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JPL Small-Body Database Browser
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201040 (2002 EX7)
Classification: Jupiter Trojan          SPK-ID: 2201040
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .066211692912876 8.6877e-08  
a 5.237743143313607 2.0775e-07 au
q 4.890943302752005 6.1214e-07 au
i 7.918088671625524 7.9497e-06 deg
node 337.4299317796547 4.0976e-05 deg
peri 52.59300313089033 7.3578e-05 deg
M 292.5057653296756 6.5606e-05 deg
tp 2459421.378533538835
(2021-Jul-25.87853354)
0.0008168 TDB
period 4378.392814103748
11.99
0.0002605
7.132e-07
d
yr
n .08222195113247088 4.892e-09 deg/d
Q 5.58454298387521 2.2151e-07 au
  Orbit Determination Parameters
   # obs. used (total)      358  
   data-arc span      8486 days (23.23 yr)  
   first obs. used      1996-09-11  
   last obs. used      2019-12-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54551  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 14:33:57  

Additional Information
 Earth MOID = 3.90208 au 
 Jupiter MOID = .00737514 au 
 T_jup = 2.977 
[ 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 12.6   n/a MPO257876  
diameter diameter 16.884 km 0.522 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.052   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

201040 (2002 EX7)          Discovered 2002-Mar-10 by NEAT at Haleakala
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12

Alternate Designations
 2002 EX7 = 1996 RY28 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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