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52278 (1988 SG3)
Classification: Jupiter Trojan          SPK-ID: 2052278
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08731278109573716 8.1047e-08  
a 5.177199389140469 1.7742e-07 au
q 4.725163712187463 4.6912e-07 au
i 19.60166795822076 8.9292e-06 deg
node 81.16090078111863 2.0989e-05 deg
peri 232.1419698563421 6.448e-05 deg
M 275.1126983825986 7.0018e-05 deg
tp 2460015.067605640641
(2023-Mar-11.56760564)
0.00086771 TDB
period 4302.697000274984
11.78
0.00022118
6.056e-07
d
yr
n .08366845259542853 4.301e-09 deg/d
Q 5.629235066093475 1.9291e-07 au
  Orbit Determination Parameters
   # obs. used (total)      563  
   data-arc span      11463 days (31.38 yr)  
   first obs. used      1988-09-16  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53254  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 10:25:15  

Additional Information
 Earth MOID = 3.74834 au 
 Jupiter MOID = .317177 au 
 T_jup = 2.877 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.1   n/a MPO436150  
diameter diameter 20.336 km 0.621 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.074   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

52278 (1988 SG3)          Discovered 1988-Sep-16 by Bus, S. J. at Cerro Tololo
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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