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362121 (2009 DY6)
Classification: Main-belt Asteroid          SPK-ID: 2362121
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1325303561171723 5.0717e-08  
a 2.365067062868077 1.5265e-08 au
q 2.051623882785176 1.1646e-07 au
i 3.201994977023768 5.8135e-06 deg
node 209.2492508228143 9.5747e-05 deg
peri 272.5031324991334 9.8455e-05 deg
M 172.3689575544994 2.2405e-05 deg
tp 2458760.407652087410
(2019-Oct-03.90765209)
8.1155e-05 TDB
period 1328.506295433906
3.64
1.2862e-05
3.521e-08
d
yr
n .270981026764664 2.6235e-09 deg/d
Q 2.678510242950978 1.7288e-08 au
  Orbit Determination Parameters
   # obs. used (total)      260  
   data-arc span      7052 days (19.31 yr)  
   first obs. used      2002-04-14  
   last obs. used      2021-08-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54242  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 22:54:26  

Additional Information
 Earth MOID = 1.07084 au 
 Jupiter MOID = 2.39425 au 
 T_jup = 3.534 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457629.5 (2016-Aug-29.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .133334026831782 5.0893e-08  
q 2.049399357267213 1.1719e-07 au
tp 2457434.079856984449
(2016-Feb-15.57985698)
7.8935e-05 TDB
node 209.2904288296999 9.5762e-05 deg
peri 272.7330139785619 9.8415e-05 deg
i 3.20177097541105 5.8141e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      260  
   data-arc span      7052 days (19.31 yr)  
   first obs. used      2002-04-14  
   last obs. used      2021-08-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54242  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 22:54:26  

Additional Information
 Jupiter MOID = 2.39425 au 
 T_jup = 3.534 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.590090727249944E-15 -5.928592110135999E-15 1.302260335082692E-12 4.268178466469303E-16 3.264971314815433E-13 -1.733855673995153E-15
q -5.928592110135999E-15 1.373332178077592E-14 -3.062575890627055E-12 -2.450075750021501E-15 -7.668333152573673E-13 3.935719524232297E-15
tp 1.302260335082692E-12 -3.062575890627055E-12 6.230725140896743E-9 -3.643946753332401E-11 1.815888127243963E-9 -6.518807091294848E-13
node 4.268178466469303E-16 -2.450075750021501E-15 -3.643946753332401E-11 9.170337966114773E-9 -9.16607561504474E-9 -1.923364379415133E-10
peri 3.264971314815433E-13 -7.668333152573673E-13 1.815888127243963E-9 -9.16607561504474E-9 9.685459606052857E-9 1.919030233079217E-10
i -1.733855673995153E-15 3.935719524232297E-15 -6.518807091294848E-13 -1.923364379415133E-10 1.919030233079217E-10 3.380338388335678E-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 17.10   n/a E2021B25  

362121 (2009 DY6)          Discovered 2009-Feb-17 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-04-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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