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(2009 UM1)
Classification: Aten [NEO]          SPK-ID: 3471689
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2455124.5 (2009-Oct-20.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5959946522087277 0.0057156  
a .9613468834927592 0.0021009 au
q .3883892820135479 0.0046465 au
i 8.728749191886619 0.16703 deg
node 193.6328369017277 0.08284 deg
peri 334.0706307608919 0.030542 deg
M 278.6003737041517 0.63215 deg
tp 2455202.346397815176
(2010-Jan-05.84639782)
0.34942 TDB
period 344.2854038617707
0.94
1.1286
0.00309
d
yr
n 1.045644096328111 0.0034277 deg/d
Q 1.53430448497197 0.003353 au
  Orbit Determination Parameters
   # obs. used (total)      25  
   data-arc span      7 days  
   first obs. used      2009-10-17  
   last obs. used      2009-10-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      8  
   norm. resid. RMS      .67087  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 03:04:10  

Additional Information
 Earth MOID = .0629388 au 
 Jupiter MOID = 3.44229 au 
 T_jup = 6.095 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 23.4   n/a MPO164411  

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