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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07385576695804878 3.0333e-08  
a 2.257973326236444 7.1546e-09 au
q 2.091208974456435 6.6911e-08 au
i 3.45524842247341 3.3456e-06 deg
node 233.3085052077498 5.2087e-05 deg
peri 325.4101970814655 5.724e-05 deg
M 100.1818002748547 2.2774e-05 deg
tp 2458855.624003239784
(2020-Jan-07.12400324)
7.8721e-05 TDB
period 1239.300536555045
3.39
5.8903e-06
1.613e-08
d
yr
n .2904864392302393 1.3807e-09 deg/d
Q 2.424737678016454 7.683e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1983  
   data-arc span      14626 days (40.04 yr)  
   first obs. used      1980-08-06  
   last obs. used      2020-08-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47154  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:15:52  

Additional Information
 Earth MOID = 1.08847 au 
 Jupiter MOID = 2.5376 au 
 T_jup = 3.616 
[ 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 14.54   n/a E2021B10  

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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