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377515 (2005 GD1)
Classification: Main-belt Asteroid          SPK-ID: 2377515
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2211092839634238 8.5192e-08  
a 2.29289791992496 1.1598e-08 au
q 1.785916902649129 1.9077e-07 au
i 8.836017309177263 7.7111e-06 deg
node 73.38194360666485 2.8168e-05 deg
peri 164.0621631411547 3.3514e-05 deg
M 107.0320127404187 1.2374e-05 deg
tp 2458623.460631801507
(2019-May-19.96063180)
4.3963e-05 TDB
period 1268.164253629885
3.47
9.6216e-06
2.634e-08
d
yr
n .2838748994616169 2.1538e-09 deg/d
Q 2.799878937200792 1.4162e-08 au
  Orbit Determination Parameters
   # obs. used (total)      132  
   data-arc span      7206 days (19.73 yr)  
   first obs. used      2001-01-26  
   last obs. used      2020-10-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56236  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:18:10  

Additional Information
 Earth MOID = .775376 au 
 Jupiter MOID = 2.21379 au 
 T_jup = 3.549 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457644.5 (2016-Sep-13.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2206879600754361 8.5277e-08  
q 1.787515094414036 1.9095e-07 au
tp 2457354.675793384187
(2015-Nov-28.17579338)
4.6811e-05 TDB
node 73.3924123161852 2.8167e-05 deg
peri 164.0825711452305 3.3535e-05 deg
i 8.835145286412548 7.7105e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      132  
   data-arc span      7206 days (19.73 yr)  
   first obs. used      2001-01-26  
   last obs. used      2020-10-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56236  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:18:10  

Additional Information
 Jupiter MOID = 2.21379 au 
 T_jup = 3.549 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.272204508816101E-15 -1.627049343913235E-14 -1.481668441750308E-12 -2.844146549647597E-14 -5.114530095298162E-13 -2.042519956730106E-14
q -1.627049343913235E-14 3.646247607975927E-14 3.242544624693363E-12 6.206469297072912E-14 1.123523065692163E-12 4.596820882817764E-14
tp -1.481668441750308E-12 3.242544624693363E-12 2.19128290332066E-9 1.534781433463226E-11 8.585726289340459E-10 3.257636385298947E-12
node -2.844146549647597E-14 6.206469297072912E-14 1.534781433463226E-11 7.933890448713869E-10 -7.773696599714599E-10 -7.156772110141728E-11
peri -5.114530095298162E-13 1.123523065692163E-12 8.585726289340459E-10 -7.773696599714599E-10 1.12458483168295E-9 7.191095366883128E-11
i -2.042519956730106E-14 4.596820882817764E-14 3.257636385298947E-12 -7.156772110141728E-11 7.191095366883128E-11 5.945172731880233E-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 17.9   n/a MPO476770  

377515 (2005 GD1)          Discovered 2005-Apr-02 by Lowe, A. at Mayhill
Reference: Last Updated: 2013-11-20
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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