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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 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1970676192855345 7.7414e-08  
a 2.566274460772032 1.6242e-08 au
q 2.060544862354419 2.0632e-07 au
i 3.393561358978216 4.7996e-06 deg
node 250.129150588736 0.00010813 deg
peri 69.52248083326494 0.0001092 deg
M 115.2426737806148 1.1912e-05 deg
tp 2456919.811308806287
(2014-Sep-19.31130881)
4.9687e-05 JED
period 1501.595920615001
4.11
1.4255e-05
3.903e-08
d
yr
n .2397449240888699 2.276e-09 deg/d
Q 3.072004059189646 1.9443e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1156  
   data-arc span      30417 days (83.28 yr)  
   first obs. used      1932-09-08  
   last obs. used      2015-12-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .59145  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 13:24:46  

Additional Information
 Earth MOID = 1.04858 au 
 Jupiter MOID = 2.23667 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 13.8 mag n/a MPO347633  

13611 (1994 UM1)          Discovered 1994-Oct-25 by Ueda, S., Kaneda, H. at Kushiro
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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