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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1972165976962695 8.606e-08  
a 2.566903633631126 1.8446e-08 AU
q 2.060667632392204 2.3025e-07 AU
i 3.393200232524686 5.0482e-06 deg
node 250.133611809795 0.00011784 deg
peri 69.57808380458769 0.00011894 deg
M 19.28907116596669 1.2818e-05 deg
tp 2456920.013769398446
(2014-Sep-19.51376940)
5.3511e-05 JED
period 1502.148173297345
4.11
1.6192e-05
4.433e-08
d
yr
n .2396567837976789 2.5833e-09 deg/d
Q 3.073139634870047 2.2084e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1019  
   data-arc span      29926 days (81.93 yr)  
   first obs. used      1932-09-08  
   last obs. used      2014-08-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5721  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-12 14:02:05  

Additional Information
 Earth MOID = 1.0515 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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