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359294 (2009 HS45)
Classification: Main-belt Asteroid          SPK-ID: 2359294
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1912192784871569 6.3566e-08  
a 2.774893135655387 2.4017e-08 au
q 2.244280072376399 1.703e-07 au
i 4.538401125777442 6.0696e-06 deg
node 92.35066073215515 0.0001102 deg
peri 158.1665082511031 0.0001129 deg
M 116.1319559838673 2.3676e-05 deg
tp 2458455.850560767748
(2018-Dec-03.35056077)
0.00010967 TDB
period 1688.370754306838
4.62
2.1919e-05
6.001e-08
d
yr
n .2132233095614111 2.7682e-09 deg/d
Q 3.305506198934375 2.8609e-08 au
  Orbit Determination Parameters
   # obs. used (total)      118  
   data-arc span      8908 days (24.39 yr)  
   first obs. used      1995-04-04  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61645  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:44:32  

Additional Information
 Earth MOID = 1.23081 au 
 Jupiter MOID = 1.73935 au 
 T_jup = 3.304 
[ 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 16.7   n/a MPO437517  

359294 (2009 HS45)          Discovered 2009-Apr-21 by La Sagra at La Sagra
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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