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118389 (1999 JV42)
Classification: Main-belt Asteroid          SPK-ID: 2118389
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1853029450659385 5.6616e-08  
a 2.857733071924727 2.4018e-08 au
q 2.328186717484744 1.6198e-07 au
i 17.51818561288755 7.7683e-06 deg
node 48.12910448490501 1.6143e-05 deg
peri 215.9744936810407 2.7823e-05 deg
M 145.2784908297687 2.7374e-05 deg
tp 2458488.418443935593
(2019-Jan-04.91844394)
0.00013062 TDB
period 1764.537604424636
4.83
2.2245e-05
6.09e-08
d
yr
n .2040194547836715 2.572e-09 deg/d
Q 3.387279426364711 2.8468e-08 au
  Orbit Determination Parameters
   # obs. used (total)      524  
   data-arc span      7938 days (21.73 yr)  
   first obs. used      1999-04-19  
   last obs. used      2021-01-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64598  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 09:19:36  

Additional Information
 Earth MOID = 1.33329 au 
 Jupiter MOID = 1.73127 au 
 T_jup = 3.210 
[ 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 15.1   n/a MPO449691  
diameter diameter 5.464 km 0.113 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.071   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

118389 (1999 JV42)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 1999 JV42 = 2001 YG7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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