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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01174511359589579 4.3696e-08  
a 2.763570118624825 1.4995e-08 au
q 2.731111673651353 1.1911e-07 au
i 4.597676241164934 5.4348e-06 deg
node 213.4885598994393 4.8988e-05 deg
peri 306.4484553736324 0.00021926 deg
M 143.2994503859648 0.00021224 deg
tp 2458332.546571930828
(2018-Aug-02.04657193)
0.00099064 TDB
period 1678.047148521746
4.59
1.3657e-05
3.739e-08
d
yr
n .2145350923644412 1.7461e-09 deg/d
Q 2.796028563598296 1.5171e-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 = 1.73671 au 
 Jupiter MOID = 2.17223 au 
 T_jup = 3.336 
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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

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