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17994 (1999 JF70)
Classification: Main-belt Asteroid          SPK-ID: 2017994
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 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06422672763582513 4.9473e-08  
a 2.935435391513143 1.5276e-08 au
q 2.746901982129867 1.5178e-07 au
i 13.57498387014126 4.5916e-06 deg
node 60.27500654874549 1.4775e-05 deg
peri 198.0009459879746 3.6307e-05 deg
M 34.24685191949749 3.4621e-05 deg
tp 2458825.746705830865
(2019-Dec-08.24670583)
0.00017645 TDB
period 1836.991792669619
5.03
1.434e-05
3.926e-08
d
yr
n .1959725685419791 1.5298e-09 deg/d
Q 3.123968800896419 1.6257e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2373  
   data-arc span      14979 days (41.01 yr)  
   first obs. used      1979-04-25  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42811  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 04:43:46  

Additional Information
 Earth MOID = 1.73536 au 
 Jupiter MOID = 1.90527 au 
 T_jup = 3.230 
[ 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 12.3   n/a MPO395175  
diameter diameter 10.822 km 0.128 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.199   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17994 (1999 JF70)          Discovered 1999-May-12 by LINEAR at Socorro
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 JF70 = 1979 HO5 = 1981 UF8 = 1984 JE1 = 1986 XS5 = 1991 VU1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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