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JPL Small-Body Database Browser
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52724 (1998 GC4)
Classification: Main-belt Asteroid          SPK-ID: 2052724
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09483691398382285 3.9323e-08  
a 2.991142514877843 1.8617e-08 au
q 2.707471789481018 1.1401e-07 au
i 14.34759847618856 4.3167e-06 deg
node 108.4265151125175 1.5782e-05 deg
peri 24.76955357143835 2.6256e-05 deg
M 67.56075489620352 2.122e-05 deg
tp 2458245.894001122081
(2018-May-07.39400112)
0.00011075 TDB
period 1889.531278804943
5.17
1.7641e-05
4.83e-08
d
yr
n .1905234404098811 1.7787e-09 deg/d
Q 3.274813240274669 2.0383e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1690  
   data-arc span      7745 days (21.20 yr)  
   first obs. used      1998-02-25  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48387  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:47:41  

Additional Information
 Earth MOID = 1.72937 au 
 Jupiter MOID = 1.83564 au 
 T_jup = 3.202 
[ show covariance matrix ]

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 13.0   n/a MPO302353  
diameter diameter 8.485 km 0.275 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.186   0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52724 (1998 GC4)          Discovered 1998-Apr-02 by LINEAR at Socorro
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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