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233789 (2008 UH22)
Classification: Main-belt Asteroid          SPK-ID: 2233789
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07248811466642301 7.1171e-08  
a 2.736238955475637 2.528e-08 au
q 2.537894152316385 2.037e-07 au
i 1.997584182313457 7.8742e-06 deg
node 27.89576719545863 0.00013389 deg
peri 32.49657009538256 0.00014048 deg
M 175.2454481386268 4.4932e-05 deg
tp 2458195.726430403277
(2018-Mar-18.22643040)
0.00020015 TDB
period 1653.215465120899
4.53
2.2911e-05
6.273e-08
d
yr
n .2177574596870065 3.0178e-09 deg/d
Q 2.934583758634888 2.7112e-08 au
  Orbit Determination Parameters
   # obs. used (total)      263  
   data-arc span      7526 days (20.61 yr)  
   first obs. used      1999-11-15  
   last obs. used      2020-06-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53812  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 01:51:30  

Additional Information
 Earth MOID = 1.55062 au 
 Jupiter MOID = 2.28729 au 
 T_jup = 3.347 
[ 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 16.6   n/a MPO237125  

233789 (2008 UH22)          Discovered 2008-Oct-19 by Spacewatch at Kitt Peak
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

[ show close-approach data ]
Alternate Designations
 2008 UH22 = 2006 HZ115 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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