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48767 Skamander (1997 JG15)
Classification: Jupiter Trojan          SPK-ID: 2048767
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0674542407804184 5.2501e-08  
a 5.216555551483412 1.4136e-07 au
q 4.864676757269222 3.1722e-07 au
i 29.05446115286428 6.8644e-06 deg
node 227.9967113504733 1.1026e-05 deg
peri 101.9093583190944 6.4872e-05 deg
M 242.0047713448045 6.9484e-05 deg
tp 2460426.882911328748
(2024-Apr-26.38291133)
0.00087803 TDB
period 4351.852646337825
11.91
0.00017689
4.843e-07
d
yr
n .08272338915311105 3.3625e-09 deg/d
Q 5.568434345697603 1.5089e-07 au
  Orbit Determination Parameters
   # obs. used (total)      625  
   data-arc span      8396 days (22.99 yr)  
   first obs. used      1997-05-03  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55636  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 09:48:09  

Additional Information
 Earth MOID = 3.98807 au 
 Jupiter MOID = .131575 au 
 T_jup = 2.744 
[ 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 11.9   n/a MPO432045  
diameter diameter 21.815 km 0.607 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.078   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

48767 Skamander           Discovered 1997 May 3 by E. W. Elst at the European Southern Observatory.
Skamander (Skamandros), a son of Zeus, fought on the side of the Trojans in the Trojan War and tried to kill Achilles three times.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20120703/MPCPages.arcLast Updated: 2012-07-09

Alternate Designations
 1997 JG15 = 2001 XB15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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