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17133 (1999 JC81)
Classification: Main-belt Asteroid          SPK-ID: 2017133
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 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1451266444228527 1.1722e-08  
a 2.58631244436983 9.3039e-09 au
q 2.210969597889371 3.0467e-08 au
i 13.72556248322943 9.0872e-07 deg
node 182.7984396516635 2.0165e-06 deg
peri 80.28288918367713 7.8852e-06 deg
M 57.05232368902446 6.2712e-06 deg
tp 2458959.736444684074
(2020-Apr-20.23644468)
2.6197e-05 TDB
period 1519.21734837958
4.16
8.1978e-06
2.244e-08
d
yr
n .2369641186522662 1.2787e-09 deg/d
Q 2.96165529085029 1.0654e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2468  
   data-arc span      16532 days (45.26 yr)  
   first obs. used      1975-10-03  
   last obs. used      2021-01-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43695  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:54:34  

Additional Information
 Earth MOID = 1.24447 au 
 Jupiter MOID = 2.19324 au 
 T_jup = 3.367 
[ 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 12.99   n/a E2021B10  
diameter diameter 7.660 km 0.224 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 48.1843 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 0.250   0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17133 (1999 JC81)          Discovered 1999-May-12 by LINEAR at Socorro
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 JC81 = 1975 TB3 = 1975 TH4 = 1982 FJ1 = 1987 QO 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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