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52727 (1998 GG9)
Classification: Main-belt Asteroid          SPK-ID: 2052727
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1599659106991691 4.5624e-08  
a 3.134069489370179 2.5616e-08 au
q 2.632725209308598 1.5077e-07 au
i 20.56029612800646 5.5254e-06 deg
node 64.86625873468854 1.2441e-05 deg
peri 198.8149834042385 1.9826e-05 deg
M 304.0982549523422 1.6519e-05 deg
tp 2459315.190928320399
(2021-Apr-10.69092832)
9.4156e-05 TDB
period 2026.568832489249
5.55
2.4846e-05
6.802e-08
d
yr
n .1776401542491944 2.1779e-09 deg/d
Q 3.635413769431759 2.9714e-08 au
  Orbit Determination Parameters
   # obs. used (total)      919  
   data-arc span      8062 days (22.07 yr)  
   first obs. used      1998-04-02  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57396  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 10:26:34  

Additional Information
 Earth MOID = 1.6248 au 
 Jupiter MOID = 1.44604 au 
 T_jup = 3.095 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456758.5 (2014-Apr-11.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1586903570329323 4.58e-08  
q 2.638223547389826 1.5096e-07 au
tp 2457284.403959361595
(2015-Sep-18.90395936)
8.9827e-05 TDB
node 64.90200320503658 1.2438e-05 deg
peri 198.2941041175399 1.989e-05 deg
i 20.55807754513104 5.5248e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      919  
   data-arc span      8062 days (22.07 yr)  
   first obs. used      1998-04-02  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57396  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 10:26:34  

Additional Information
 Jupiter MOID = 1.44604 au 
 T_jup = 3.095 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.097671777199473E-15 -6.849971730662445E-15 -1.551545878961917E-12 1.456615394184621E-15 -2.724526106620488E-13 1.98577011551444E-15
q -6.849971730662445E-15 2.279024042700756E-14 4.970319959989449E-12 -1.653844226054275E-14 8.589468488813455E-13 -2.763349298651135E-15
tp -1.551545878961917E-12 4.970319959989449E-12 8.068809572841821E-9 -1.253066571335527E-11 1.413904114158483E-9 -4.98484671891869E-12
node 1.456615394184621E-15 -1.653844226054275E-14 -1.253066571335527E-11 1.547016211452146E-10 -1.47071898679176E-10 -1.932363332487602E-11
peri -2.724526106620488E-13 8.589468488813455E-13 1.413904114158483E-9 -1.47071898679176E-10 3.956086063539114E-10 1.729536543005853E-11
i 1.98577011551444E-15 -2.763349298651135E-15 -4.98484671891869E-12 -1.932363332487602E-11 1.729536543005853E-11 3.05237233384712E-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 14.2   n/a MPO250690  
diameter diameter 6.032 km 0.230 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.193   0.044 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52727 (1998 GG9)          Discovered 1998-Apr-02 by LINEAR at Socorro
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

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