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JPL Small-Body Database Browser
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347220 (2011 HQ72)
Classification: Main-belt Asteroid          SPK-ID: 2347220
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2438637662338804 5.6543e-08  
a 2.619728857669968 3.6156e-08 au
q 1.980871911926989 1.4161e-07 au
i 14.9837504013476 6.2007e-06 deg
node 102.8457861314259 3.0067e-05 deg
peri 218.3353329158153 3.5482e-05 deg
M 351.976525596201 2.7289e-05 deg
tp 2459035.017784554759
(2020-Jul-04.51778455)
0.00011793 TDB
period 1548.755790113778
4.24
3.2062e-05
8.778e-08
d
yr
n .2324446515699888 4.8121e-09 deg/d
Q 3.258585803412948 4.4973e-08 au
  Orbit Determination Parameters
   # obs. used (total)      181  
   data-arc span      5833 days (15.97 yr)  
   first obs. used      2003-07-08  
   last obs. used      2019-06-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61216  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:33:21  

Additional Information
 Earth MOID = .987989 au 
 Jupiter MOID = 2.0966 au 
 T_jup = 3.316 
[ 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 16.1   n/a MPO437470  

347220 (2011 HQ72)          Discovered 2003-Jul-08 by NEAT at Palomar
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

Alternate Designations
 2011 HQ72 = 2003 QP90 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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