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344720 (2003 UJ76)
Classification: Main-belt Asteroid          SPK-ID: 2344720
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1915044244504358 5.4946e-08  
a 2.672263994541672 3.2924e-08 au
q 2.160513616287346 1.5301e-07 au
i 12.28140945434733 5.5555e-06 deg
node 252.3865847145006 3.1744e-05 deg
peri 32.44239012383278 4.2583e-05 deg
M 4.498227051147242 2.2166e-05 deg
tp 2458980.563159276899
(2020-May-11.06315928)
9.8473e-05 TDB
period 1595.575896615981
4.37
2.9488e-05
8.073e-08
d
yr
n .2256238645642087 4.1697e-09 deg/d
Q 3.184014372795997 3.9229e-08 au
  Orbit Determination Parameters
   # obs. used (total)      204  
   data-arc span      6146 days (16.83 yr)  
   first obs. used      2003-10-02  
   last obs. used      2020-07-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62251  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 21:38:23  

Additional Information
 Earth MOID = 1.15455 au 
 Jupiter MOID = 1.98091 au 
 T_jup = 3.322 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457926.5 (2017-Jun-22.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1905746907526555 5.4995e-08  
q 2.162689623474837 1.5301e-07 au
tp 2457386.189152590288
(2015-Dec-29.68915259)
0.00011984 TDB
node 252.3854643587697 3.1734e-05 deg
peri 32.56276321190832 4.2674e-05 deg
i 12.28247066500795 5.5553e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      204  
   data-arc span      6146 days (16.83 yr)  
   first obs. used      2003-10-02  
   last obs. used      2020-07-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62251  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 21:38:23  

Additional Information
 Jupiter MOID = 1.98091 au 
 T_jup = 3.322 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.024395187070106E-15 -8.287996210966114E-15 1.895512888192577E-12 2.614264837627836E-14 3.73393987463871E-13 -1.10228712134291E-14
q -8.287996210966114E-15 2.341303649515022E-14 -7.512810726455359E-12 -6.971136329569168E-14 -1.549907758795785E-12 3.476103922134297E-14
tp 1.895512888192577E-12 -7.512810726455359E-12 1.436251053255511E-8 2.591788998795843E-11 3.455971067863179E-9 -2.921333348592328E-11
node 2.614264837627836E-14 -6.971136329569168E-14 2.591788998795843E-11 1.00706115341484E-9 -9.784074279586914E-10 2.951905208064869E-11
peri 3.73393987463871E-13 -1.549907758795785E-12 3.455971067863179E-9 -9.784074279586914E-10 1.821038837440639E-9 -3.544451249669471E-11
i -1.10228712134291E-14 3.476103922134297E-14 -2.921333348592328E-11 2.951905208064869E-11 -3.544451249669471E-11 3.086156367752652E-11

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 16.3   n/a MPO434169  
diameter diameter 3.480 km 0.218 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.064   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

344720 (2003 UJ76)          Discovered 2003-Oct-17 by LONEOS at Anderson Mesa
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

[ show close-approach data ]
Alternate Designations
 2003 UJ76 = 2008 YY111 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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