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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08678215205067104 8.1832e-08  
a 5.178456648038318 1.8247e-07 au
q 4.729059035820448 4.7096e-07 au
i 19.60133713454634 8.9954e-06 deg
node 81.16268838293752 2.1017e-05 deg
peri 232.0435828547216 6.4838e-05 deg
M 241.6935435714107 6.9522e-05 deg
tp 2460015.006311952310
(2023-Mar-11.50631195)
0.00087526 TDB
period 4304.26443048949
11.78
0.0002275
6.229e-07
d
yr
n .08363798410012184 4.4206e-09 deg/d
Q 5.627854260256187 1.983e-07 au
  Orbit Determination Parameters
   # obs. used (total)      552  
   data-arc span      11189 days (30.63 yr)  
   first obs. used      1988-09-16  
   last obs. used      2019-05-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53672  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:46:51  

Additional Information
 Earth MOID = 3.75134 au 
 Jupiter MOID = .318981 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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