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91321 (1999 GX25)
Classification: Main-belt Asteroid          SPK-ID: 2091321
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1100116425410887 4.9482e-08  
a 2.566724714284888 1.6395e-08 au
q 2.284355112515601 1.29e-07 au
i 8.656576041315562 4.9084e-06 deg
node 18.51329995357412 3.4797e-05 deg
peri 214.3461074637493 4.7535e-05 deg
M 23.15951329183357 3.8104e-05 deg
tp 2458903.873935189514
(2020-Feb-24.37393519)
0.00015852 TDB
period 1501.991121032792
4.11
1.4391e-05
3.94e-08
d
yr
n .2396818429608683 2.2965e-09 deg/d
Q 2.849094316054175 1.8199e-08 au
  Orbit Determination Parameters
   # obs. used (total)      663  
   data-arc span      7317 days (20.03 yr)  
   first obs. used      1999-03-23  
   last obs. used      2019-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59768  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 22:27:37  

Additional Information
 Earth MOID = 1.28016 au 
 Jupiter MOID = 2.15115 au 
 T_jup = 3.407 
[ 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 15.6   n/a MPO432451  

91321 (1999 GX25)          Discovered 1999-Apr-07 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

Alternate Designations
 1999 GX25 = 2003 EU27 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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