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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06330614853695384 5.0344e-08  
a 2.932764299087697 1.4649e-08 au
q 2.747102286745776 1.5343e-07 au
i 13.58836915012528 4.6108e-06 deg
node 60.3057050978811 1.4785e-05 deg
peri 198.790570645026 3.7131e-05 deg
M 315.0758507509162 3.5621e-05 deg
tp 2458829.424107085446
(2019-Dec-11.92410709)		 0.00018172 TDB
period 1834.485013702096
5.02		 1.3744e-05
3.763e-08		 d
yr
n .1962403602706458 1.4703e-09 deg/d
Q 3.118426311429619 1.5576e-08 au
   Orbit Determination Parameters
   # obs. used (total)      2352  
   data-arc span      14724 days (40.31 yr)  
   first obs. used      1979-04-25  
   last obs. used      2019-08-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42785  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 01:25:10  

Additional Information
 Earth MOID = 1.73548 au 
 Jupiter MOID = 1.91194 au 
 T_jup = 3.231 
[ 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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