M 135.0625436100723 1.649e-05 deg
tp 2458484.166616634344
(2018-Dec-31.66661663)
8.6527e-05 TDB
period 1909.33778617512
5.23
2.0995e-05
5.748e-08
d
yr
n .1885470463145077 2.0732e-09 deg/d
Q 3.407081104112448 2.4976e-08 au
  Orbit Determination Parameters
   # obs. used (total)      986  
   data-arc span      8107 days (22.20 yr)  
   first obs. used      1999-01-10  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50471  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 08:57:01  

Additional Information
 Earth MOID = 1.65277 au 
 Jupiter MOID = 2.02918 au 
 T_jup = 3.194 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457287.5 (2015-Sep-22.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1292516647121966 4.7649e-08  
q 2.624896514900189 1.3982e-07 au
tp 2456575.948147722544
(2013-Oct-10.44814772)
8.9348e-05 TDB
node 92.70026296836262 1.9209e-05 deg
peri 304.2627952734553 2.5171e-05 deg
i 13.58563695670985 4.1742e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      986  
   data-arc span      8107 days (22.20 yr)  
   first obs. used      1999-01-10  
   last obs. used      2021-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50471  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 08:57:01  

Additional Information
 Jupiter MOID = 2.02918 au 
 T_jup = 3.194 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.270398913871201E-15 -6.602322412737867E-15 -3.062896516218978E-13 3.340872894792235E-15 -1.458066934412987E-13 4.026538799465431E-16
q -6.602322412737867E-15 1.95486005693385E-14 5.876692223163972E-13 -1.029636121488022E-14 3.923260472874652E-13 -5.713752490607649E-16
tp -3.062896516218978E-13 5.876692223163972E-13 7.983004767062582E-9 1.913843534006229E-11 1.469319938543758E-9 -4.746598374064898E-12
node 3.340872894792235E-15 -1.029636121488022E-14 1.913843534006229E-11 3.68973598402533E-10 -3.550850479220528E-10 -6.954112315290694E-13
peri -1.458066934412987E-13 3.923260472874652E-13 1.469319938543758E-9 -3.550850479220528E-10 6.335944972447601E-10 -8.901615934537846E-14
i 4.026538799465431E-16 -5.713752490607649E-16 -4.746598374064898E-12 -6.954112315290694E-13 -8.901615934537846E-14 1.742387689765171E-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 14.43   n/a E2021B55  
diameter diameter 4.364 km 1.090 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 9.733 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.233   0.221 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

115771 (2003 UW208)          Discovered 2003-Oct-22 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 2003 UW208 = 2000 FR23 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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