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379754 (2011 GP84)
Classification: Main-belt Asteroid          SPK-ID: 2379754
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1275325763637563 5.5201e-08  
a 2.888799802837702 4.3422e-08 au
q 2.520383721382698 1.6054e-07 au
i 1.89652315841113 5.5853e-06 deg
node 196.7180526408269 0.00018176 deg
peri 98.71537309107629 0.00018311 deg
M 231.0273254511691 2.4149e-05 deg
tp 2459642.995071811034
(2022-Mar-04.49507181)
0.00012393 TDB
period 1793.389387799346
4.91
4.0435e-05
1.107e-07
d
yr
n .2007372199529703 4.5259e-09 deg/d
Q 3.257215884292705 4.8959e-08 au
  Orbit Determination Parameters
   # obs. used (total)      175  
   data-arc span      5521 days (15.12 yr)  
   first obs. used      2004-12-20  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65044  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 03:13:35  

Additional Information
 Earth MOID = 1.5053 au 
 Jupiter MOID = 1.92633 au 
 T_jup = 3.278 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457445.5 (2016-Feb-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1268594678670776 5.5163e-08  
q 2.523050830738363 1.6002e-07 au
tp 2457847.002811903020
(2017-Apr-03.50281190)
0.00011869 TDB
node 196.7346577822892 0.00018179 deg
peri 98.23612251390891 0.00018314 deg
i 1.895780430075355 5.5857e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      175  
   data-arc span      5521 days (15.12 yr)  
   first obs. used      2004-12-20  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65044  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 03:13:35  

Additional Information
 Jupiter MOID = 1.92633 au 
 T_jup = 3.278 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.042976502554625E-15 -8.579916163645325E-15 1.194821283759801E-12 -8.667704267560594E-15 2.81452272893977E-13 1.383763123566732E-15
q -8.579916163645325E-15 2.560591920337076E-14 -3.506662284445061E-12 2.55545811661574E-14 -8.829370933177318E-13 -3.484495881570543E-15
tp 1.194821283759801E-12 -3.506662284445061E-12 1.40863790875178E-8 -2.854355329575862E-11 2.68823478940693E-9 6.629275673009694E-13
node -8.667704267560594E-15 2.55545811661574E-14 -2.854355329575862E-11 3.30466066327317E-8 -3.303356022254399E-8 -3.092442785068865E-10
peri 2.81452272893977E-13 -8.829370933177318E-13 2.68823478940693E-9 -3.303356022254399E-8 3.35416150448041E-8 3.092085669711162E-10
i 1.383763123566732E-15 -3.484495881570543E-15 6.629275673009694E-13 -3.092442785068865E-10 3.092085669711162E-10 3.12005737344462E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.5   n/a MPO418933  

379754 (2011 GP84)          Discovered 2008-Oct-27 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2013-11-20

[ show close-approach data ]
Alternate Designations
 2011 GP84 = 2008 WR28 = 2011 HG103 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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