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37769 (1997 GJ18)
Classification: Main-belt Asteroid          SPK-ID: 2037769
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06865970675146667 4.727e-08  
a 3.145223079086526 2.9063e-08 au
q 2.9292729848085 1.5012e-07 au
i 22.7063855837383 6.5468e-06 deg
node 22.90574804088289 1.3149e-05 deg
peri 286.8818748447806 6.0645e-05 deg
M 304.0155918412768 6.4361e-05 deg
tp 2459317.340141215859
(2021-Apr-12.84014122)
0.00036611 TDB
period 2037.396742934698
5.58
2.824e-05
7.732e-08
d
yr
n .1766960712234429 2.4491e-09 deg/d
Q 3.361173173364552 3.1059e-08 au
  Orbit Determination Parameters
   # obs. used (total)      845  
   data-arc span      8109 days (22.20 yr)  
   first obs. used      1997-04-03  
   last obs. used      2019-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55558  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 04:37:57  

Additional Information
 Earth MOID = 2.00024 au 
 Jupiter MOID = 1.88767 au 
 T_jup = 3.085 
[ 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 13.9   n/a MPO474233  
diameter diameter 10.084 km 0.122 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.058   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

37769 (1997 GJ18)          Discovered 1997-Apr-03 by LINEAR at Socorro
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 GJ18 = 1999 XC19 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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