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JPL Small-Body Database Browser
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277406 (2005 UJ204)
Classification: Main-belt Asteroid          SPK-ID: 2277406
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1533425777409233 5.7469e-08  
a 2.565157378685957 2.5381e-08 au
q 2.171809533927102 1.4491e-07 au
i 10.5284700645496 1.3957e-05 deg
node 222.8546272789402 5.0466e-05 deg
peri 250.425650640536 9.2513e-05 deg
M 51.36192542248431 7.365e-05 deg
tp 2458386.404152031134
(2018-Sep-24.90415203)
0.00030633 TDB
period 1500.615575347018
4.11
2.2272e-05
6.098e-08
d
yr
n .2399015483474173 3.5606e-09 deg/d
Q 2.95850522344481 2.9273e-08 au
  Orbit Determination Parameters
   # obs. used (total)      170  
   data-arc span      6329 days (17.33 yr)  
   first obs. used      2001-12-11  
   last obs. used      2019-04-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6229  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 06:00:33  

Additional Information
 Earth MOID = 1.21455 au 
 Jupiter MOID = 2.27157 au 
 T_jup = 3.393 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456777.5 (2014-Apr-30.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1541395833447318 5.8051e-08  
q 2.169959761813803 1.4707e-07 au
tp 2456886.695019790025
(2014-Aug-17.19501979)
0.00030011 TDB
node 222.9117373887522 5.0482e-05 deg
peri 250.686220548193 9.2012e-05 deg
i 10.52805341737847 1.3952e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      170  
   data-arc span      6329 days (17.33 yr)  
   first obs. used      2001-12-11  
   last obs. used      2019-04-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6229  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 06:00:33  

Additional Information
 Jupiter MOID = 2.27157 au 
 T_jup = 3.393 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.369925895641102E-15 -8.449524921350852E-15 1.073557351439528E-11 6.71641795578117E-14 2.755146150490892E-12 -4.659279971035209E-14
q -8.449524921350852E-15 2.163043072724153E-14 -2.693066190543343E-11 -1.709634136043194E-13 -6.925579246504749E-12 1.192050960339673E-13
tp 1.073557351439528E-11 -2.693066190543343E-11 9.006852431594329E-8 5.272297807933655E-10 2.320404000963036E-8 -3.559365896147647E-10
node 6.71641795578117E-14 -1.709634136043194E-13 5.272297807933655E-10 2.548405812274119E-9 -2.367153517010132E-9 -5.344918155469948E-10
peri 2.755146150490892E-12 -6.925579246504749E-12 2.320404000963036E-8 -2.367153517010132E-9 8.466241502909095E-9 4.323648535225125E-10
i -4.659279971035209E-14 1.192050960339673E-13 -3.559365896147647E-10 -5.344918155469948E-10 4.323648535225125E-10 1.946474891139283E-10

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 16.9   n/a MPO427523  
diameter diameter 2.101 km 0.314 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.076   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

277406 (2005 UJ204)          Discovered 2005-Oct-25 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

[ show close-approach data ]
Alternate Designations
 2005 UJ204 = 2009 VY58 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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