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JPL Small-Body Database Browser
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410789 (2009 HT22)
Classification: Main-belt Asteroid          SPK-ID: 2410789
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .159782482123991 5.3283e-08  
a 2.671979035631121 2.7779e-08 au
q 2.245043593134712 1.4305e-07 au
i 14.52080741757058 5.3157e-06 deg
node 185.7676259472868 2.2818e-05 deg
peri 109.78135682 3.2382e-05 deg
M 41.47690101335679 2.1318e-05 deg
tp 2458416.697338482644
(2018-Oct-25.19733848)
9.3272e-05 TDB
period 1595.32068523971
4.37
2.4878e-05
6.811e-08
d
yr
n .2256599587348214 3.519e-09 deg/d
Q 3.098914478127529 3.2217e-08 au
  Orbit Determination Parameters
   # obs. used (total)      142  
   data-arc span      7123 days (19.50 yr)  
   first obs. used      2000-05-04  
   last obs. used      2019-11-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56141  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-05 01:13:02  

Additional Information
 Earth MOID = 1.27746 au 
 Jupiter MOID = 2.27749 au 
 T_jup = 3.317 
[ 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 MPO503517  

410789 (2009 HT22)          Discovered 2009-Mar-02 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-10-09
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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