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43518 (2001 DQ15)
Classification: Main-belt Asteroid          SPK-ID: 2043518
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08802762339212179 4.1423e-08  
a 3.188562222446782 2.5152e-08 au
q 2.907880667966889 1.2647e-07 au
i 7.974130714364294 4.5652e-06 deg
node 98.8935196412811 2.864e-05 deg
peri 95.10174642029557 3.929e-05 deg
M 167.0354375372399 2.5868e-05 deg
tp 2458431.567598950080
(2018-Nov-09.06759895)
0.00014844 TDB
period 2079.652494702061
5.69
2.4607e-05
6.737e-08
d
yr
n .1731058438451156 2.0483e-09 deg/d
Q 3.469243776926674 2.7366e-08 au
  Orbit Determination Parameters
   # obs. used (total)      549  
   data-arc span      16856 days (46.15 yr)  
   first obs. used      1974-07-23  
   last obs. used      2020-09-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54301  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:20:35  

Additional Information
 Earth MOID = 1.92193 au 
 Jupiter MOID = 1.55912 au 
 T_jup = 3.176 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457689.5 (2016-Oct-28.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08301300805781152 4.1521e-08  
q 2.927553831003783 1.2598e-07 au
tp 2458431.976616254168
(2018-Nov-09.47661625)
0.00015771 TDB
node 98.96229666821033 2.8604e-05 deg
peri 95.66725135242297 4.0282e-05 deg
i 7.974928433756169 4.5664e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      549  
   data-arc span      16856 days (46.15 yr)  
   first obs. used      1974-07-23  
   last obs. used      2020-09-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54301  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:20:35  

Additional Information
 Jupiter MOID = 1.55912 au 
 T_jup = 3.176 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.724034853630398E-15 -5.151985667857498E-15 -1.895600928233305E-13 -8.062658797607308E-15 -1.1004874031099E-13 -1.344270438774166E-15
q -5.151985667857498E-15 1.586999362291781E-14 6.846046405236245E-13 2.155942719845278E-14 3.176786275597273E-13 5.33890184293356E-15
tp -1.895600928233305E-13 6.846046405236245E-13 2.487262853337015E-8 3.433185828421612E-13 4.476308505875558E-9 -2.855721436751372E-12
node -8.062658797607308E-15 2.155942719845278E-14 3.433185828421612E-13 8.182089764261039E-10 -8.095787323908724E-10 -5.744297870516283E-12
peri -1.1004874031099E-13 3.176786275597273E-13 4.476308505875558E-9 -8.095787323908724E-10 1.622625863685846E-9 5.167979856155275E-12
i -1.344270438774166E-15 5.33890184293356E-15 -2.855721436751372E-12 -5.744297870516283E-12 5.167979856155275E-12 2.085175394693998E-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 14.90   n/a MPCxxxxx  

43518 (2001 DQ15)          Discovered 2001-Feb-16 by LINEAR at Socorro
Reference: 20020624/Numbers.arcLast Updated: 2004-04-19

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