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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 46 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06406206887535258 1.744e-08  
a 2.933185471537739 1.2722e-08 au
q 2.745279541835905 5.2547e-08 au
i 13.5722672228837 4.7378e-07 deg
node 60.22941802990101 3.8631e-06 deg
peri 197.3257213143767 2.1685e-05 deg
M 74.15116766213487 1.905e-05 deg
tp 2458822.559695886969
(2019-Dec-05.05969589)
9.7235e-05 TDB
period 1834.880201760724
5.02
1.1937e-05
3.268e-08
d
yr
n .1961980949244257 1.2764e-09 deg/d
Q 3.121091401239573 1.3537e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2721  
   data-arc span      15223 days (41.68 yr)  
   first obs. used      1979-04-25  
   last obs. used      2020-12-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41644  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:19:16  

Additional Information
 Earth MOID = 1.73202 au 
 Jupiter MOID = 1.90569 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 12.38   n/a E2021B10  
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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