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359307 (2009 HY90)
Classification: Main-belt Asteroid          SPK-ID: 2359307
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2112919767326289 9.1508e-08  
a 2.598488859601769 3.6605e-08 au
q 2.049449011938796 2.5374e-07 au
i 4.307792454859096 7.5198e-06 deg
node 22.00593545051562 9.5201e-05 deg
peri 137.7038488566795 9.6095e-05 deg
M 271.9064969260021 1.4412e-05 deg
tp 2459374.887288822536
(2021-Jun-09.38728882)
6.6228e-05 TDB
period 1529.958728771398
4.19
3.2329e-05
8.851e-08
d
yr
n .2353004647969103 4.972e-09 deg/d
Q 3.147528707264741 4.4339e-08 au
  Orbit Determination Parameters
   # obs. used (total)      167  
   data-arc span      4371 days (11.97 yr)  
   first obs. used      2007-10-11  
   last obs. used      2019-09-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66476  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 00:43:03  

Additional Information
 Earth MOID = 1.06048 au 
 Jupiter MOID = 1.83842 au 
 T_jup = 3.380 
[ 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 17.2   n/a MPO413358  

359307 (2009 HY90)          Discovered 2009-Apr-21 by Mt. Lemmon Survey at Mount Lemmon
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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