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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 42 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1754053183536013 1.4603e-08  
a 3.207013307442591 1.5746e-08 au
q 2.644486117286388 4.7099e-08 au
i 18.30451646325107 4.5287e-07 deg
node 189.4967478361212 1.3765e-06 deg
peri 267.5449856429598 4.9513e-06 deg
M 308.9352326301162 4.1369e-06 deg
tp 2459498.055804737113
(2021-Oct-10.55580474)
2.521e-05 TDB
period 2097.729906991336
5.74
1.5449e-05
4.23e-08
d
yr
n .1716140856838567 1.2639e-09 deg/d
Q 3.769540497598795 1.8507e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2395  
   data-arc span      24833 days (67.99 yr)  
   first obs. used      1953-03-09  
   last obs. used      2021-03-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .4041  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:41:37  

Additional Information
 Earth MOID = 1.7382 au 
 Jupiter MOID = 1.7612 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 12.17   n/a MPCxxxxx  
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. 2020-October); 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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