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382996 (2005 GR227)
Classification: Main-belt Asteroid          SPK-ID: 2382996
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1842410378002449 5.0787e-08  
a 2.211496459398523 1.5818e-08 au
q 1.804048056627372 1.124e-07 au
i 6.907862562554646 4.2602e-06 deg
node 136.4528550183695 5.2727e-05 deg
peri 111.496556935737 5.4863e-05 deg
M 179.8719512208974 1.7022e-05 deg
tp 2458400.310014727477
(2018-Oct-08.81001473)
5.3274e-05 TDB
period 1201.234507278785
3.29
1.2888e-05
3.529e-08
d
yr
n .2996916903557204 3.2154e-09 deg/d
Q 2.618944862169673 1.8733e-08 au
  Orbit Determination Parameters
   # obs. used (total)      201  
   data-arc span      5320 days (14.57 yr)  
   first obs. used      2005-04-05  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64965  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 12:39:11  

Additional Information
 Earth MOID = .804007 au 
 Jupiter MOID = 2.43694 au 
 T_jup = 3.625 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457438.5 (2016-Feb-20.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1841170261327042 5.0758e-08  
q 1.804387230107324 1.1232e-07 au
tp 2457199.390614907304
(2015-Jun-25.89061491)
4.8271e-05 TDB
node 136.4845475539631 5.2732e-05 deg
peri 111.5195613025768 5.4879e-05 deg
i 6.907429503050456 4.2607e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      201  
   data-arc span      5320 days (14.57 yr)  
   first obs. used      2005-04-05  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64965  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 12:39:11  

Additional Information
 Jupiter MOID = 2.43694 au 
 T_jup = 3.625 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.576400509454752E-15 -5.663361322652024E-15 -9.89455163726625E-13 -6.502446599465294E-14 -2.38338893701847E-13 -1.408813765611617E-14
q -5.663361322652024E-15 1.261551308068902E-14 2.366553919435967E-12 1.461768914293183E-13 5.906328301407139E-13 3.175506497275071E-14
tp -9.89455163726625E-13 2.366553919435967E-12 2.330105328922979E-9 3.634222527315822E-11 7.725159696099772E-10 9.766210340625944E-12
node -6.502446599465294E-14 1.461768914293183E-13 3.634222527315822E-11 2.780690211005083E-9 -2.749238011859278E-9 5.656242253226295E-11
peri -2.38338893701847E-13 5.906328301407139E-13 7.725159696099772E-10 -2.749238011859278E-9 3.011736451504863E-9 -5.302656133173872E-11
i -1.408813765611617E-14 3.175506497275071E-14 9.766210340625944E-12 5.656242253226295E-11 -5.302656133173872E-11 1.815324480342389E-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 17.6   n/a MPO437567  

382996 (2005 GR227)          Discovered 2005-Apr-05 by LONEOS at Anderson Mesa
Reference: Last Updated: 2014-01-21

[ show close-approach data ]
Alternate Designations
 2005 GR227 = 2008 DY2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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