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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 36 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02846004773990643 2.2381e-08  
a 2.842331699387727 1.1006e-08 au
q 2.761438803530503 6.2661e-08 au
i 3.214132808112023 8.2697e-07 deg
node 111.1914611045175 2.226e-05 deg
peri 144.6768623511627 4.0406e-05 deg
M 165.4878925544934 2.6262e-05 deg
tp 2458395.910632081628
(2018-Oct-04.41063208)
0.00012587 TDB
period 1750.292229718465
4.79
1.0166e-05
2.783e-08
d
yr
n .2056799395480983 1.1947e-09 deg/d
Q 2.923224595244951 1.132e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2553  
   data-arc span      10278 days (28.14 yr)  
   first obs. used      1993-01-21  
   last obs. used      2021-03-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .46578  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:53:55  

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 13.36   n/a MPCxxxxx  
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

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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
2037-Nov-04 00:25 00:01 Ceres 0.0326352344173458 0.0326298529952049 0.0326406158680495 2.83752179989643 2.83751723778307 2465366.517482455 1.3458284156368 267.715745411531 32.7581130110058 -9.97317155860274 30925.3230950232 T 36 CATAB v2.0f-lin.ifort 2021-Apr-13 01:54:38 2021-Apr-13 01:54

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