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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1860429274337723 4.6947e-08  
a 2.701332456148335 2.8045e-08 au
q 2.198768658034636 1.185e-07 au
i 7.606241783768916 5.2235e-06 deg
node 76.69761703188603 4.3384e-05 deg
peri 188.17614678883 4.7427e-05 deg
M 105.1971272525413 1.7258e-05 deg
tp 2458526.621657021742
(2019-Feb-12.12165702)
7.6783e-05 TDB
period 1621.68119917031
4.44
2.5255e-05
6.914e-08
d
yr
n .2219918441332269 3.4571e-09 deg/d
Q 3.203896254262033 3.3263e-08 au
  Orbit Determination Parameters
   # obs. used (total)      288  
   data-arc span      5769 days (15.79 yr)  
   first obs. used      2004-01-16  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59898  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 16:52:00  

Additional Information
 Earth MOID = 1.18335 au 
 Jupiter MOID = 1.88095 au 
 T_jup = 3.330 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457273.5 (2015-Sep-08.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1858063315355826 4.671e-08  
q 2.200233951632081 1.1787e-07 au
tp 2456905.980204007196
(2014-Sep-05.48020401)
7.9643e-05 TDB
node 76.70924846639052 4.3406e-05 deg
peri 188.5068287496377 4.7493e-05 deg
i 7.60389958136051 5.2221e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      288  
   data-arc span      5769 days (15.79 yr)  
   first obs. used      2004-01-16  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59898  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 16:52:00  

Additional Information
 Jupiter MOID = 1.88095 au 
 T_jup = 3.330 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.181785744303395E-15 -5.420808948150359E-15 -1.220683031487037E-12 -6.5904558016322E-15 -2.721553719146894E-13 2.486387366753791E-16
q -5.420808948150359E-15 1.389364227144091E-14 2.834669033481174E-12 2.121528677053014E-14 6.467916934415415E-13 -2.563669259908992E-16
tp -1.220683031487037E-12 2.834669033481174E-12 6.343061365132798E-9 1.938598569282755E-11 1.569897686751663E-9 -4.168298354441717E-12
node -6.5904558016322E-15 2.121528677053014E-14 1.938598569282755E-11 1.884044088700865E-9 -1.862154444618355E-9 -4.940265173675679E-11
peri -2.721553719146894E-13 6.467916934415415E-13 1.569897686751663E-9 -1.862154444618355E-9 2.255542081557583E-9 4.796389798794931E-11
i 2.486387366753791E-16 -2.563669259908992E-16 -4.168298354441717E-12 -4.940265173675679E-11 4.796389798794931E-11 2.726990894031009E-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 16.0   n/a MPO437019  

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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