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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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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01174511413894352 4.3332e-08  
a 2.763570127633074 1.4676e-08 au
q 2.731111681053048 1.1766e-07 au
i 4.597674716590692 5.2879e-06 deg
node 213.4885448352164 4.8766e-05 deg
peri 306.4483216250274 0.00021206 deg
M 143.2995990949743 0.00020519 deg
tp 2458332.545875496199
(2018-Aug-02.04587550)
0.00095757 TDB
period 1678.047156726495
4.59
1.3367e-05
3.66e-08
d
yr
n .2145350913154799 1.7089e-09 deg/d
Q 2.796028574213099 1.4848e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1390  
   data-arc span      8839 days (24.20 yr)  
   first obs. used      1996-03-17  
   last obs. used      2020-05-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53648  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 19:36:29  

Additional Information
 Earth MOID = 1.73671 au 
 Jupiter MOID = 2.17223 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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