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215349 (2001 VA128)
Classification: Jupiter Trojan          SPK-ID: 2215349
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1181844159913048 6.6979e-08  
a 5.156797796285911 1.3884e-07 au
q 4.547344660346613 4.0108e-07 au
i 9.211433928362787 7.0653e-06 deg
node 137.7808183229434 4.1748e-05 deg
peri 186.0865467463754 5.2388e-05 deg
M 266.0101044136603 3.7107e-05 deg
tp 2460117.227592853105
(2023-Jun-21.72759285)
0.00047008 TDB
period 4277.288860884179
11.71
0.00017274
4.729e-07
d
yr
n .0841654636169657 3.3991e-09 deg/d
Q 5.766250932225209 1.5525e-07 au
  Orbit Determination Parameters
   # obs. used (total)      215  
   data-arc span      7147 days (19.57 yr)  
   first obs. used      2000-09-26  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54691  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 09:17:38  

Additional Information
 Earth MOID = 3.53528 au 
 Jupiter MOID = .382163 au 
 T_jup = 2.961 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456963.5 (2014-Nov-02.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1174168698956602 6.7069e-08  
q 4.556151091208673 4.0238e-07 au
tp 2455847.194929554069
(2011-Oct-12.69492955)
0.00037841 TDB
node 137.7677672327513 4.1758e-05 deg
peri 186.7337904830297 5.2479e-05 deg
i 9.207617199375441 7.0616e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      215  
   data-arc span      7147 days (19.57 yr)  
   first obs. used      2000-09-26  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54691  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 09:17:38  

Additional Information
 Jupiter MOID = .382163 au 
 T_jup = 2.961 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.498194499058697E-15 -2.579094088980062E-14 1.358323121867079E-12 4.659878021204319E-15 1.504954903329579E-14 -2.759426702152551E-16
q -2.579094088980062E-14 1.61906574109793E-13 1.061258122485729E-11 -2.341934930279239E-14 1.776950837522924E-12 7.333364891254307E-15
tp 1.358323121867079E-12 1.061258122485729E-11 1.431919064908671E-7 -3.417217821869561E-11 1.209582701035005E-8 8.435478015092207E-12
node 4.659878021204319E-15 -2.341934930279239E-14 -3.417217821869561E-11 1.743769909776583E-9 -1.72377834955195E-9 4.622229046214961E-11
peri 1.504954903329579E-14 1.776950837522924E-12 1.209582701035005E-8 -1.72377834955195E-9 2.75407441019043E-9 -4.482402849233027E-11
i -2.759426702152551E-16 7.333364891254307E-15 8.435478015092207E-12 4.622229046214961E-11 -4.482402849233027E-11 4.986599967058732E-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 13.3   n/a MPO470312  

215349 (2001 VA128)          Discovered 2001-Nov-11 by Sloan Digital Sky Survey at Apache Point
Reference: 20090607/Numbers.arcLast Updated: 2009-06-08

Alternate Designations
 2001 VA128 = 2006 DN111 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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