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17370 (1980 CJ)
Classification: Main-belt Asteroid          SPK-ID: 2017370
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02012104889769059 2.0849e-08  
a 3.144985979131113 1.9342e-08 au
q 3.081705562462465 6.6052e-08 au
i 13.5734542373341 1.4032e-06 deg
node 316.1999737567768 4.4803e-06 deg
peri 235.3068902393498 5.1422e-05 deg
M 81.45091243596313 5.2009e-05 deg
tp 2458739.585946368582
(2019-Sep-13.08594637)
0.00029357 TDB
period 2037.166366156602
5.58
1.8793e-05
5.145e-08
d
yr
n .176716053229953 1.6302e-09 deg/d
Q 3.208266395799762 1.9731e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1636  
   data-arc span      14801 days (40.52 yr)  
   first obs. used      1980-02-13  
   last obs. used      2020-08-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47568  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-17 01:32:06  

Additional Information
 Earth MOID = 2.10481 au 
 Jupiter MOID = 1.8462 au 
 T_jup = 3.166 
[ 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 12.93   n/a E2021B10  
diameter diameter 15.210 km 0.167 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 15.7605 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.]
geometric albedo albedo 0.044   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17370 (1980 CJ)          Discovered 1980-Feb-13 by Harvard Observatory at Harvard
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1980 CJ = 1991 CT4 = 1999 RK145 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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