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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1854959547623565 5.7508e-08  
a 2.857142119767706 2.5784e-08 au
q 2.327153814369652 1.6595e-07 au
i 17.52055244415878 8.0217e-06 deg
node 48.12848845831476 2.1272e-05 deg
peri 215.9311514766616 3.2176e-05 deg
M 104.5070119513988 2.7777e-05 deg
tp 2458488.418457843215
(2019-Jan-04.91845784)
0.00013422 TDB
period 1763.990298202907
4.83
2.3878e-05
6.537e-08
d
yr
n .2040827550847392 2.7625e-09 deg/d
Q 3.38713042516576 3.0566e-08 au
  Orbit Determination Parameters
   # obs. used (total)      460  
   data-arc span      7496 days (20.52 yr)  
   first obs. used      1999-04-19  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67399  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 13:59:49  

Additional Information
 Earth MOID = 1.33377 au 
 Jupiter MOID = 1.73232 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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