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180251 (2003 UM283)
Classification: Main-belt Asteroid          SPK-ID: 2180251
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1843941502845801 3.1809e-08  
a 2.309808792168806 8.485e-09 au
q 1.883893562616986 7.5525e-08 au
i 5.223961219538023 4.0479e-06 deg
node 331.4069317382647 3.837e-05 deg
peri 102.8004591351891 4.0436e-05 deg
M 299.6617893040271 1.3146e-05 deg
tp 2459415.407908953215
(2021-Jul-19.90790895)
4.7497e-05 TDB
period 1282.219779651522
3.51
7.0653e-06
1.934e-08
d
yr
n .2807630998313251 1.5471e-09 deg/d
Q 2.735724021720625 1.005e-08 au
  Orbit Determination Parameters
   # obs. used (total)      517  
   data-arc span      9683 days (26.51 yr)  
   first obs. used      1994-03-14  
   last obs. used      2020-09-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50144  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 09:07:38  

Additional Information
 Earth MOID = .90662 au 
 Jupiter MOID = 2.53992 au 
 T_jup = 3.557 
[ 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 16.80   n/a E2021B55  

180251 (2003 UM283)          Discovered 2003-Oct-30 by LINEAR at Socorro
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

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