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52511 (1996 GH12)
Classification: Jupiter Trojan          SPK-ID: 2052511
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06659831154882792 5.8865e-08  
a 5.242932064179847 8.9549e-08 au
q 4.893761641140258 3.1913e-07 au
i 9.404656778647205 4.2134e-06 deg
node 123.2829465143463 3.8838e-05 deg
peri 101.1932220343652 5.4391e-05 deg
M 22.17989841529146 3.5052e-05 deg
tp 2458930.342627152349
(2020-Mar-21.84262715)
0.00042991 TDB
period 4384.900796394212
12.01
0.00011234
3.076e-07
d
yr
n .08209991895279248 2.1034e-09 deg/d
Q 5.592102487219436 9.5513e-08 au
  Orbit Determination Parameters
   # obs. used (total)      929  
   data-arc span      10908 days (29.86 yr)  
   first obs. used      1990-10-25  
   last obs. used      2020-09-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48872  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 10:45:52  

Additional Information
 Earth MOID = 3.89942 au 
 Jupiter MOID = .0276718 au 
 T_jup = 2.969 
[ 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 12.14   n/a E2021B10  
diameter diameter 21.583 km 0.799 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.060   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

52511 (1996 GH12)          Discovered 1996-Apr-15 by Spacewatch at Kitt Peak
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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