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192121 (2006 DG45)
Classification: Main-belt Asteroid          SPK-ID: 2192121
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1115694397088402 5.6888e-08  
a 3.146356092640868 3.0186e-08 au
q 2.795318906260431 1.7133e-07 au
i 4.358853374958778 6.0368e-06 deg
node 350.4269980637549 6.3756e-05 deg
peri 313.416514562839 6.9006e-05 deg
M 101.843896352681 2.571e-05 deg
tp 2458623.809573771538
(2019-May-20.30957377)
0.00014542 TDB
period 2038.497748783166
5.58
2.9336e-05
8.032e-08
d
yr
n .1766006365299612 2.5415e-09 deg/d
Q 3.497393279021305 3.3554e-08 au
  Orbit Determination Parameters
   # obs. used (total)      303  
   data-arc span      6734 days (18.44 yr)  
   first obs. used      2002-08-05  
   last obs. used      2021-01-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5933  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:14:46  

Additional Information
 Earth MOID = 1.78058 au 
 Jupiter MOID = 1.74478 au 
 T_jup = 3.195 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457958.5 (2017-Jul-24.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1142082138880344 5.6575e-08  
q 2.787301837793851 1.7185e-07 au
tp 2458624.225654581633
(2019-May-20.72565458)
0.00014254 TDB
node 350.6306278589602 6.352e-05 deg
peri 313.4808307020512 6.8577e-05 deg
i 4.36853727155798 6.0481e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      303  
   data-arc span      6734 days (18.44 yr)  
   first obs. used      2002-08-05  
   last obs. used      2021-01-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5933  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:14:46  

Additional Information
 Jupiter MOID = 1.74478 au 
 T_jup = 3.195 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.200692400716743E-15 -9.618271878465487E-15 1.240726627153678E-12 -1.67995850830258E-14 4.643995133763339E-14 -9.400075104339164E-16
q -9.618271878465487E-15 2.953123941289642E-14 -3.914692506926258E-12 5.167422611818583E-14 -2.157929392819205E-13 3.741019159886456E-15
tp 1.240726627153678E-12 -3.914692506926258E-12 2.031745645363674E-8 2.7217493594411E-12 3.678995025949381E-9 -8.222902268941992E-12
node -1.67995850830258E-14 5.167422611818583E-14 2.7217493594411E-12 4.034738950756522E-9 -4.020607139598706E-9 6.550829139224522E-11
peri 4.643995133763339E-14 -2.157929392819205E-13 3.678995025949381E-9 -4.020607139598706E-9 4.702805894716924E-9 -6.690270739183688E-11
i -9.400075104339164E-16 3.741019159886456E-15 -8.222902268941992E-12 6.550829139224522E-11 -6.690270739183688E-11 3.657911552007467E-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 15.77   n/a E2021B55  

192121 (2006 DG45)          Discovered 2006-Feb-20 by Spacewatch at Kitt Peak
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19

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