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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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09576742155662533 6.5421e-08  
a 2.816370752790308 2.9273e-08 au
q 2.546654187648088 1.8802e-07 au
i 2.886744470574872 8.8036e-06 deg
node 177.0752288669838 0.00010027 deg
peri 140.6062480362039 0.00010711 deg
M 238.6446543724441 3.6616e-05 deg
tp 2459582.455230721253
(2022-Jan-02.95523072)
0.00017617 TDB
period 1726.367157344897
4.73
2.6915e-05
7.369e-08
d
yr
n .2085303803819285 3.2511e-09 deg/d
Q 3.086087317932527 3.2076e-08 au
  Orbit Determination Parameters
   # obs. used (total)      183  
   data-arc span      6062 days (16.60 yr)  
   first obs. used      2003-09-16  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57531  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 11:13:41  

Additional Information
 Earth MOID = 1.53421 au 
 Jupiter MOID = 2.16034 au 
 T_jup = 3.310 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457162.5 (2015-May-20.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09419627787416288 6.5019e-08  
q 2.553599481605406 1.8645e-07 au
tp 2457853.295263470932
(2017-Apr-09.79526347)
0.00017996 TDB
node 177.0884005411846 0.00010033 deg
peri 140.0238187284345 0.00010745 deg
i 2.884399927179397 8.7998e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      183  
   data-arc span      6062 days (16.60 yr)  
   first obs. used      2003-09-16  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57531  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 11:13:41  

Additional Information
 Jupiter MOID = 2.16034 au 
 T_jup = 3.310 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.22750008118287E-15 -1.199996374319847E-14 6.106565961774735E-12 -8.920797591199979E-15 1.332418622432538E-12 7.952588649168121E-16
q -1.199996374319847E-14 3.476496575230805E-14 -1.748483633733387E-11 2.339796217169307E-14 -3.87612157133459E-12 -1.790594068691928E-15
tp 6.106565961774735E-12 -1.748483633733387E-11 3.238515488247544E-8 -3.560706329284734E-11 6.927144260740112E-9 3.870075168917621E-12
node -8.920797591199979E-15 2.339796217169307E-14 -3.560706329284734E-11 1.006521134764389E-8 -1.005913324560188E-8 3.293343711785115E-11
peri 1.332418622432538E-12 -3.87612157133459E-12 6.927144260740112E-9 -1.005913324560188E-8 1.154492057052464E-8 -3.211920634017721E-11
i 7.952588649168121E-16 -1.790594068691928E-15 3.870075168917621E-12 3.293343711785115E-11 -3.211920634017721E-11 7.743621143479923E-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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