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JPL Small-Body Database Browser
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312562 (2009 HQ1)
Classification: Main-belt Asteroid          SPK-ID: 2312562
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1356961532860661 7.6685e-08  
a 2.335675063250829 2.0296e-08 au
q 2.018732941841503 1.8657e-07 au
i 3.163886541217571 5.5714e-06 deg
node 69.45390268876488 0.00013806 deg
peri 114.7212956354667 0.00013976 deg
M 306.1176461138508 2.2327e-05 deg
tp 2458795.646659763497
(2019-Nov-08.14665976)
8.1978e-05 TDB
period 1303.818271623758
3.57
1.6995e-05
4.653e-08
d
yr
n .2761120992357784 3.599e-09 deg/d
Q 2.652617184660156 2.305e-08 au
  Orbit Determination Parameters
   # obs. used (total)      171  
   data-arc span      6087 days (16.67 yr)  
   first obs. used      2002-05-10  
   last obs. used      2019-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59689  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:11:05  

Additional Information
 Earth MOID = 1.02339 au 
 Jupiter MOID = 2.30697 au 
 T_jup = 3.553 
[ 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 17.2   n/a MPO471272  

312562 (2009 HQ1)          Discovered 2009-Apr-17 by CSS at Catalina
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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