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346671 (2008 YH28)
Classification: Main-belt Asteroid          SPK-ID: 2346671
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 .3036952985730941 7.6265e-08  
a 2.594145402741184 1.5603e-08 au
q 1.806315640113681 2.0319e-07 au
i .5830124671912785 5.8828e-06 deg
node 78.17799322947826 0.00077214 deg
peri 331.1005875365277 0.0007724 deg
M 296.8906879990931 1.4608e-05 deg
tp 2459268.035146436844
(2021-Feb-22.53514644)
6.2637e-05 TDB
period 1526.124270153345
4.18
1.3768e-05
3.769e-08
d
yr
n .2358916682216365 2.1282e-09 deg/d
Q 3.381975165368687 2.0341e-08 au
  Orbit Determination Parameters
   # obs. used (total)      176  
   data-arc span      10495 days (28.73 yr)  
   first obs. used      1991-11-03  
   last obs. used      2020-07-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51985  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 21:42:02  

Additional Information
 Earth MOID = .816713 au 
 Jupiter MOID = 2.01478 au 
 T_jup = 3.351 
[ 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 17.2   n/a MPO440559  

346671 (2008 YH28)          Discovered 2008-Dec-29 by Lowe, A. at Mayhill
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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