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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1131517439666691 4.2146e-08  
a 3.016621276451269 2.4987e-08 au
q 2.675285318133848 1.2897e-07 au
i 8.448519327112935 6.1579e-06 deg
node 304.5366144043597 3.0473e-05 deg
peri 120.2547705134194 4.235e-05 deg
M 264.0334439679608 3.2942e-05 deg
tp 2459710.648977277613
(2022-May-11.14897728)
0.00017861 TDB
period 1913.725358224031
5.24
2.3778e-05
6.51e-08
d
yr
n .1881147670709062 2.3373e-09 deg/d
Q 3.35795723476869 2.7815e-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5141  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:32:29  

Additional Information
 Earth MOID = 1.70097 au 
 Jupiter MOID = 1.92926 au 
 T_jup = 3.222 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456772.5 (2014-Apr-25.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1182759787568133 4.2729e-08  
q 2.654323382761138 1.3163e-07 au
tp 2455885.359208022083
(2011-Nov-19.85920802)
0.00014835 TDB
node 304.6835875307727 3.0621e-05 deg
peri 119.2497768384686 4.1351e-05 deg
i 8.434996027461775 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5141  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:32:29  

Additional Information
 Jupiter MOID = 1.92926 au 
 T_jup = 3.222 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.82574968087887E-15 -5.554143403174306E-15 3.720238643128301E-13 -3.148051800399984E-16 1.199471293886685E-13 -4.345573299469822E-16
q -5.554143403174306E-15 1.732522784526152E-14 -1.622640813601341E-14 4.914122233262198E-15 -1.299103654920074E-13 1.97181512594327E-15
tp 3.720238643128301E-13 -1.622640813601341E-14 2.200642110322528E-8 8.036605076313317E-12 4.134941572601141E-9 2.411160067564972E-12
node -3.148051800399984E-16 4.914122233262198E-15 8.036605076313317E-12 9.376257558621623E-10 -9.252129929647106E-10 1.955699781166521E-11
peri 1.199471293886685E-13 -1.299103654920074E-13 4.134941572601141E-9 -9.252129929647106E-10 1.709910564168207E-9 -1.884556851362774E-11
i -4.345573299469822E-16 1.97181512594327E-15 2.411160067564972E-12 1.955699781166521E-11 -1.884556851362774E-11 3.776894831666212E-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 15.47   n/a E2021B55  

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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