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JPL Small-Body Database Browser
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324822 (2007 HQ84)
Classification: Main-belt Asteroid          SPK-ID: 2324822
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 .05074377141602366 6.4227e-08  
a 2.910195082716782 3.9167e-08 au
q 2.762520808663365 1.9038e-07 au
i 12.16817316227304 7.4076e-06 deg
node 205.8212677153381 3.3081e-05 deg
peri 79.98878058169036 7.9263e-05 deg
M 97.61529404888725 7.2997e-05 deg
tp 2458108.803692583380
(2017-Dec-21.30369258)
0.00036698 TDB
period 1813.349766495948
4.96
3.6608e-05
1.002e-07
d
yr
n .1985276126269071 4.0079e-09 deg/d
Q 3.057869356770198 4.1155e-08 au
  Orbit Determination Parameters
   # obs. used (total)      171  
   data-arc span      9696 days (26.55 yr)  
   first obs. used      1992-04-27  
   last obs. used      2018-11-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56399  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 09:12:56  

Additional Information
 Earth MOID = 1.77919 au 
 Jupiter MOID = 2.0188 au 
 T_jup = 3.248 
[ 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 15.9   n/a MPO455395  

324822 (2007 HQ84)          Discovered 2007-Apr-22 by Spacewatch at Kitt Peak
Reference: 20120406/Numbers.arcLast Updated: 2012-04-09

Alternate Designations
 2007 HQ84 = 2004 TT112 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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