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JPL Small-Body Database Browser
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305962 (2009 HG50)
Classification: Main-belt Asteroid          SPK-ID: 2305962
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1089717267490325 1.132e-07  
a 2.561313368729358 2.8019e-08 au
q 2.282202628193538 2.9704e-07 au
i 4.926968212155163 1.4929e-05 deg
node 170.5307957533139 8.7552e-05 deg
peri 315.03902667811 0.0001439 deg
M 318.4535435390237 0.00010543 deg
tp 2459173.292142192882
(2020-Nov-19.79214219)
0.0004385 TDB
period 1497.243723971147
4.10
2.4568e-05
6.726e-08
d
yr
n .2404418160092 3.9453e-09 deg/d
Q 2.840424109265177 3.1072e-08 au
  Orbit Determination Parameters
   # obs. used (total)      135  
   data-arc span      5793 days (15.86 yr)  
   first obs. used      2003-12-22  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62168  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 21:14:33  

Additional Information
 Earth MOID = 1.30043 au 
 Jupiter MOID = 2.21102 au 
 T_jup = 3.421 
[ 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 17.4   n/a MPO503303  

305962 (2009 HG50)          Discovered 2009-Apr-21 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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