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15999 (1999 AG7)
Classification: Main-belt Asteroid          SPK-ID: 2015999
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07352783783624985 3.1528e-08  
a 2.257219700171494 7.2404e-09 au
q 2.091251216096496 6.9904e-08 au
i 3.456558002865624 3.4203e-06 deg
node 233.3369531413157 5.6284e-05 deg
peri 325.1708602585758 6.1312e-05 deg
M 42.31008654799739 2.3503e-05 deg
tp 2458854.920377871990
(2020-Jan-06.42037787)
8.0972e-05 TDB
period 1238.680140883909
3.39
5.9599e-06
1.632e-08
d
yr
n .2906319300018065 1.3984e-09 deg/d
Q 2.423188184246492 7.7728e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1849  
   data-arc span      14560 days (39.86 yr)  
   first obs. used      1980-08-06  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47914  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 17:54:45  

Additional Information
 Earth MOID = 1.08941 au 
 Jupiter MOID = 2.54025 au 
 T_jup = 3.617 
[ 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 14.5   n/a MPO467869  

15999 (1999 AG7)          Discovered 1999-Jan-09 by Korlevic, K. at Visnjan
Reference: 20000726/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 AG7 = 1980 PC2 = 1987 SQ5 = 1989 AX7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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