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18098 (2000 LR20)
Classification: Main-belt Asteroid          SPK-ID: 2018098
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 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08810189862746276 1.6229e-08  
a 2.761573517621699 1.3237e-08 au
q 2.518273647519906 4.7452e-08 au
i 8.619127072492514 1.2172e-06 deg
node 215.3273135313607 5.4395e-06 deg
peri 9.211968234005404 1.5923e-05 deg
M 228.5799811631067 1.7873e-05 deg
tp 2459812.416783703937
(2022-Aug-20.91678370)
8.5165e-05 TDB
period 1676.228964833899
4.59
1.2052e-05
3.3e-08
d
yr
n .2147677957800193 1.5441e-09 deg/d
Q 3.004873387723491 1.4403e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2204  
   data-arc span      14545 days (39.82 yr)  
   first obs. used      1981-05-08  
   last obs. used      2021-03-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49739  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:22:58  

Additional Information
 Earth MOID = 1.50872 au 
 Jupiter MOID = 1.97106 au 
 T_jup = 3.319 
[ 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 13.40   n/a E2021B10  
diameter diameter 5.631 km 0.192 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.321   0.078 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18098 (2000 LR20)          Discovered 2000-Jun-08 by LINEAR at Socorro
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 LR20 = 1981 JG6 = 1987 SH5 = 1996 TU59 = 1999 GO23 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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