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382895 (2004 QS9)
Classification: Main-belt Asteroid          SPK-ID: 2382895
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 .2865971155433084 5.4171e-08  
a 2.596578224639587 2.4922e-08 au
q 1.852406395175316 1.4039e-07 au
i 4.943098910960147 1.0365e-05 deg
node 95.65200217919234 0.00012889 deg
peri 226.9049238504901 0.00013276 deg
M 280.8416334660316 3.6489e-05 deg
tp 2459336.543009866010
(2021-May-02.04300987)
0.00015872 TDB
period 1528.271600953899
4.18
2.2002e-05
6.024e-08
d
yr
n .2355602235723672 3.3913e-09 deg/d
Q 3.340750054103856 3.2064e-08 au
  Orbit Determination Parameters
   # obs. used (total)      95  
   data-arc span      6825 days (18.69 yr)  
   first obs. used      1999-03-21  
   last obs. used      2017-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54344  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Dec-07 18:38:42  

Additional Information
 Earth MOID = .844095 au 
 Jupiter MOID = 2.00842 au 
 T_jup = 3.352 
[ 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 17.3   n/a MPO434374  

382895 (2004 QS9)          Discovered 2004-Aug-21 by Siding Spring Survey at Siding Spring
Reference: Last Updated: 2014-01-21

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