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17682 (1997 AR12)
Classification: Main-belt Asteroid          SPK-ID: 2017682
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08734657896598498 3.6483e-08  
a 3.030508965318347 1.9932e-08 au
q 2.765804374672042 1.0946e-07 au
i 9.133113716759677 4.6246e-06 deg
node 317.1618291223063 2.5099e-05 deg
peri 83.18963935108509 3.7116e-05 deg
M 270.8615621969951 2.8473e-05 deg
tp 2459677.627341655956
(2022-Apr-08.12734166)
0.00015436 TDB
period 1926.955948855027
5.28
1.9011e-05
5.205e-08
d
yr
n .1868231602356595 1.8431e-09 deg/d
Q 3.295213555964652 2.1673e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1420  
   data-arc span      24402 days (66.81 yr)  
   first obs. used      1953-10-17  
   last obs. used      2020-08-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49389  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:10:13  

Additional Information
 Earth MOID = 1.79138 au 
 Jupiter MOID = 2.06789 au 
 T_jup = 3.218 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.33   n/a E2021B10  
diameter diameter 7.586 km 0.742 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 21.079 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.194   0.055 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17682 (1997 AR12)          Discovered 1997-Jan-10 by Kobayashi, T. at Oizumi
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 AR12 = 1953 UG = 1998 FA112 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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