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JPL Small-Body Database Browser
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212380 (2006 HQ55)
Classification: Main-belt Asteroid          SPK-ID: 2212380
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1373908616122221 4.7724e-08  
a 2.233257120871539 1.7209e-08 au
q 1.926428000833368 1.1161e-07 au
i 6.787956175227446 7.3517e-06 deg
node 180.8605728447109 4.2891e-05 deg
peri 88.09049642901076 5.279e-05 deg
M 272.9749629930216 3.3452e-05 deg
tp 2458895.178353027507
(2020-Feb-15.67835303)
0.00011508 TDB
period 1219.007894031643
3.34
1.409e-05
3.858e-08
d
yr
n .295322123640534 3.4135e-09 deg/d
Q 2.540086240909711 1.9573e-08 au
  Orbit Determination Parameters
   # obs. used (total)      356  
   data-arc span      7348 days (20.12 yr)  
   first obs. used      1999-02-16  
   last obs. used      2019-03-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58226  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 07:10:24  

Additional Information
 Earth MOID = .92483 au 
 Jupiter MOID = 2.55359 au 
 T_jup = 3.619 
[ 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 MPO427250  

212380 (2006 HQ55)          Discovered 2006-Apr-24 by LINEAR at Socorro
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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