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120195 (2004 DL15)
Classification: Main-belt Asteroid          SPK-ID: 2120195
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1460914070791075 4.4667e-08  
a 2.174395753397309 9.2424e-09 au
q 1.85673521823666 9.4866e-08 au
i 3.158704905195045 3.7056e-06 deg
node 279.2280728791725 9.2716e-05 deg
peri 18.87327318724558 9.5159e-05 deg
M 236.5484444633429 2.4287e-05 deg
tp 2459402.106172874099
(2021-Jul-06.60617287)
8.0452e-05 TDB
period 1171.133256330215
3.21
7.4669e-06
2.044e-08
d
yr
n .3073945668045256 1.9599e-09 deg/d
Q 2.492056288557957 1.0593e-08 au
  Orbit Determination Parameters
   # obs. used (total)      625  
   data-arc span      8035 days (22.00 yr)  
   first obs. used      1998-04-22  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5962  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:35:33  

Additional Information
 Earth MOID = .84124 au 
 Jupiter MOID = 2.69059 au 
 T_jup = 3.670 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457315.5 (2015-Oct-20.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1465108186032307 4.4733e-08  
q 1.855792477280594 9.507e-08 au
tp 2457059.646066933723
(2015-Feb-06.14606693)
7.2782e-05 TDB
node 279.2961758813055 9.2747e-05 deg
peri 18.80252773560174 9.5182e-05 deg
i 3.158096970217508 3.706e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      625  
   data-arc span      8035 days (22.00 yr)  
   first obs. used      1998-04-22  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5962  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:35:33  

Additional Information
 Jupiter MOID = 2.69059 au 
 T_jup = 3.670 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.001066894659897E-15 -4.239748605652971E-15 1.99096053303873E-12 -2.383405810914075E-14 5.702130027660947E-13 -1.272506510458541E-15
q -4.239748605652971E-15 9.038304618979614E-15 -4.085530086926584E-12 4.924642778349419E-14 -1.165930138979262E-12 2.637860444380236E-15
tp 1.99096053303873E-12 -4.085530086926584E-12 5.297163876686921E-9 -5.176240342858432E-11 1.584560907114012E-9 -3.274324711879014E-12
node -2.383405810914075E-14 4.924642778349419E-14 -5.176240342858432E-11 8.602096083186541E-9 -8.604093207270281E-9 6.861880171181692E-11
peri 5.702130027660947E-13 -1.165930138979262E-12 1.584560907114012E-9 -8.604093207270281E-9 9.05959505328195E-9 -6.947483404425394E-11
i -1.272506510458541E-15 2.637860444380236E-15 -3.274324711879014E-12 6.861880171181692E-11 -6.947483404425394E-11 1.373434616755628E-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 16.6   n/a MPO417626  

120195 (2004 DL15)          Discovered 2004-Feb-17 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

Alternate Designations
 2004 DL15 = 2005 LD47 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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