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308730 (2006 HR44)
Classification: Main-belt Asteroid          SPK-ID: 2308730
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09571085074427775 3.4211e-08  
a 2.375545030191303 1.535e-08 au
q 2.148179594370353 8.0859e-08 au
i 6.935765400150448 5.2194e-06 deg
node 55.13310094231002 3.8148e-05 deg
peri 234.3438515501161 4.9113e-05 deg
M 253.0378418638848 3.2026e-05 deg
tp 2459397.847956500201
(2021-Jul-02.34795650)
0.00012026 TDB
period 1337.344597685093
3.66
1.2963e-05
3.549e-08
d
yr
n .2691901553445165 2.6092e-09 deg/d
Q 2.602910466012254 1.682e-08 au
  Orbit Determination Parameters
   # obs. used (total)      325  
   data-arc span      6587 days (18.03 yr)  
   first obs. used      2002-04-16  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56149  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 20:14:21  

Additional Information
 Earth MOID = 1.14053 au 
 Jupiter MOID = 2.51819 au 
 T_jup = 3.526 
[ 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 16.7   n/a MPO418605  

308730 (2006 HR44)          Discovered 2006-Apr-24 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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