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181648 (2007 EE1)
Classification: Jupiter Trojan          SPK-ID: 2181648
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02976290938233045 6.7736e-08  
a 5.146055262390107 1.3316e-07 au
q 4.992893685939126 3.6864e-07 au
i 3.228752573908609 6.7238e-06 deg
node 210.3823660889238 9.1464e-05 deg
peri 131.9154234896269 0.000126 deg
M 230.9983941489517 8.9761e-05 deg
tp 2460728.427372313466
(2025-Feb-21.92737231)
0.0010963 TDB
period 4263.930285239763
11.67
0.00016551
4.531e-07
d
yr
n .08442914773869409 3.2771e-09 deg/d
Q 5.299216838841088 1.3713e-07 au
  Orbit Determination Parameters
   # obs. used (total)      395  
   data-arc span      6823 days (18.68 yr)  
   first obs. used      2001-09-20  
   last obs. used      2020-05-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55488  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:31:28  

Additional Information
 Earth MOID = 3.98384 au 
 Jupiter MOID = .0832172 au 
 T_jup = 2.996 
[ 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 13.42   n/a E2021B55  

181648 (2007 EE1)          Discovered 2007-Mar-06 by NEAT at Palomar
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

Alternate Designations
 2007 EE1 = 2002 TU140 = 2005 YP231 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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