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359296 (2009 HR49)
Classification: Main-belt Asteroid          SPK-ID: 2359296
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07017011406918237 9.5916e-08  
a 2.567875611442485 2.6397e-08 au
q 2.387687486872094 2.506e-07 au
i 9.657527451476344 7.1353e-06 deg
node 154.1201683937361 3.667e-05 deg
peri 355.6555003976843 7.6559e-05 deg
M 294.7074442640744 6.413e-05 deg
tp 2459273.096683907881
(2021-Feb-27.59668391)
0.00026831 TDB
period 1503.001454005589
4.11
2.3176e-05
6.345e-08
d
yr
n .2395207263709417 3.6933e-09 deg/d
Q 2.748063736012875 2.8249e-08 au
  Orbit Determination Parameters
   # obs. used (total)      199  
   data-arc span      5340 days (14.62 yr)  
   first obs. used      2005-04-13  
   last obs. used      2019-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51057  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 23:25:25  

Additional Information
 Earth MOID = 1.39858 au 
 Jupiter MOID = 2.23891 au 
 T_jup = 3.408 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.6   n/a MPO503415  

359296 (2009 HR49)          Discovered 2009-Apr-21 by Spacewatch at Kitt Peak
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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