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101779 (1999 GJ8)
Classification: Main-belt Asteroid          SPK-ID: 2101779
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 .2042197947610662 5.5459e-08  
a 2.662657579848382 1.6909e-08 au
q 2.118890195372749 1.515e-07 au
i 6.001193374837728 5.5763e-06 deg
node 1.71860884881422 4.0077e-05 deg
peri 202.1154234226109 4.1851e-05 deg
M 307.8550818081059 1.5418e-05 deg
tp 2459230.369258871267
(2021-Jan-15.86925887)
6.9409e-05 TDB
period 1586.979825898356
4.34
1.5117e-05
4.139e-08
d
yr
n .2268459838777166 2.1609e-09 deg/d
Q 3.206424964324016 2.0363e-08 au
  Orbit Determination Parameters
   # obs. used (total)      536  
   data-arc span      7737 days (21.18 yr)  
   first obs. used      1999-03-09  
   last obs. used      2020-05-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55654  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:58:33  

Additional Information
 Earth MOID = 1.11712 au 
 Jupiter MOID = 1.76544 au 
 T_jup = 3.347 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456892.5 (2014-Aug-23.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2049801945347081 5.5343e-08  
q 2.115840897535039 1.5112e-07 au
tp 2457643.963666913004
(2016-Sep-12.46366691)
6.0346e-05 TDB
node 1.744454586352931 4.0067e-05 deg
peri 202.2128184212125 4.1844e-05 deg
i 6.003822830812899 5.5779e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      536  
   data-arc span      7737 days (21.18 yr)  
   first obs. used      1999-03-09  
   last obs. used      2020-05-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55654  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:58:33  

Additional Information
 Jupiter MOID = 1.76544 au 
 T_jup = 3.347 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.062880482616304E-15 -8.332824971779696E-15 -1.595614853861778E-12 -2.060667861036786E-14 -1.911447853355923E-13 -3.764301458069456E-15
q -8.332824971779696E-15 2.283747993465332E-14 4.661563915942138E-12 5.769411157795893E-14 5.687368798878241E-13 1.094426509566809E-14
tp -1.595614853861778E-12 4.661563915942138E-12 3.641643363027589E-9 1.959487418161511E-11 7.207716935662391E-10 6.804632090577485E-12
node -2.060667861036786E-14 5.769411157795893E-14 1.959487418161511E-11 1.605335697668263E-9 -1.592729104134118E-9 -4.11896988943319E-11
peri -1.911447853355923E-13 5.687368798878241E-13 7.207716935662391E-10 -1.592729104134118E-9 1.750902680030428E-9 4.229971318066517E-11
i -3.764301458069456E-15 1.094426509566809E-14 6.804632090577485E-12 -4.11896988943319E-11 4.229971318066517E-11 3.11128125840338E-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 15.5   n/a MPO417514  

101779 (1999 GJ8)          Discovered 1999-Apr-09 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1999 GJ8 = 2003 CN6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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