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JPL Small-Body Database Browser
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216258 (2006 WH1)
Classification: Apollo [NEO, PHA]          SPK-ID: 2216258
[ 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.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 68 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4852194273123082 9.3038e-08  
a 1.673465792072114 6.5522e-10 au
q .8614676788161447 1.5567e-07 au
i 2.642605983573226 7.5355e-06 deg
node 240.6189162143853 5.8896e-05 deg
peri 263.2561840581614 6.451e-05 deg
M 233.730427890176 5.3928e-06 deg
tp 2458877.844714482972
(2020-Jan-29.34471448)		 1.1882e-05 TDB
period 790.721751452755
2.16		 4.6439e-07
1.271e-09		 d
yr
n .4552802541963584 2.6739e-10 deg/d
Q 2.485463905328083 9.7315e-10 au
   Orbit Determination Parameters
   # obs. used (total)      873  
   # delay obs. used      2  
   # Doppler obs. used      0  
   data-arc span      4808 days (13.16 yr)  
   first obs. used      2006-10-23  
   last obs. used      2019-12-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .28547  
   source      ORB  
   producer      Giorgini  
   solution date      2020-Jan-22 16:51:25  

Additional Information
 Earth MOID = .0235277 au 
 Jupiter MOID = 2.5517 au 
 T_jup = 4.100 
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[ 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 20.2   n/a MPO157892  
rotation period rot_per 7.30 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Warner, B.D. (2007) Minor Planet Bull. 34, 32-37.]

216258 (2006 WH1)          Discovered 2006-Nov-18 by La Sagra at La Sagra
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

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[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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