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215773 (2004 GX31)
Classification: Main-belt Asteroid          SPK-ID: 2215773
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2127247347091163 4.0746e-08  
a 2.7884422629954 2.3911e-08 au
q 2.195271622348016 1.0818e-07 au
i 8.830809011863982 5.0164e-06 deg
node 64.07476143003893 3.7717e-05 deg
peri 229.8737378542002 4.0481e-05 deg
M 97.9131768835112 1.4817e-05 deg
tp 2458537.927774382082
(2019-Feb-23.42777438)
6.8204e-05 TDB
period 1700.751691680571
4.66
2.1876e-05
5.989e-08
d
yr
n .2116711109334672 2.7227e-09 deg/d
Q 3.381612903642785 2.8998e-08 au
  Orbit Determination Parameters
   # obs. used (total)      338  
   data-arc span      6644 days (18.19 yr)  
   first obs. used      2001-11-17  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60419  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 03:26:54  

Additional Information
 Earth MOID = 1.19138 au 
 Jupiter MOID = 1.85508 au 
 T_jup = 3.280 
[ 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 15.9   n/a MPO440136  

215773 (2004 GX31)          Discovered 2004-Apr-09 by Siding Spring Survey at Siding Spring
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

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