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441770 (2009 DQ3)
Classification: Main-belt Asteroid          SPK-ID: 2441770
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02400493795044055 1.1171e-07  
a 2.712084715018442 4.1087e-08 au
q 2.646981289718086 3.2048e-07 au
i 5.702463046889233 1.36e-05 deg
node 335.6501410875773 6.7568e-05 deg
peri 32.59510779752988 0.0002529 deg
M 336.6360141106669 0.00024852 deg
tp 2459106.376051861094
(2020-Sep-13.87605186)
0.0011272 TDB
period 1631.373124882584
4.47
3.7072e-05
1.015e-07
d
yr
n .2206729990270685 5.0146e-09 deg/d
Q 2.777188140318798 4.2073e-08 au
  Orbit Determination Parameters
   # obs. used (total)      110  
   data-arc span      8951 days (24.51 yr)  
   first obs. used      1993-09-15  
   last obs. used      2018-03-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6291  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:49:46  

Additional Information
 Earth MOID = 1.64485 au 
 Jupiter MOID = 2.32395 au 
 T_jup = 3.355 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457039.5 (2015-Jan-17.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02632307519462181 1.1196e-07  
q 2.641296553216157 3.2205e-07 au
tp 2457473.051515471617
(2016-Mar-25.55151547)
0.0010066 TDB
node 335.8146535628837 6.7627e-05 deg
peri 32.28634546947757 0.00023044 deg
i 5.700974253876877 1.3591e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      110  
   data-arc span      8951 days (24.51 yr)  
   first obs. used      1993-09-15  
   last obs. used      2018-03-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6291  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:49:46  

Additional Information
 Jupiter MOID = 2.32395 au 
 T_jup = 3.355 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.253530728040547E-14 -3.582111946251427E-14 -7.775499908040294E-11 -4.951826708488522E-14 -1.672991274217741E-11 -1.755341054562875E-14
q -3.582111946251427E-14 1.037173686123188E-13 2.264460597116548E-10 1.3938205080851E-13 4.867730124497234E-11 5.39338647901735E-14
tp -7.775499908040294E-11 2.264460597116548E-10 1.013184660638256E-6 5.508896172179443E-10 2.217400441298701E-7 1.125242104390369E-10
node -4.951826708488522E-14 1.3938205080851E-13 5.508896172179443E-10 4.57338153343847E-9 -4.428610312833151E-9 -3.18663698927615E-10
peri -1.672991274217741E-11 4.867730124497234E-11 2.217400441298701E-7 -4.428610312833151E-9 5.310388242570656E-8 3.413739699140475E-10
i -1.755341054562875E-14 5.39338647901735E-14 1.125242104390369E-10 -3.18663698927615E-10 3.413739699140475E-10 1.847083811109743E-10

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.9   n/a MPO437717  

441770 (2009 DQ3)          Discovered 2009-Feb-19 by Hug, G. at Sandlot
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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