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JPL Small-Body Database Browser
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344731 (2003 UM137)
Classification: Main-belt Asteroid          SPK-ID: 2344731
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2300878641669288 1.037e-07  
a 2.667630786888594 2.3252e-08 au
q 2.053841316747453 2.821e-07 au
i 2.520355498379039 1.0028e-05 deg
node 214.9556112182794 0.00013881 deg
peri 153.3705052666856 0.00014037 deg
M 213.4401941944986 1.5163e-05 deg
tp 2459248.387182832755
(2021-Feb-02.88718283)
6.9758e-05 TDB
period 1591.428049033597
4.36
2.0807e-05
5.697e-08
d
yr
n .2262119234473791 2.9576e-09 deg/d
Q 3.281420257029734 2.8602e-08 au
  Orbit Determination Parameters
   # obs. used (total)      140  
   data-arc span      5275 days (14.44 yr)  
   first obs. used      2003-09-27  
   last obs. used      2018-03-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49498  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:58:02  

Additional Information
 Earth MOID = 1.0526 au 
 Jupiter MOID = 2.18468 au 
 T_jup = 3.343 
[ 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 17.5   n/a MPO440551  

344731 (2003 UM137)          Discovered 2003-Sep-27 by Spacewatch at Kitt Peak
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

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