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JPL Small-Body Database Browser
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18014 (1999 JC121)
Classification: Main-belt Asteroid          SPK-ID: 2018014
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09872553305873732 5.8864e-08  
a 3.013112561941388 2.1843e-08 au
q 2.715641418097746 1.7926e-07 au
i 8.414482589030289 4.7822e-06 deg
node 99.83927708838596 3.7705e-05 deg
peri 263.4892467035818 4.4827e-05 deg
M 180.9261338027997 2.4311e-05 deg
tp 2459550.779083867689
(2021-Dec-02.27908387)
0.0001314 TDB
period 1910.387470026694
5.23
2.0773e-05
5.687e-08
d
yr
n .1884434470222786 2.0491e-09 deg/d
Q 3.310583705785029 2.3999e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1010  
   data-arc span      9512 days (26.04 yr)  
   first obs. used      1993-04-16  
   last obs. used      2019-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59073  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:34:05  

Additional Information
 Earth MOID = 1.72865 au 
 Jupiter MOID = 2.15012 au 
 T_jup = 3.225 
[ 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 14.0   n/a MPO474005  
diameter diameter 5.305 km 0.199 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.300   0.095 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18014 (1999 JC121)          Discovered 1999-May-13 by LINEAR at Socorro
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 JC121 = 1998 FC94 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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