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JPL Small-Body Database Browser
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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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1915044607551248 5.7655e-08  
a 2.672263992563281 4.0363e-08 au
q 2.160513517672113 1.6638e-07 au
i 12.28139955487896 8.8397e-06 deg
node 252.3866223675173 5.2843e-05 deg
peri 32.44236022544919 6.3891e-05 deg
M 4.498219228606065 3.6233e-05 deg
tp 2458980.563193969756
(2020-May-11.06319397)
0.00016052 TDB
period 1595.575894844072
4.37
3.615e-05
9.897e-08
d
yr
n .2256238648147671 5.1119e-09 deg/d
Q 3.18401446745445 4.8093e-08 au
  Orbit Determination Parameters
   # obs. used (total)      137  
   data-arc span      5690 days (15.58 yr)  
   first obs. used      2003-10-02  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67061  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:47:18  

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

[ 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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