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233827 (2008 UF244)
Classification: Jupiter Trojan          SPK-ID: 2233827
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06567993131045499 8.1437e-08  
a 5.282370522856465 2.3345e-07 au
q 4.93542478975888 5.8943e-07 au
i 13.19316523715274 5.6788e-06 deg
node 111.1440737341966 3.2071e-05 deg
peri 281.4185880727641 6.6119e-05 deg
M 346.2009233056906 6.3067e-05 deg
tp 2459170.476642193098
(2020-Nov-16.97664219)
0.00077872 TDB
period 4434.46996817911
12.14
0.00029396
8.048e-07
d
yr
n .08118219371949514 5.3816e-09 deg/d
Q 5.62931625595405 2.4878e-07 au
  Orbit Determination Parameters
   # obs. used (total)      233  
   data-arc span      6354 days (17.40 yr)  
   first obs. used      2002-04-12  
   last obs. used      2019-09-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57952  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:12:55  

Additional Information
 Earth MOID = 3.97325 au 
 Jupiter MOID = .0396174 au 
 T_jup = 2.943 
[ 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 12.9   n/a MPO454691  
diameter diameter 12.603 km 1.251 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.084   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

233827 (2008 UF244)          Discovered 2008-Oct-26 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

Alternate Designations
 2008 UF244 = 2006 PU40 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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