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43978 (1997 GG17)
Classification: Main-belt Asteroid          SPK-ID: 2043978
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1162060499485814 3.6735e-08  
a 2.616147994082957 1.1367e-08 au
q 2.312135769609672 9.5978e-08 au
i 6.341236407308318 3.9655e-06 deg
node 215.5307397915704 3.5896e-05 deg
peri 105.9389965099306 4.0201e-05 deg
M 149.5234106310552 1.7141e-05 deg
tp 2458754.553872898797
(2019-Sep-28.05387290)
7.3006e-05 TDB
period 1545.581422876097
4.23
1.0073e-05
2.758e-08
d
yr
n .2329220542325706 1.518e-09 deg/d
Q 2.920160218556242 1.2687e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1161  
   data-arc span      8716 days (23.86 yr)  
   first obs. used      1997-04-03  
   last obs. used      2021-02-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52121  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 10:33:19  

Additional Information
 Earth MOID = 1.30908 au 
 Jupiter MOID = 2.37271 au 
 T_jup = 3.389 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.01   n/a MPCxxxxx  
diameter diameter 2.396 km 0.364 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.405   0.119 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

43978 (1997 GG17)          Discovered 1997-Apr-03 by LINEAR at Socorro
Reference: 20020822/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 GG17 = 1998 QT66 = 1999 XK214 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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