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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 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

[ 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 15:46 00:03 Jupiter 1.98925958493207 1.98925911615685 1.98926005370741 3.39003464751901 3.262014585237 2416766.157183731 2.93707738532862 125.626598230139 20.1463952029263 85.3959038461829 3776807.7003126 T 24 CATAB v2.0g-lin.ifort 2021-Aug-24 22:01:18 2021-Aug-24 22:01
1962-Dec-24 21:15 00:01 Jupiter 1.99434447348644 1.99434404570254 1.99434490127022 4.08673771188492 3.9814571005188 2438023.385285824 1.300844284987 101.884767072717 18.8253328359346 88.7458235812655 3662740.38619198 T 24 CATAB v2.0g-lin.ifort 2021-Aug-24 22:01:18 2021-Aug-24 22:01
2011-Aug-15 23:42 < 00:01 Jupiter 1.9903474202803 1.99034698037082 1.99034786018989 3.3501539915326 3.22062128389139 2455789.487837302 0.200652685052665 39.5379155059863 12.3932628137298 -69.7003796302993 3737255.36342217 T 24 CATAB v2.0g-lin.ifort 2021-Aug-24 22:01:18 2021-Aug-24 22:01
2069-Oct-25 14:36 00:01 Jupiter 1.99835495585736 1.99835447709789 1.99835543461705 4.02971424061321 3.92312083444318 2477045.108332146 1.46180236382748 105.784957569857 19.0918338482853 -86.7629510989896 3478060.65787513 T 24 CATAB v2.0g-lin.ifort 2021-Aug-24 22:01:18 2021-Aug-24 22:01
2118-Jun-19 19:55 00:03 Jupiter 1.99625269596793 1.99625225502163 1.99625313691435 3.3356249243754 3.20589786494107 2494813.329899733 2.87579559798058 111.379184310307 18.1711167602625 -88.9968619252531 3797369.88064032 T 24 CATAB v2.0g-lin.ifort 2021-Aug-24 22:01:18 2021-Aug-24 22:01

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