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233915 (2009 RE73)
Classification: Jupiter Trojan          SPK-ID: 2233915
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0501837907975466 5.5696e-08  
a 5.129622080620773 1.7179e-07 au
q 4.872198199256424 3.9504e-07 au
i 4.388713234187023 6.6471e-06 deg
node 222.140783752032 8.5461e-05 deg
peri 225.1085154176519 0.00012845 deg
M 281.9509123924163 0.00010174 deg
tp 2459920.508440630596
(2022-Dec-07.00844063)
0.0012286 TDB
period 4243.522234266745
11.62
0.00021317
5.836e-07
d
yr
n .08483518646207962 4.2617e-09 deg/d
Q 5.387045961985121 1.8041e-07 au
  Orbit Determination Parameters
   # obs. used (total)      280  
   data-arc span      7626 days (20.88 yr)  
   first obs. used      1998-11-16  
   last obs. used      2019-10-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59502  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 01:38:16  

Additional Information
 Earth MOID = 3.89026 au 
 Jupiter MOID = .0420278 au 
 T_jup = 2.992 
[ 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 13.2   n/a MPO440206  
diameter diameter 10.905 km 1.401 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.071   0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

233915 (2009 RE73)          Discovered 2009-Sep-14 by Spacewatch at Kitt Peak
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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