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JPL Small-Body Database Browser
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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07352782083362241 3.4725e-08  
a 2.257219703287048 7.7177e-09 au
q 2.091251257361636 7.8324e-08 au
i 3.456556953927492 3.4669e-06 deg
node 233.3370175699151 6.4834e-05 deg
peri 325.170804640825 6.9703e-05 deg
M 42.31007523462571 2.5512e-05 deg
tp 2458854.920416497385
(2020-Jan-06.42041650)
8.7778e-05 TDB
period 1238.680143448463
3.39
6.3528e-06
1.739e-08
d
yr
n .2906319294000843 1.4906e-09 deg/d
Q 2.42318814921246 8.2852e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1705  
   data-arc span      14510 days (39.73 yr)  
   first obs. used      1980-08-06  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49394  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 04:18:11  

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

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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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