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JPL Small-Body Database Browser
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11418 (1999 JN118)
Classification: Main-belt Asteroid          SPK-ID: 2011418
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04380731948601391 3.7827e-08  
a 2.705575868194495 1.3613e-08 au
q 2.587051841742849 1.0385e-07 au
i 5.042219963850569 4.6628e-06 deg
node 199.3179758932396 4.2894e-05 deg
peri 227.756909559797 6.673e-05 deg
M 345.2820045959244 5.0222e-05 deg
tp 2458666.955994893929
(2019-Jul-02.45599489)
0.00022676 TDB
period 1625.503847839876
4.45
1.2268e-05
3.359e-08
d
yr
n .2214697925682565 1.6715e-09 deg/d
Q 2.82409989464614 1.421e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1674  
   data-arc span      24438 days (66.91 yr)  
   first obs. used      1953-01-09  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47731  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 23:15:36  

Additional Information
 Earth MOID = 1.60284 au 
 Jupiter MOID = 2.31129 au 
 T_jup = 3.358 
[ 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 13.6   n/a MPO416837  
diameter diameter 9.146 km 1.803 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.077   0.044 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

11418 (1999 JN118)          Discovered 1999-May-13 by LINEAR at Socorro
Reference: 19990831/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 JN118 = 1991 PV21 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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