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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08752519780824355 6.1634e-08  
a 5.176473088480631 1.543e-07 au
q 4.723401257462315 4.2658e-07 au
i 19.60266657650396 7.3232e-06 deg
node 81.15885102541874 1.8708e-05 deg
peri 232.2684291197415 5.9248e-05 deg
M 291.7502920200616 6.1507e-05 deg
tp 2460016.044502265367
(2023-Mar-12.54450227)
0.00075203 TDB
period 4301.791604761638
11.78
0.00019234
5.266e-07
d
yr
n .08368606224474409 3.7418e-09 deg/d
Q 5.629544919498948 1.678e-07 au
  Orbit Determination Parameters
   # obs. used (total)      693  
   data-arc span      11631 days (31.84 yr)  
   first obs. used      1988-09-16  
   last obs. used      2020-07-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51457  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:43:59  

Additional Information
 Earth MOID = 3.74485 au 
 Jupiter MOID = .316857 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 12.19   n/a E2021B10  
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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