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18898 (2000 JX)
Classification: Main-belt Asteroid          SPK-ID: 2018898
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3065406574353366 4.0715e-08  
a 3.180248013726201 1.7363e-08 au
q 2.205372696791148 1.2935e-07 au
i 26.50386230878951 3.8585e-06 deg
node 111.1511901604667 1.0905e-05 deg
peri 288.472816527403 1.3102e-05 deg
M 8.223839721580763 5.5992e-06 deg
tp 2459153.178113591825
(2020-Oct-30.67811359)
3.2298e-05 TDB
period 2071.523726591849
5.67
1.6965e-05
4.645e-08
d
yr
n .1737851202854847 1.4232e-09 deg/d
Q 4.155123330661254 2.2686e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1854  
   data-arc span      25896 days (70.90 yr)  
   first obs. used      1950-04-20  
   last obs. used      2021-03-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45665  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:41:39  

Additional Information
 Earth MOID = 1.35617 au 
 Jupiter MOID = 1.79643 au 
 T_jup = 2.968 
[ 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 12.87   n/a E2021B10  
diameter diameter 13.601 km 0.126 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.093   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18898 (2000 JX)          Discovered 2000-May-01 by LINEAR at Socorro
Reference: 20001111/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 JX = 1991 OH = 1993 BB15 = 1999 CN44 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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