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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1915044230714536 5.5852e-08  
a 2.672263995000556 3.4662e-08 au
q 2.160513620343357 1.5705e-07 au
i 12.28140706979009 6.9831e-06 deg
node 252.3865951901361 3.8494e-05 deg
peri 32.4423798610557 4.8623e-05 deg
M 4.498226955634758 2.4673e-05 deg
tp 2458980.563159695089
(2020-May-11.06315969)
0.00010951 TDB
period 1595.575897026972
4.37
3.1045e-05
8.5e-08
d
yr
n .2256238645060921 4.3899e-09 deg/d
Q 3.184014369657755 4.13e-08 au
  Orbit Determination Parameters
   # obs. used (total)      152  
   data-arc span      6101 days (16.70 yr)  
   first obs. used      2003-10-02  
   last obs. used      2020-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64479  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-24 06:04:10  

Additional Information
 Earth MOID = 1.15455 au 
 Jupiter MOID = 1.98091 au 
 T_jup = 3.322 
[ show covariance matrix ]

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

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