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212990 (2009 DT24)
Classification: Main-belt Asteroid          SPK-ID: 2212990
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07642035239810638 1.2194e-07  
a 2.906174252727005 3.9509e-08 au
q 2.684083392203304 3.5196e-07 au
i 3.07746713110101 6.3831e-06 deg
node 80.62166260157028 0.00024469 deg
peri 237.746345833931 0.00026238 deg
M 315.2699664787612 9.8242e-05 deg
tp 2459225.342096410753
(2021-Jan-10.84209641)
0.00049499 TDB
period 1809.592981177567
4.95
3.6902e-05
1.01e-07
d
yr
n .1989397636620668 4.0568e-09 deg/d
Q 3.128265113250706 4.2528e-08 au
  Orbit Determination Parameters
   # obs. used (total)      167  
   data-arc span      6434 days (17.62 yr)  
   first obs. used      2001-09-12  
   last obs. used      2019-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56119  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:52:34  

Additional Information
 Earth MOID = 1.67233 au 
 Jupiter MOID = 2.08617 au 
 T_jup = 3.279 
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Orbital Elements at Epoch 2457033.5 (2015-Jan-11.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07533091040787733 1.2414e-07  
q 2.685196683320422 3.5657e-07 au
tp 2457423.786753930890
(2016-Feb-05.28675393)
0.00048111 TDB
node 80.62736176826974 0.00024466 deg
peri 239.0782379340452 0.00026202 deg
i 3.078253817006901 6.3892e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      167  
   data-arc span      6434 days (17.62 yr)  
   first obs. used      2001-09-12  
   last obs. used      2019-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56119  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:52:34  

Additional Information
 Jupiter MOID = 2.08617 au 
 T_jup = 3.279 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.541155145882693E-14 -4.402834313424856E-14 5.03489600720292E-11 -3.580332937716364E-13 9.887738086351508E-12 6.419987923333744E-15
q -4.402834313424856E-14 1.271421066373822E-13 -1.423767638749143E-10 1.011752079030202E-12 -2.801744418830645E-11 -1.752699649596749E-14
tp 5.03489600720292E-11 -1.423767638749143E-10 2.314662206406522E-7 -1.381996855732582E-9 4.550889271002647E-8 2.272759128974451E-11
node -3.580332937716364E-13 1.011752079030202E-12 -1.381996855732582E-9 5.985692679572762E-8 -6.003384981250875E-8 -6.704380467947188E-10
peri 9.887738086351508E-12 -2.801744418830645E-11 4.550889271002647E-8 -6.003384981250875E-8 6.865525662474464E-8 6.737591232455009E-10
i 6.419987923333744E-15 -1.752699649596749E-14 2.272759128974451E-11 -6.704380467947188E-10 6.737591232455009E-10 4.082148066076455E-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 15.8   n/a MPO433392  

212990 (2009 DT24)          Discovered 2009-Feb-21 by Spacewatch at Kitt Peak
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

Alternate Designations
 2009 DT24 = 2006 SL40 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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