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JPL Small-Body Database Browser
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305558 (2008 UT304)
Classification: Main-belt Asteroid          SPK-ID: 2305558
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05545214087773204 7.3675e-08  
a 2.253213266749213 1.4803e-08 au
q 2.128267767253861 1.6959e-07 au
i 6.865925133282452 9.1704e-06 deg
node 181.3476813268496 4.9808e-05 deg
peri 235.6638474701803 8.6241e-05 deg
M 25.40683349974273 6.8593e-05 deg
tp 2458513.313364825193
(2019-Jan-29.81336483)
0.00023529 TDB
period 1235.383727108235
3.38
1.2174e-05
3.333e-08
d
yr
n .2914074324442347 2.8717e-09 deg/d
Q 2.378158766244565 1.5624e-08 au
  Orbit Determination Parameters
   # obs. used (total)      156  
   data-arc span      6313 days (17.28 yr)  
   first obs. used      2001-09-19  
   last obs. used      2019-01-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63705  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:37:40  

Additional Information
 Earth MOID = 1.14594 au 
 Jupiter MOID = 2.77845 au 
 T_jup = 3.614 
[ 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 17.4   n/a MPO460267  

305558 (2008 UT304)          Discovered 2008-Oct-29 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Alternate Designations
 2008 UT304 = 2001 SY236 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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