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203865 (2002 WV27)
Classification: Jupiter Trojan          SPK-ID: 2203865
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0163901327939309 7.9396e-08  
a 5.202681257507709 1.6189e-07 au
q 5.117408620812663 5.2161e-07 au
i 5.819084441324084 7.8686e-06 deg
node 215.7011719703161 4.8525e-05 deg
peri 49.84126624936469 0.00020537 deg
M 2.871708896175996 0.00019759 deg
tp 2459361.923807365613
(2021-May-27.42380737)
0.0023795 TDB
period 4334.502485594753
11.87
0.00020232
5.539e-07
d
yr
n .08305451460609857 3.8767e-09 deg/d
Q 5.287953894202756 1.6455e-07 au
  Orbit Determination Parameters
   # obs. used (total)      281  
   data-arc span      7233 days (19.80 yr)  
   first obs. used      2000-09-04  
   last obs. used      2020-06-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52689  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:03:14  

Additional Information
 Earth MOID = 4.10539 au 
 Jupiter MOID = .274569 au 
 T_jup = 2.989 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457704.5 (2016-Nov-12.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01407291668092307 7.9185e-08  
q 5.124225027343394 5.2193e-07 au
tp 2459351.024773782626
(2021-May-16.52477378)
0.0027583 TDB
node 215.7114031378082 4.8513e-05 deg
peri 48.70753259472401 0.0002366 deg
i 5.821207207152986 7.8714e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      281  
   data-arc span      7233 days (19.80 yr)  
   first obs. used      2000-09-04  
   last obs. used      2020-06-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52689  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:03:14  

Additional Information
 Jupiter MOID = .274569 au 
 T_jup = 2.989 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.270241317877025E-15 -3.995220802324304E-14 -4.178454297043491E-11 1.667003413867096E-15 -2.995288995575958E-12 5.711278697956518E-16
q -3.995220802324304E-14 2.724108519936299E-13 1.021517863782982E-10 5.744418126121851E-16 4.685046948898301E-12 -2.059971387354058E-15
tp -4.178454297043491E-11 1.021517863782982E-10 7.608287355146198E-6 -2.055328858530276E-10 6.38419544524132E-7 -3.845668763483181E-12
node 1.667003413867096E-15 5.744418126121851E-16 -2.055328858530276E-10 2.353486484211087E-9 -2.358668200706887E-9 6.171765635545008E-11
peri -2.995288995575958E-12 4.685046948898301E-12 6.38419544524132E-7 -2.358668200706887E-9 5.59816740626439E-8 -6.175655901258244E-11
i 5.711278697956518E-16 -2.059971387354058E-15 -3.845668763483181E-12 6.171765635545008E-11 -6.175655901258244E-11 6.195945021083755E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.40   n/a E2021B55  
diameter diameter 11.393 km 1.436 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  
geometric albedo albedo 0.054   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2011ApJ...742...40G)  

203865 (2002 WV27)          Discovered 2002-Nov-16 by NEAT at Palomar
Reference: 20090111/Numbers.arcLast Updated: 2009-02-03

Alternate Designations
 2002 WV27 = 2008 KC15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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