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91324 (1999 GN42)
Classification: Main-belt Asteroid          SPK-ID: 2091324
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07038518926495606 4.4457e-08  
a 2.402899317193382 1.0997e-08 au
q 2.233770793968092 1.0442e-07 au
i 6.734546917160401 3.7303e-06 deg
node 138.5517553385587 4.1315e-05 deg
peri 94.27720119719707 5.0248e-05 deg
M 212.2884426051344 3.0584e-05 deg
tp 2459558.730760851594
(2021-Dec-10.23076085)
0.00011727 TDB
period 1360.510155406157
3.72
9.3394e-06
2.557e-08
d
yr
n .2646066246323081 1.8164e-09 deg/d
Q 2.572027840418672 1.1771e-08 au
  Orbit Determination Parameters
   # obs. used (total)      718  
   data-arc span      7563 days (20.71 yr)  
   first obs. used      1999-03-20  
   last obs. used      2019-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5819  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 08:16:32  

Additional Information
 Earth MOID = 1.23487 au 
 Jupiter MOID = 2.42856 au 
 T_jup = 3.512 
[ 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 15.8   n/a MPO502690  

91324 (1999 GN42)          Discovered 1999-Apr-12 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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