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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .211225586841255 9.0605e-08  
a 2.598953366051219 2.8993e-08 au
q 2.049987916133996 2.5269e-07 au
i 4.307565666452139 5.414e-06 deg
node 21.99666180564999 8.7022e-05 deg
peri 137.6349287814197 8.8104e-05 deg
M 5.127630089514885 1.3585e-05 deg
tp 2459374.702316430454
(2021-Jun-09.20231643)
5.7557e-05 TDB
period 1530.368990751244
4.19
2.5609e-05
7.011e-08
d
yr
n .235237385346706 3.9364e-09 deg/d
Q 3.147918815968443 3.5117e-08 au
  Orbit Determination Parameters
   # obs. used (total)      232  
   data-arc span      4930 days (13.50 yr)  
   first obs. used      2007-10-11  
   last obs. used      2021-04-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .60456  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 06:47:06  

Additional Information
 Earth MOID = 1.06182 au 
 Jupiter MOID = 1.8367 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 17.39   n/a MPCxxxxx  

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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