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277454 (2005 UT509)
Classification: Main-belt Asteroid          SPK-ID: 2277454
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 .2025392775564011 9.0755e-08  
a 2.580930489817099 2.2608e-08 au
q 2.058190692986255 2.3868e-07 au
i 4.665685461779051 1.124e-05 deg
node 345.3312354675172 5.2735e-05 deg
peri 145.6611274718769 6.2835e-05 deg
M 121.8140634906127 2.6426e-05 deg
tp 2458488.042540701510
(2019-Jan-04.54254070)
0.00011183 TDB
period 1514.47772170964
4.15
1.9899e-05
5.448e-08
d
yr
n .2377057086013843 3.1233e-09 deg/d
Q 3.103670286647942 2.7187e-08 au
  Orbit Determination Parameters
   # obs. used (total)      274  
   data-arc span      6378 days (17.46 yr)  
   first obs. used      2001-11-11  
   last obs. used      2019-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58685  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 08:07:19  

Additional Information
 Earth MOID = 1.07465 au 
 Jupiter MOID = 1.94958 au 
 T_jup = 3.391 
[ 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 16.7   n/a MPO423064  

277454 (2005 UT509)          Discovered 2005-Oct-22 by Spacewatch at Kitt Peak
Reference: 20110517/Numbers.arcLast Updated: 2011-05-20

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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