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JPL Small-Body Database Browser
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17986 (1999 JF62)
Classification: Main-belt Asteroid          SPK-ID: 2017986
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04639329047225426 3.8501e-08  
a 2.520779620609858 1.1529e-08 au
q 2.403832359454366 1.016e-07 au
i 14.82019815631295 4.7219e-06 deg
node 68.82166713953001 1.444e-05 deg
peri 241.0797862324661 5.2153e-05 deg
M 30.27574278055899 5.0598e-05 deg
tp 2458877.560044491317
(2020-Jan-29.06004449)
0.00020533 TDB
period 1461.843043915195
4.00
1.0029e-05
2.746e-08
d
yr
n .2462644683356885 1.6894e-09 deg/d
Q 2.63772688176535 1.2064e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1725  
   data-arc span      10330 days (28.28 yr)  
   first obs. used      1991-05-17  
   last obs. used      2019-08-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47785  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 01:25:10  

Additional Information
 Earth MOID = 1.41698 au 
 Jupiter MOID = 2.47262 au 
 T_jup = 3.408 
[ 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 13.6   n/a MPO384908  
diameter diameter 5.470 km 0.159 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.258   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17986 (1999 JF62)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 JF62 = 1991 KL2 = 1998 HQ48 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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