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JPL Small-Body Database Browser
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359800 (2011 UM238)
Classification: Main-belt Asteroid          SPK-ID: 2359800
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .037275583141681 5.243e-08  
a 2.410867439012527 2.3946e-08 au
q 2.321000949346044 1.3373e-07 au
i 8.380310560303229 5.6603e-06 deg
node 39.16984068325799 4.0405e-05 deg
peri 242.8597597921465 9.1578e-05 deg
M 229.3903932145033 8.3829e-05 deg
tp 2459496.556386383620
(2021-Oct-09.05638638)
0.00032043 TDB
period 1367.283031418892
3.74
2.0371e-05
5.577e-08
d
yr
n .2632958880696499 3.9228e-09 deg/d
Q 2.50073392867901 2.4839e-08 au
  Orbit Determination Parameters
   # obs. used (total)      121  
   data-arc span      6507 days (17.82 yr)  
   first obs. used      2002-04-08  
   last obs. used      2020-01-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62217  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 00:46:04  

Additional Information
 Earth MOID = 1.31822 au 
 Jupiter MOID = 2.52832 au 
 T_jup = 3.504 
[ 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 17.3   n/a MPO418820  

359800 (2011 UM238)          Discovered 2002-Apr-08 by NEAT at Palomar
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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