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17116 (1999 JO57)
Classification: Main-belt Asteroid          SPK-ID: 2017116
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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02846004815227872 2.2383e-08  
a 2.842331697652125 1.1009e-08 au
q 2.761438800672197 6.2664e-08 au
i 3.214132808701078 8.2698e-07 deg
node 111.1914608114087 2.2261e-05 deg
peri 144.6768604572004 4.0407e-05 deg
M 165.4878953141963 2.6262e-05 deg
tp 2458395.910619401120
(2018-Oct-04.41061940)
0.00012587 TDB
period 1750.292228115303
4.79
1.0169e-05
2.784e-08
d
yr
n .2056799397364886 1.1949e-09 deg/d
Q 2.923224594632052 1.1322e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2548  
   data-arc span      10262 days (28.10 yr)  
   first obs. used      1993-01-21  
   last obs. used      2021-02-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46525  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Mar-17 01:25:17  

Additional Information
 Earth MOID = 1.74527 au 
 Jupiter MOID = 2.07008 au 
 T_jup = 3.306 
[ 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 13.35   n/a E2021B10  
diameter diameter 6.750 km 0.207 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 19.101 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:
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.]
geometric albedo albedo 0.203   0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17116 (1999 JO57)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20000913/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 JO57 = 1998 ED16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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