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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 ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02641725154010506 3.7812e-08  
a 3.058299560188043 1.8962e-08 au
q 2.977507691421563 1.2222e-07 au
i 8.021172936697823 4.6923e-06 deg
node 311.7396182106642 2.8972e-05 deg
peri 335.5986735242151 9.334e-05 deg
M 44.23565582460662 8.7964e-05 deg
tp 2459156.457340450732
(2020-Nov-02.95734045)
0.00047756 TDB
period 1953.522691748289
5.35
1.8168e-05
4.974e-08
d
yr
n .1842824767383792 1.7138e-09 deg/d
Q 3.139091428954523 1.9463e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1476  
   data-arc span      8984 days (24.60 yr)  
   first obs. used      1997-01-02  
   last obs. used      2021-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49458  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-24 22:01:11  

Additional Information
 Earth MOID = 1.96292 au 
 Jupiter MOID = 1.98459 au 
 T_jup = 3.219 
[ 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 13.44   n/a MPO636330  
rotation period rot_per 3.86374 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]

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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