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JPL Small-Body Database Browser
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27890 (1996 GG18)
Classification: Main-belt Asteroid          SPK-ID: 2027890
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01073472597783483 4.2481e-08  
a 2.762042984193496 1.4341e-08 au
q 2.732393209619178 1.1479e-07 au
i 4.60256526001085 5.4405e-06 deg
node 213.5886636029654 4.8895e-05 deg
peri 301.5242775163223 0.00024588 deg
M 62.41167562415193 0.00023971 deg
tp 2458309.825175966580
(2018-Jul-10.32517597)
0.0011168 TDB
period 1676.656420542196
4.59
1.3058e-05
3.575e-08
d
yr
n .2147130417355175 1.6722e-09 deg/d
Q 2.791692758767814 1.4495e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1363  
   data-arc span      8554 days (23.42 yr)  
   first obs. used      1996-03-17  
   last obs. used      2019-08-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53598  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 01:45:13  

Additional Information
 Earth MOID = 1.73937 au 
 Jupiter MOID = 2.17877 au 
 T_jup = 3.336 
[ 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 14.0   n/a MPO302229  
diameter diameter 8.111 km 0.048 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.074   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

27890 (1996 GG18)          Discovered 1996-Apr-15 by Elst, E. W. at La Silla
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1996 GG18 = 1998 VU39 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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