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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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1930-Jul-28 22:15 00:05 Jupiter 1.99169547542668 1.99169391799984 1.9916970328962 3.77102107801104 3.65650731309271 2426186.426972296 5.01265224376771 542.559047675948 41.852245789859 82.4065913671164 1836387.49395488 T 12 CATAB v2.0e-lin.ifort 2019-Jul-14 11:47:20 2019-Jul-14 11:47
2013-Jul-23 20:15 < 00:01 Jupiter 1.99047028214043 1.9904696825232 1.99047088175789 3.77810630285009 3.6637425474861 2456497.343838485 0.366806318767985 234.071941785473 26.0248636409041 -89.9311977180134 2188497.02867396 T 12 CATAB v2.0e-lin.ifort 2019-Jul-14 11:47:20 2019-Jul-14 11:47
2096-Jul-18 00:26 00:05 Jupiter 1.98767604079327 1.98767497432715 1.98767710729532 3.78791515968996 3.67369392368068 2486807.518132495 4.84446837607953 559.692758796365 34.8890638114989 85.368552006131 1745828.70480449 T 12 CATAB v2.0e-lin.ifort 2019-Jul-14 11:47:20 2019-Jul-14 11:47
2179-Jul-14 05:51 00:10 Jupiter 1.98193448258427 1.98193296433509 1.98193600101962 3.79479721832872 3.68045414633831 2517117.743852815 9.7470187363734 1094.69137994798 34.7431275400512 85.7358421550594 1660726.20214349 T 12 CATAB v2.0e-lin.ifort 2019-Jul-14 11:47:20 2019-Jul-14 11:47

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