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JPL Small-Body Database Browser
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233813 (2008 UM167)
Classification: Main-belt Asteroid          SPK-ID: 2233813
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .095767420618651 6.5513e-08  
a 2.816370748175591 3.3003e-08 au
q 2.546654186116994 1.8807e-07 au
i 2.886744379907728 8.8153e-06 deg
node 177.0752543479483 0.00010843 deg
peri 140.6062277760306 0.000116 deg
M 238.6446507511111 3.8419e-05 deg
tp 2459582.455246656897
(2022-Jan-02.95524666)
0.00018342 TDB
period 1726.367153101832
4.73
3.0345e-05
8.308e-08
d
yr
n .2085303808944544 3.6654e-09 deg/d
Q 3.086087310234187 3.6164e-08 au
  Orbit Determination Parameters
   # obs. used (total)      161  
   data-arc span      5984 days (16.38 yr)  
   first obs. used      2003-09-16  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57855  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 07:24:28  

Additional Information
 Earth MOID = 1.53421 au 
 Jupiter MOID = 2.16034 au 
 T_jup = 3.310 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456922.5 (2014-Sep-22.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09359718117323682 6.451e-08  
q 2.55700691625471 1.8414e-07 au
tp 2456120.132024734560
(2012-Jul-11.63202473)
0.0002027 TDB
node 177.1622232561513 0.00010881 deg
peri 139.3645176945572 0.00011682 deg
i 2.878856923463754 8.7994e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      161  
   data-arc span      5984 days (16.38 yr)  
   first obs. used      2003-09-16  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57855  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 07:24:28  

Additional Information
 Jupiter MOID = 2.16034 au 
 T_jup = 3.310 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.16155561928069E-15 -1.172093927857614E-14 5.780687378568057E-12 -4.439681702817075E-15 1.244038586958133E-12 1.028637667214136E-15
q -1.172093927857614E-14 3.390595047470732E-14 -1.82687540208043E-11 8.252926721330709E-15 -3.830007683459133E-12 -3.395362794422352E-15
tp 5.780687378568057E-12 -1.82687540208043E-11 4.108918468579291E-8 -2.246600067417193E-11 8.615555222903469E-9 5.232048563152839E-12
node -4.439681702817075E-15 8.252926721330709E-15 -2.246600067417193E-11 1.183879639519783E-8 -1.182914959280217E-8 4.343714602889927E-11
peri 1.244038586958133E-12 -3.830007683459133E-12 8.615555222903469E-9 -1.182914959280217E-8 1.364710371499317E-8 -4.238899554620852E-11
i 1.028637667214136E-15 -3.395362794422352E-15 5.232048563152839E-12 4.343714602889927E-11 -4.238899554620852E-11 7.743018960245783E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.4   n/a MPO427344  

233813 (2008 UM167)          Discovered 2008-Oct-24 by Spacewatch at Kitt Peak
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

Alternate Designations
 2008 UM167 = 2006 GR33 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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