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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1089785495254862 1.1443e-07  
a 2.560567901389977 2.8452e-08 au
q 2.281520925534979 3.0058e-07 au
i 4.927539668687418 1.5129e-05 deg
node 170.5364370158043 8.7698e-05 deg
peri 315.1988598519087 0.00014546 deg
M 222.08628090015 0.00010692 deg
tp 2459173.834190877221
(2020-Nov-20.33419088)
0.00044409 TDB
period 1496.590114913551
4.10
2.4944e-05
6.829e-08
d
yr
n .240546824686728 4.0093e-09 deg/d
Q 2.839614877244975 3.1553e-08 au
  Orbit Determination Parameters
   # obs. used (total)      131  
   data-arc span      5790 days (15.85 yr)  
   first obs. used      2003-12-22  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62083  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 07:41:51  

Additional Information
 Earth MOID = 1.30009 au 
 Jupiter MOID = 2.21289 au 
 T_jup = 3.422 
[ 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 17.6   n/a MPO408206  

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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