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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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02641724969844352 4.047e-08  
a 3.058299561492176 2.1393e-08 au
q 2.977507698323597 1.3352e-07 au
i 8.02117250036685 4.7274e-06 deg
node 311.7396244970658 2.9968e-05 deg
peri 335.5986677265694 9.3698e-05 deg
M 44.23565500813082 8.8198e-05 deg
tp 2459156.457344727759
(2020-Nov-02.95734473)
0.00047875 TDB
period 1953.522692997833
5.35
2.0498e-05
5.612e-08
d
yr
n .1842824766205055 1.9336e-09 deg/d
Q 3.139091424660755 2.1958e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1394  
   data-arc span      8942 days (24.48 yr)  
   first obs. used      1997-01-02  
   last obs. used      2021-06-27  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50438  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 17:53:46  

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 13.41   n/a E2021B10  
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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