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9051 (1991 UG3)
Classification: Main-belt Asteroid          SPK-ID: 2009051
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2148959044142698 6.1766e-08  
a 2.402314008794286 1.5921e-08 AU
q 1.886066567187368 1.4929e-07 AU
i 3.004440159495026 5.8269e-06 deg
node 318.1637651801605 0.00012539 deg
peri 45.55055644937464 0.00012599 deg
M 43.20016832811981 1.7074e-05 deg
tp 2456637.297793595507
(2013-Dec-10.79779360)
6.3478e-05 JED
period 1360.013087434528
3.72
1.352e-05
3.702e-08
d
yr
n .2647033350826711 2.6314e-09 deg/d
Q 2.918561450401204 1.9342e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      992  
   data-arc span      15620 days (42.77 yr)  
   first obs. used      1971-04-16  
   last obs. used      2014-01-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55445  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Feb-19 18:10:26  

Additional Information
 Earth MOID = .883771 AU 
 T_jup = 3.491 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.9 mag n/a MPO266006  

9051 (1991 UG3)          Discovered 1991-Oct-31 by Ueda, S., Kaneda, H. at Kushiro (399)
Reference: 19980808/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1991 UG3 = 1950 TY3 = 1989 CY5 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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