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JPL Small-Body Database Browser
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268699 (2006 HW4)
Classification: Main-belt Asteroid          SPK-ID: 2268699
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .008523304854032418 1.2816e-07  
a 2.910534359383669 3.4814e-08 au
q 2.885726987750506 3.7223e-07 au
i 2.378928750060329 1.6462e-05 deg
node 156.1210109966039 0.00028448 deg
peri 264.2040165152672 0.0010366 deg
M 353.2643403853335 0.00099422 deg
tp 2458634.434007697533
(2019-May-30.93400770)
0.0050088 TDB
period 1813.666881935617
4.97
3.2541e-05
8.909e-08
d
yr
n .198492900535182 3.5614e-09 deg/d
Q 2.935341731016832 3.5111e-08 au
  Orbit Determination Parameters
   # obs. used (total)      213  
   data-arc span      6836 days (18.72 yr)  
   first obs. used      2001-03-19  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64477  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 17:27:46  

Additional Information
 Earth MOID = 1.89412 au 
 Jupiter MOID = 2.06157 au 
 T_jup = 3.282 
[ 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 16.1   n/a MPO454997  

268699 (2006 HW4)          Discovered 2006-Apr-19 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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