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52767 Ophelestes (1998 MW41)
Classification: Jupiter Trojan          SPK-ID: 2052767
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02533430198560712 5.4513e-08  
a 5.295938738789318 1.13e-07 au
q 5.161769827483554 3.6029e-07 au
i 12.80248575222096 5.5436e-06 deg
node 98.46848596809772 2.6801e-05 deg
peri 198.7991544858241 0.00016609 deg
M 281.8968089461428 0.00016794 deg
tp 2459966.282058890303
(2023-Jan-21.78205889)
0.0020821 TDB
period 4451.566402207051
12.19
0.00014247
3.901e-07
d
yr
n .08087040998007237 2.5882e-09 deg/d
Q 5.430107650095082 1.1586e-07 au
  Orbit Determination Parameters
   # obs. used (total)      810  
   data-arc span      16810 days (46.02 yr)  
   first obs. used      1974-06-18  
   last obs. used      2020-06-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55859  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:16:18  

Additional Information
 Earth MOID = 4.14774 au 
 Jupiter MOID = .0469647 au 
 T_jup = 2.949 
[ 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 11.8   n/a MPO436153  
diameter diameter 25.070 km 0.842 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.045   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

52767 Ophelestes           Discovered 1998 June 28 by E. W. Elst at the European Southern Observatory.
Ophelestes, a Trojan warrior, was killed by an arrow of Teucer, who was causing much havoc with his bow amongst the ranks of the Trojans.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20120406/MPCPages.arcLast Updated: 2012-04-09

Alternate Designations
 1998 MW41 = 1989 XV1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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