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18895 (2000 GJ108)
Classification: Outer Main-belt Asteroid          SPK-ID: 2018895
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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1752487655431923 3.5858e-08  
a 3.20686419465617 2.1879e-08 au
q 2.644865203278013 1.1686e-07 au
i 18.30442574871537 4.025e-06 deg
node 189.496774063958 1.3034e-05 deg
peri 267.5407981635514 1.7226e-05 deg
M 274.5974207299384 1.3457e-05 deg
tp 2459498.108472531037
(2021-Oct-10.60847253)
8.1247e-05 TDB
period 2097.583605112164
5.74
2.1466e-05
5.877e-08
d
yr
n .1716260553918421 1.7564e-09 deg/d
Q 3.768863186034328 2.5713e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1768  
   data-arc span      24553 days (67.22 yr)  
   first obs. used      1953-03-09  
   last obs. used      2020-05-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44264  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 18:27:10  

Additional Information
 Earth MOID = 1.73878 au 
 Jupiter MOID = 1.7622 au 
 T_jup = 3.090 
[ 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 12.1   n/a MPO452438  
diameter diameter 22.297 km 0.094 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 4.66 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Clark, M. (2019) Minor Planet Bull. 46, 346-349.]
geometric albedo albedo 0.081   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

18895 (2000 GJ108)          Discovered 2000-Apr-07 by LINEAR at Socorro
Reference: 20001111/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 GJ108 = 1953 EC2 = 1991 RZ9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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