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JPL Small-Body Database Browser
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212378 (2006 HW43)
Classification: Main-belt Asteroid          SPK-ID: 2212378
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08878987990234213 4.212e-08  
a 2.146204711558938 1.1029e-08 au
q 1.955643452973779 8.8454e-08 au
i 2.253781270222145 5.384e-06 deg
node 28.36271383903441 0.00013239 deg
peri 258.168043031767 0.00013741 deg
M 355.9199983252547 3.5711e-05 deg
tp 2458613.515563740713
(2019-May-10.01556374)
0.0001139 TDB
period 1148.431623364268
3.14
8.8523e-06
2.424e-08
d
yr
n .3134709918082885 2.4163e-09 deg/d
Q 2.336765970144096 1.2008e-08 au
  Orbit Determination Parameters
   # obs. used (total)      468  
   data-arc span      9679 days (26.50 yr)  
   first obs. used      1993-02-26  
   last obs. used      2019-08-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58902  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:03:06  

Additional Information
 Earth MOID = .940177 au 
 Jupiter MOID = 2.76056 au 
 T_jup = 3.703 
[ 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 16.8   n/a MPO437020  
rotation period rot_per 5.138 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

212378 (2006 HW43)          Discovered 2006-Apr-24 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

Alternate Designations
 2006 HW43 = 2004 XW100 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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