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17676 (1997 AG1)
Classification: Main-belt Asteroid          SPK-ID: 2017676
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02515714874586309 4.2307e-08  
a 3.055533699974023 2.0275e-08 au
q 2.978665184185779 1.3797e-07 au
i 8.021995779475276 4.8247e-06 deg
node 311.7535103108411 3.0753e-05 deg
peri 339.31909060 9.7624e-05 deg
M 327.6783299388204 9.239e-05 deg
tp 2459175.654111311330
(2020-Nov-22.15411131)
0.00050057 TDB
period 1950.873205274515
5.34
1.9417e-05
5.316e-08
d
yr
n .1845327512965369 1.8367e-09 deg/d
Q 3.132402215762267 2.0785e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1295  
   data-arc span      8517 days (23.32 yr)  
   first obs. used      1997-01-02  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51106  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 04:39:23  

Additional Information
 Earth MOID = 1.9641 au 
 Jupiter MOID = 1.99329 au 
 T_jup = 3.220 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456301.5 (2013-Jan-09.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02278347432619178 4.2788e-08  
q 2.984583153125977 1.3883e-07 au
tp 2457242.595971134832
(2015-Aug-08.09597113)
0.00054662 TDB
node 311.7968924814191 3.0777e-05 deg
peri 342.32585103041 0.0001056 deg
i 8.019503850126279 4.8232e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1295  
   data-arc span      8517 days (23.32 yr)  
   first obs. used      1997-01-02  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51106  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 04:39:23  

Additional Information
 Jupiter MOID = 1.99329 au 
 T_jup = 3.220 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.830822174297845E-15 -5.885230572439583E-15 5.133403201736722E-12 -3.70677207498083E-16 9.664111216907985E-13 -1.285964612117335E-15
q -5.885230572439583E-15 1.927497942604845E-14 -1.653835767113764E-11 5.015742248156913E-15 -3.149101646741392E-12 5.401908733160213E-15
tp 5.133403201736722E-12 -1.653835767113764E-11 2.987953939131804E-7 8.789791862795806E-12 5.523451376771444E-8 -1.262765425356863E-11
node -3.70677207498083E-16 5.015742248156913E-15 8.789791862795806E-12 9.472276508597435E-10 -9.356738490129925E-10 2.483219675998933E-11
peri 9.664111216907985E-13 -3.149101646741392E-12 5.523451376771444E-8 -9.356738490129925E-10 1.115135483622435E-8 -2.696291972327529E-11
i -1.285964612117335E-15 5.401908733160213E-15 -1.262765425356863E-11 2.483219675998933E-11 -2.696291972327529E-11 2.326354837120292E-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 13.4   n/a MPO279701  

17676 (1997 AG1)          Discovered 1997-Jan-02 by Kobayashi, T. at Oizumi
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 AG1 = 1999 NR18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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