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JPL Small-Body Database Browser
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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 
[ 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 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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1904-Oct-12 15:45 00:03 Jupiter 1.98925961323392 1.98925913118771 1.98926009528035 3.39003598811728 3.26201597958399 2416766.156354642 3.35894620271622 141.736307528385 20.8829423977505 85.4042809616264 3674213.97659303 T 20 CATAB v2.0f-lin.ifort 2020-May-20 04:39:40 2020-May-20 04:39
1962-Dec-24 21:14 00:01 Jupiter 1.99434448107616 1.99434404110821 1.99434492104411 4.08673874316536 3.98145815888577 2438023.385017929 1.46487382926273 109.782971438275 19.4591102672595 88.7995846750569 3587722.66998616 T 20 CATAB v2.0f-lin.ifort 2020-May-20 04:39:40 2020-May-20 04:39
2011-Aug-15 23:42 < 00:01 Jupiter 1.99034748497187 1.99034703411253 1.99034793583122 3.350154200163 3.22062150447771 2455789.487839662 0.209734198270037 41.3596895076306 12.7238130797436 -69.9479460682235 3665462.41679575 T 20 CATAB v2.0f-lin.ifort 2020-May-20 04:39:40 2020-May-20 04:39
2069-Oct-25 14:36 00:02 Jupiter 1.99835496515815 1.9983544599604 1.99835547035636 4.02971474960452 3.92312135717006 2477045.108272991 1.72872842628091 120.420482283023 19.603887756585 -86.4771444528224 3394737.83533385 T 20 CATAB v2.0f-lin.ifort 2020-May-20 04:39:40 2020-May-20 04:39
2118-Jun-19 19:55 00:03 Jupiter 1.99625277586198 1.99625232306331 1.99625322866075 3.33562521401277 3.20589817086448 2494813.329668130 3.36361492865999 129.746953337664 19.0967111243975 -89.9143231958513 3700729.41373257 T 20 CATAB v2.0f-lin.ifort 2020-May-20 04:39:40 2020-May-20 04:39

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