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389100 (2008 YQ8)
Classification: Main-belt Asteroid          SPK-ID: 2389100
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .113661839871948 1.116e-07  
a 2.644555893607532 4.1194e-08 au
q 2.343970805095897 3.0931e-07 au
i 7.542378453210879 9.7458e-06 deg
node 84.15192185548879 6.676e-05 deg
peri 331.6504509177296 7.7869e-05 deg
M 271.5290801819364 4.4928e-05 deg
tp 2459386.534033251125
(2021-Jun-21.03403325)
0.00020255 TDB
period 1570.82408836932
4.30
3.6703e-05
1.005e-07
d
yr
n .2291790676406788 5.3548e-09 deg/d
Q 2.945140982119168 4.5876e-08 au
  Orbit Determination Parameters
   # obs. used (total)      120  
   data-arc span      5759 days (15.77 yr)  
   first obs. used      2003-09-24  
   last obs. used      2019-07-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .68221  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:05:39  

Additional Information
 Earth MOID = 1.35929 au 
 Jupiter MOID = 2.36581 au 
 T_jup = 3.372 
[ 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 16.7   n/a MPO437592  

389100 (2008 YQ8)          Discovered 2008-Dec-25 by Lowe, A. at Mayhill
Reference: Last Updated: 2014-03-21
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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