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359298 (2009 HL78)
Classification: Main-belt Asteroid          SPK-ID: 2359298
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09011527021293074 7.0667e-08  
a 2.704266376264171 3.519e-08 au
q 2.460570681039382 1.7709e-07 au
i 5.169137536905821 7.8512e-06 deg
node 169.130392210349 7.2364e-05 deg
peri 99.28883459210959 8.5659e-05 deg
M 124.0789366396474 4.7372e-05 deg
tp 2458440.654500252583
(2018-Nov-18.15450025)
0.00021225 TDB
period 1624.323880969413
4.45
3.1705e-05
8.68e-08
d
yr
n .2216306761340898 4.326e-09 deg/d
Q 2.947962071488959 3.8361e-08 au
  Orbit Determination Parameters
   # obs. used (total)      119  
   data-arc span      7091 days (19.41 yr)  
   first obs. used      2000-05-04  
   last obs. used      2019-10-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62449  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 11:15:44  

Additional Information
 Earth MOID = 1.45128 au 
 Jupiter MOID = 2.12676 au 
 T_jup = 3.354 
[ 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 16.8   n/a MPO450333  

359298 (2009 HL78)          Discovered 2009-Apr-24 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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