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357635 (2005 GW8)
Classification: Mars-crossing Asteroid          SPK-ID: 2357635
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3703995694395273 8.4443e-08  
a 2.60828461065344 2.7929e-08 au
q 1.642177113891661 2.3071e-07 au
i 27.51991996090825 1.3954e-05 deg
node 216.0628639574857 1.5763e-05 deg
peri 260.5987139524381 2.4287e-05 deg
M 271.9773777539017 1.663e-05 deg
tp 2459376.703383214162
(2021-Jun-11.20338321)
7.4603e-05 TDB
period 1538.618306308202
4.21
2.4713e-05
6.766e-08
d
yr
n .2339761580399968 3.758e-09 deg/d
Q 3.574392107415219 3.8274e-08 au
  Orbit Determination Parameters
   # obs. used (total)      137  
   data-arc span      6828 days (18.69 yr)  
   first obs. used      1999-11-02  
   last obs. used      2018-07-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54744  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 03:54:12  

Additional Information
 Earth MOID = .85979 au 
 Jupiter MOID = 2.46816 au 
 T_jup = 3.161 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.6   n/a MPO455582  

357635 (2005 GW8)          Discovered 2005-Apr-02 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

Alternate Designations
 2005 GW8 = 1999 VN193 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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