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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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3036953099678125 8.1355e-08  
a 2.594145408621963 1.5892e-08 au
q 1.806315614648938 2.1536e-07 au
i .583015305133306 6.7342e-06 deg
node 78.17814703052183 0.00084011 deg
peri 331.1004314605863 0.00084039 deg
M 296.8906856805888 1.5383e-05 deg
tp 2459268.035157175256
(2021-Feb-22.53515718)
6.574e-05 TDB
period 1526.124275342799
4.18
1.4024e-05
3.84e-08
d
yr
n .2358916674195073 2.1677e-09 deg/d
Q 3.381975202594987 2.0719e-08 au
  Orbit Determination Parameters
   # obs. used (total)      170  
   data-arc span      10069 days (27.57 yr)  
   first obs. used      1991-11-03  
   last obs. used      2019-05-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52964  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:32:57  

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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