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212178 (2005 GD76)
Classification: Main-belt Asteroid          SPK-ID: 2212178
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1856364559957354 4.6297e-08  
a 2.702403805267156 2.5765e-08 au
q 2.200739140187971 1.1791e-07 au
i 7.604710230849745 5.2116e-06 deg
node 76.69988072856023 3.7105e-05 deg
peri 188.2370278044912 3.9913e-05 deg
M 193.0153164332883 1.6068e-05 deg
tp 2460149.158429042794
(2023-Jul-23.65842904)
7.8279e-05 TDB
period 1622.646033563649
4.44
2.3205e-05
6.353e-08
d
yr
n .2218598465429761 3.1728e-09 deg/d
Q 3.20406847034634 3.0548e-08 au
  Orbit Determination Parameters
   # obs. used (total)      339  
   data-arc span      6210 days (17.00 yr)  
   first obs. used      2004-01-16  
   last obs. used      2021-01-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58892  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 11:30:42  

Additional Information
 Earth MOID = 1.18532 au 
 Jupiter MOID = 1.87878 au 
 T_jup = 3.329 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457656.5 (2016-Sep-25.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1860816496708756 4.6142e-08  
q 2.198819795095189 1.1741e-07 au
tp 2456905.990482517242
(2014-Sep-05.49048252)
6.3357e-05 TDB
node 76.70299096819431 3.7112e-05 deg
peri 188.4507719566221 3.9932e-05 deg
i 7.605145880974844 5.2128e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      339  
   data-arc span      6210 days (17.00 yr)  
   first obs. used      2004-01-16  
   last obs. used      2021-01-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .58892  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 11:30:42  

Additional Information
 Jupiter MOID = 1.87878 au 
 T_jup = 3.329 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.129059413219239E-15 -5.345410824673845E-15 -8.650446574186398E-13 -3.970380208470323E-15 -1.798312753544311E-13 1.330854397490839E-16
q -5.345410824673845E-15 1.378442271740339E-14 2.317958790266714E-12 1.280433879438297E-14 5.173929188081698E-13 -1.863378499135762E-16
tp -8.650446574186398E-13 2.317958790266714E-12 4.014055314080672E-9 1.420344046829033E-11 9.532833961549164E-10 -2.731725261849595E-12
node -3.970380208470323E-15 1.280433879438297E-14 1.420344046829033E-11 1.377337469975045E-9 -1.361340991919372E-9 -5.139053747051078E-11
peri -1.798312753544311E-13 5.173929188081698E-13 9.532833961549164E-10 -1.361340991919372E-9 1.594541422623236E-9 5.03258609326312E-11
i 1.330854397490839E-16 -1.863378499135762E-16 -2.731725261849595E-12 -5.139053747051078E-11 5.03258609326312E-11 2.717282526228529E-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 16.12   n/a MPCxxxxx  

212178 (2005 GD76)          Discovered 2005-Apr-05 by CSS at Catalina
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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