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22315 (1991 GA4)
Classification: Main-belt Asteroid          SPK-ID: 2022315
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1359858318494593 3.7241e-08  
a 2.277512755672941 7.8979e-09 au
q 1.967803289045002 8.4356e-08 au
i 4.175404997749609 4.1852e-06 deg
node 201.1382717621015 5.0057e-05 deg
peri 20.51296937516724 5.2065e-05 deg
M 212.6540042306063 1.5929e-05 deg
tp 2459714.337139357894
(2022-May-14.83713936)		 5.6622e-05 TDB
period 1255.421765640309
3.44		 6.5303e-06
1.788e-08		 d
yr
n .2867562199834788 1.4916e-09 deg/d
Q 2.587222222300881 8.9719e-09 au
   Orbit Determination Parameters
   # obs. used (total)      911  
   data-arc span      10898 days (29.84 yr)  
   first obs. used      1991-04-08  
   last obs. used      2021-02-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57721  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:04:22  

Additional Information
 Earth MOID = .959094 au 
 Jupiter MOID = 2.38455 au 
 T_jup = 3.592 
[ 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 15.8   n/a MPO492983  

22315 (1991 GA4)          Discovered 1991-Apr-08 by Elst, E. W. at La Silla
Reference: 20010309/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1991 GA4 = 1998 KK22 = 1999 TV259 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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