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JPL Small-Body Database Browser
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226676 (2004 HQ28)
Classification: Main-belt Asteroid          SPK-ID: 2226676
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ 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 .1017438877655363 5.4253e-08  
a 2.321822486267604 1.7653e-08 au
q 2.085591239813295 1.2499e-07 au
i 6.082478004939262 7.1395e-06 deg
node 79.04416072460624 5.3896e-05 deg
peri 110.1407758598954 6.4434e-05 deg
M 114.6541141046196 3.4827e-05 deg
tp 2458188.943856976429
(2018-Mar-11.44385698)
0.00012366 TDB
period 1292.236328766121
3.54
1.4738e-05
4.035e-08
d
yr
n .278586812633369 3.1772e-09 deg/d
Q 2.558053732721914 1.9449e-08 au
  Orbit Determination Parameters
   # obs. used (total)      274  
   data-arc span      6167 days (16.88 yr)  
   first obs. used      2001-07-18  
   last obs. used      2018-06-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57131  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 18:26:03  

Additional Information
 Earth MOID = 1.0949 au 
 Jupiter MOID = 2.41303 au 
 T_jup = 3.563 
[ show covariance matrix ]

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 16.9   n/a MPO440184  

226676 (2004 HQ28)          Discovered 2004-Apr-20 by LINEAR at Socorro
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

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