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243494 (2009 UF74)
Classification: Jupiter Trojan          SPK-ID: 2243494
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1243143253827185 1.2035e-07  
a 5.279471169981898 3.0398e-07 au
q 4.623157273108087 8.347e-07 au
i 7.446397529327718 1.2022e-05 deg
node 12.56971899437036 0.00010225 deg
peri 29.07760968113183 0.00012573 deg
M 306.3525429848738 8.1529e-05 deg
tp 2459660.783888918915
(2022-Mar-22.28388892)
0.0010462 TDB
period 4430.819525029639
12.13
0.00038267
1.048e-06
d
yr
n .08124907773073692 7.0171e-09 deg/d
Q 5.93578506685571 3.4176e-07 au
  Orbit Determination Parameters
   # obs. used (total)      128  
   data-arc span      8355 days (22.87 yr)  
   first obs. used      1996-10-08  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60045  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:15:50  

Additional Information
 Earth MOID = 3.63381 au 
 Jupiter MOID = .195191 au 
 T_jup = 2.968 
[ 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 13.4   n/a MPO494333  
diameter diameter 10.999 km 1.000 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.053   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

243494 (2009 UF74)          Discovered 2009-Oct-21 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28

Alternate Designations
 2009 UF74 = 1996 TK68 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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