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100506 (1997 AG9)
Classification: Main-belt Asteroid          SPK-ID: 2100506
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1140487726816579 4.2304e-08  
a 3.01804481431884 2.3908e-08 au
q 2.673840507347534 1.2957e-07 au
i 8.445278004762301 6.1529e-06 deg
node 304.5425044323823 3.0496e-05 deg
peri 119.7648010303828 4.2112e-05 deg
M 227.0593637300194 3.2327e-05 deg
tp 2459707.699924247871
(2022-May-08.19992425)
0.0001768 TDB
period 1915.080143081299
5.24
2.2756e-05
6.23e-08
d
yr
n .1879816890695615 2.2337e-09 deg/d
Q 3.362249121290145 2.6635e-08 au
  Orbit Determination Parameters
   # obs. used (total)      356  
   data-arc span      8592 days (23.52 yr)  
   first obs. used      1997-01-02  
   last obs. used      2020-07-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51388  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 09:03:19  

Additional Information
 Earth MOID = 1.70013 au 
 Jupiter MOID = 1.9286 au 
 T_jup = 3.221 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456772.5 (2014-Apr-25.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1182759780061829 4.2729e-08  
q 2.654323384784581 1.3163e-07 au
tp 2455885.359207688194
(2011-Nov-19.85920769)
0.00014835 TDB
node 304.6835874296729 3.0621e-05 deg
peri 119.2497768206339 4.1351e-05 deg
i 8.434996027090365 6.1456e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      356  
   data-arc span      8592 days (23.52 yr)  
   first obs. used      1997-01-02  
   last obs. used      2020-07-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51388  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 09:03:19  

Additional Information
 Jupiter MOID = 1.9286 au 
 T_jup = 3.221 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.825749485420371E-15 -5.554142367184223E-15 3.720233520933997E-13 -3.148057416200681E-16 1.199471004181877E-13 -4.345549178425521E-16
q -5.554142367184223E-15 1.732522389687659E-14 -1.622589434379142E-14 4.914122063323701E-15 -1.299103473778184E-13 1.971801292947139E-15
tp 3.720233520933997E-13 -1.622589434379142E-14 2.200642094691405E-8 8.036595426016101E-12 4.134941333660527E-9 2.411161985601635E-12
node -3.148057416200681E-16 4.914122063323701E-15 8.036595426016101E-12 9.376257573320589E-10 -9.252129969877746E-10 1.955699989771592E-11
peri 1.199471004181877E-13 -1.299103473778184E-13 4.134941333660527E-9 -9.252129969877746E-10 1.709910513462555E-9 -1.884557129789966E-11
i -4.345549178425521E-16 1.971801292947139E-15 2.411161985601635E-12 1.955699989771592E-11 -1.884557129789966E-11 3.776894784534453E-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 15.5   n/a MPO436468  

100506 (1997 AG9)          Discovered 1997-Jan-02 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1997 AG9 = 2000 SJ282 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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