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37705 (1996 GD20)
Classification: Main-belt Asteroid          SPK-ID: 2037705
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09981765079445268 2.9832e-08  
a 2.179861636965025 7.0924e-09 au
q 1.962272969306227 6.4097e-08 au
i 4.686344763979468 4.6578e-06 deg
node 189.531025488254 4.5714e-05 deg
peri 72.08706123300807 5.293e-05 deg
M 136.826071278059 2.6338e-05 deg
tp 2458553.705132272388
(2019-Mar-11.20513227)
8.6037e-05 TDB
period 1175.551931583766
3.22
5.7372e-06
1.571e-08
d
yr
n .3062391293211426 1.4946e-09 deg/d
Q 2.397450304623824 7.8004e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1181  
   data-arc span      8659 days (23.71 yr)  
   first obs. used      1996-03-24  
   last obs. used      2019-12-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56222  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 04:36:44  

Additional Information
 Earth MOID = .953154 au 
 Jupiter MOID = 2.64357 au 
 T_jup = 3.671 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457044.5 (2015-Jan-22.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09964560406055351 2.9824e-08  
q 1.963255136290211 6.4056e-08 au
tp 2457378.149148744739
(2015-Dec-21.64914874)
8.6612e-05 TDB
node 189.561240972604 4.5709e-05 deg
peri 72.08071941298344 5.2938e-05 deg
i 4.685730607516748 4.658e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1181  
   data-arc span      8659 days (23.71 yr)  
   first obs. used      1996-03-24  
   last obs. used      2019-12-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56222  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 04:36:44  

Additional Information
 Jupiter MOID = 2.64357 au 
 T_jup = 3.671 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.894520017950602E-16 -1.901130560483028E-15 7.177188113680746E-13 -2.804190498073178E-15 2.177001614672459E-13 -1.484139853013367E-16
q -1.901130560483028E-15 4.103140827993509E-15 -1.615802000229952E-12 5.844502421151321E-15 -4.941078479030126E-13 3.308447263542969E-16
tp 7.177188113680746E-13 -1.615802000229952E-12 7.501683394510356E-9 -5.300708922280818E-13 2.324300442871887E-9 -1.085082649546242E-12
node -2.804190498073178E-15 5.844502421151321E-15 -5.300708922280818E-13 2.089288184070709E-9 -2.081954116753407E-9 -8.998452440896782E-11
peri 2.177001614672459E-13 -4.941078479030126E-13 2.324300442871887E-9 -2.081954116753407E-9 2.802383172797801E-9 8.935650786872392E-11
i -1.484139853013367E-16 3.308447263542969E-16 -1.085082649546242E-12 -8.998452440896782E-11 8.935650786872392E-11 2.169688371275691E-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 15.6   n/a MPO385056  

37705 (1996 GD20)          Discovered 1996-Apr-15 by Elst, E. W. at La Silla
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1996 GD20 = 2000 RK2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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