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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456807.5 (2014-May-30.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0737649498614317 3.4654e-08  
q 2.090783355387503 7.8251e-08 au
tp 2456377.918633371258
(2013-Mar-26.41863337)
8.85e-05 TDB
node 233.3923094486141 6.4878e-05 deg
peri 325.1983553967903 6.9738e-05 deg
i 3.455073189837718 3.4659e-06 deg
  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
 Jupiter MOID = 2.54025 au 
 T_jup = 3.617 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.200932098374479E-15 -2.700238609172368E-15 -6.235917850437625E-13 -9.968746884368596E-16 -1.597729408585415E-13 -1.423094078727157E-16
q -2.700238609172368E-15 6.12320042694949E-15 1.319738699424252E-12 1.547185759253616E-15 3.391461440302712E-13 3.612592573364307E-16
tp -6.235917850437625E-13 1.319738699424252E-12 7.832241415656398E-9 -2.516428599931509E-11 2.278259409578102E-9 1.497334310632482E-12
node -9.968746884368596E-16 1.547185759253616E-15 -2.516428599931509E-11 4.209219601825185E-9 -4.208417122009902E-9 -2.924827085234262E-11
peri -1.597729408585415E-13 3.391461440302712E-13 2.278259409578102E-9 -4.208417122009902E-9 4.863424937250377E-9 2.96204891317051E-11
i -1.423094078727157E-16 3.612592573364307E-16 1.497334310632482E-12 -2.924827085234262E-11 2.96204891317051E-11 1.201247700109682E-11

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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