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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457110.5 (2015-Mar-29.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1176221696335759 3.666e-08  
q 2.307751083099748 9.5946e-08 au
tp 2457211.163865456607
(2015-Jul-07.66386546)
7.1724e-05 TDB
node 215.5717217759152 3.5868e-05 deg
peri 106.2497480612271 4.0087e-05 deg
i 6.343988732069532 3.9686e-06 deg
  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
 Jupiter MOID = 2.37271 au 
 T_jup = 3.389 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.34393027472192E-15 -3.49803956864385E-15 2.96011748190223E-13 -6.17549424742191E-15 6.924878806323869E-14 -3.121238529835744E-15
q -3.49803956864385E-15 9.205551253557566E-15 -8.036215852306436E-13 1.586105709129839E-14 -1.914923805221316E-13 8.30551743152186E-15
tp 2.96011748190223E-13 -8.036215852306436E-13 5.144386346372305E-9 2.719658507794839E-12 1.29969001500398E-9 -2.732607598599313E-12
node -6.17549424742191E-15 1.586105709129839E-14 2.719658507794839E-12 1.286502326784389E-9 -1.277666424284683E-9 -1.863636323476694E-11
peri 6.924878806323869E-14 -1.914923805221316E-13 1.29969001500398E-9 -1.277666424284683E-9 1.606965142007107E-9 1.789454239853032E-11
i -3.121238529835744E-15 8.30551743152186E-15 -2.732607598599313E-12 -1.863636323476694E-11 1.789454239853032E-11 1.574992294530495E-11

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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