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27224 (1999 GC9)
Classification: Main-belt Asteroid          SPK-ID: 2027224
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08718424083879554 3.1324e-08  
a 2.335241129205057 8.3357e-09 au
q 2.131644904179783 7.4832e-08 au
i 6.075557545511822 4.852e-06 deg
node 188.3213922291424 3.1606e-05 deg
peri 75.8783207550684 4.249e-05 deg
M 286.2469786691908 2.8675e-05 deg
tp 2459267.538167291315
(2021-Feb-22.03816729)
0.00010413 TDB
period 1303.45494313621
3.57
6.979e-06
1.911e-08
d
yr
n .276189063454555 1.4788e-09 deg/d
Q 2.538837354230332 9.0624e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1375  
   data-arc span      16267 days (44.54 yr)  
   first obs. used      1975-10-15  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52712  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 06:09:35  

Additional Information
 Earth MOID = 1.12614 au 
 Jupiter MOID = 2.50795 au 
 T_jup = 3.555 
[ 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 15.2   n/a MPO468048  

27224 (1999 GC9)          Discovered 1999-Apr-10 by LONEOS at Anderson Mesa
Reference: 20010804/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 GC9 = 1975 TD7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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