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308247 (2005 GC49)
Classification: Main-belt Asteroid          SPK-ID: 2308247
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0814518865762498 1.0159e-07  
a 2.589833423313376 2.4269e-08 au
q 2.378886605066274 2.499e-07 au
i 4.176920060664079 7.7116e-06 deg
node 183.7962436303688 8.8556e-05 deg
peri 158.8383651637015 0.00010129 deg
M 97.49274722252351 5.2559e-05 deg
tp 2458588.235459930745
(2019-Apr-14.73545993)
0.00022027 TDB
period 1522.320774141073
4.17
2.1398e-05
5.858e-08
d
yr
n .2364810400771939 3.3241e-09 deg/d
Q 2.800780241560478 2.6246e-08 au
  Orbit Determination Parameters
   # obs. used (total)      167  
   data-arc span      6254 days (17.12 yr)  
   first obs. used      2002-09-12  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60687  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 07:53:12  

Additional Information
 Earth MOID = 1.37148 au 
 Jupiter MOID = 2.50314 au 
 T_jup = 3.412 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457281.5 (2015-Sep-16.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08294389286135039 1.0207e-07  
q 2.374323269452157 2.5147e-07 au
tp 2457062.828031848664
(2015-Feb-09.32803185)
0.0002107 TDB
node 183.8306686890195 8.8477e-05 deg
peri 158.0450416186747 0.00010081 deg
i 4.178374264927694 7.7152e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      167  
   data-arc span      6254 days (17.12 yr)  
   first obs. used      2002-09-12  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60687  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 07:53:12  

Additional Information
 Jupiter MOID = 2.50314 au 
 T_jup = 3.412 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.041734752900679E-14 -2.560430041492976E-14 9.724842149500364E-12 2.639149757471106E-14 1.665684135951131E-12 -9.259194996878781E-15
q -2.560430041492976E-14 6.323630456856131E-14 -2.398730648177427E-11 -6.418052228058973E-14 -4.10644300356403E-12 2.321100992496762E-14
tp 9.724842149500364E-12 -2.398730648177427E-11 4.439320787858271E-8 1.034799211869841E-10 1.014601845046762E-8 -2.642167034340439E-11
node 2.639149757471106E-14 -6.418052228058973E-14 1.034799211869841E-10 7.828122760466253E-9 -7.783497288666218E-9 3.189229647998287E-10
peri 1.665684135951131E-12 -4.10644300356403E-12 1.014601845046762E-8 -7.783497288666218E-9 1.016227914096549E-8 -3.239155142249518E-10
i -9.259194996878781E-15 2.321100992496762E-14 -2.642167034340439E-11 3.189229647998287E-10 -3.239155142249518E-10 5.952451252787429E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.8   n/a MPO494636  

308247 (2005 GC49)          Discovered 2005-Apr-05 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20111210/Numbers.arcLast Updated: 2011-12-12

[ show close-approach data ]
Alternate Designations
 2005 GC49 = 2002 RD164 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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