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305966 (2009 HR58)
Classification: Main-belt Asteroid          SPK-ID: 2305966
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09991682663349291 5.5982e-08  
a 2.788823608464901 4.4439e-08 au
q 2.510173203466522 1.5947e-07 au
i 9.878706930584565 6.4092e-06 deg
node 118.3162523592462 3.769e-05 deg
peri 345.05791649329 5.1188e-05 deg
M 236.3531006494854 3.5689e-05 deg
tp 2459584.766149836174
(2022-Jan-05.26614984)
0.0001707 TDB
period 1701.100594077675
4.66
4.0659e-05
1.113e-07
d
yr
n .2116276963592442 5.0583e-09 deg/d
Q 3.067474013463281 4.8879e-08 au
  Orbit Determination Parameters
   # obs. used (total)      171  
   data-arc span      6495 days (17.78 yr)  
   first obs. used      2000-06-05  
   last obs. used      2018-03-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52701  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Apr-05 16:26:29  

Additional Information
 Earth MOID = 1.52832 au 
 Jupiter MOID = 2.04978 au 
 T_jup = 3.301 
[ 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 16.4   n/a MPO437358  

305966 (2009 HR58)          Discovered 2009-Apr-23 by Hobart, J. at Kachina
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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