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187305 (2005 UO2)
Classification: Main-belt Asteroid          SPK-ID: 2187305
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1408799195329474 4.5988e-08  
a 2.668534166953851 1.4534e-08 au
q 2.292591288242472 1.2513e-07 au
i 6.008985561006646 4.8984e-06 deg
node 63.82299886225646 4.3459e-05 deg
peri 306.0245424191279 4.6011e-05 deg
M 197.2656626320449 1.7119e-05 deg
tp 2459920.254315603518
(2022-Dec-06.75431560)
7.8402e-05 TDB
period 1592.236511409359
4.36
1.3008e-05
3.561e-08
d
yr
n .2260970637341736 1.8471e-09 deg/d
Q 3.044477045665231 1.6582e-08 au
  Orbit Determination Parameters
   # obs. used (total)      663  
   data-arc span      7098 days (19.43 yr)  
   first obs. used      2001-11-24  
   last obs. used      2021-05-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51248  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:14:55  

Additional Information
 Earth MOID = 1.29736 au 
 Jupiter MOID = 2.43216 au 
 T_jup = 3.360 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457308.5 (2015-Oct-13.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1386387658476899 4.5718e-08  
q 2.301585323682279 1.2402e-07 au
tp 2456731.049372211771
(2014-Mar-14.54937221)
7.1109e-05 TDB
node 63.95227821020836 4.3519e-05 deg
peri 305.4968163517872 4.6176e-05 deg
i 6.002523433950258 4.8897e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      663  
   data-arc span      7098 days (19.43 yr)  
   first obs. used      2001-11-24  
   last obs. used      2021-05-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51248  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 10:14:55  

Additional Information
 Jupiter MOID = 2.43216 au 
 T_jup = 3.360 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.090144585585749E-15 -5.641574854533491E-15 5.637221565153797E-13 5.766815937227708E-15 1.019949244356642E-13 4.723743690048306E-16
q -5.641574854533491E-15 1.538205387565216E-14 -1.336522498926454E-12 -1.446212739987454E-14 -2.275531595041524E-13 -1.437175362700853E-15
tp 5.637221565153797E-13 -1.336522498926454E-12 5.056541003212609E-9 -4.462755866931698E-12 1.122256242707707E-9 6.479250112102667E-13
node 5.766815937227708E-15 -1.446212739987454E-14 -4.462755866931698E-12 1.89393664213444E-9 -1.884063649396116E-9 -6.038452890217518E-11
peri 1.019949244356642E-13 -2.275531595041524E-13 1.122256242707707E-9 -1.884063649396116E-9 2.132218888031776E-9 6.016018799700861E-11
i 4.723743690048306E-16 -1.437175362700853E-15 6.479250112102667E-13 -6.038452890217518E-11 6.016018799700861E-11 2.390942059908702E-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 15.63   n/a E2021B55  

187305 (2005 UO2)          Discovered 2005-Oct-23 by Eskridge at Eskridge
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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