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13611 (1994 UM1)
Classification: Main-belt Asteroid          SPK-ID: 2013611
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .197266030018759 8.6107e-08  
a 2.567050904197124 1.8601e-08 AU
q 2.060658963470092 2.303e-07 AU
i 3.393311420410413 5.1143e-06 deg
node 250.1383497190183 0.0001191 deg
peri 69.59249111326888 0.00012019 deg
M 331.3477486605507 1.3037e-05 deg
tp 2456920.065641800475
(2014-Sep-19.56564180)
5.4372e-05 JED
period 1502.277448924487
4.11
1.6328e-05
4.47e-08
d
yr
n .2396361605891986 2.6046e-09 deg/d
Q 3.073442844924156 2.227e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      998  
   data-arc span      29886 days (81.82 yr)  
   first obs. used      1932-09-08  
   last obs. used      2014-07-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5775  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:30:54  

Additional Information
 Earth MOID = 1.04961 AU 
 T_jup = 3.402 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.7 mag n/a PDS3 (MPC 38346)  

13611 (1994 UM1)          Discovered 1994-Oct-25 by Ueda, S., Kaneda, H. at Kushiro (399)
Reference: 20000222/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1994 UM1 = 1932 RJ = 1986 WF2 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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