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JPL Small-Body Database Browser
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160908 (2001 UM138)
Classification: Main-belt Asteroid          SPK-ID: 2160908
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06726721678857214 1.1191e-07  
a 2.1616665734076 1.2539e-08 au
q 2.016257279389581 2.4358e-07 au
i 5.359173452514529 1.0258e-05 deg
node 43.06049580253632 4.4053e-05 deg
peri 198.2415483704521 6.0826e-05 deg
M 328.5763741823675 4.4418e-05 deg
tp 2458701.829355708815
(2019-Aug-06.32935571)		 0.00014321 TDB
period 1160.864384870076
3.18		 1.0101e-05
2.766e-08		 d
yr
n .3101137434242943 2.6983e-09 deg/d
Q 2.30707586742562 1.3382e-08 au
   Orbit Determination Parameters
   # obs. used (total)      335  
   data-arc span      6974 days (19.09 yr)  
   first obs. used      2000-04-06  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62022  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 07:33:29  

Additional Information
 Earth MOID = 1.00447 au 
 Jupiter MOID = 2.68169 au 
 T_jup = 3.688 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.0   n/a MPO433028  

160908 (2001 UM138)          Discovered 2001-Oct-23 by LINEAR at Socorro
Reference: 20070828/Numbers.arcLast Updated: 2007-08-30

Alternate Designations
 2001 UM138 = 2001 SZ168 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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