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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1461583277928431 4.4693e-08  
a 2.174112182499663 9.2064e-09 au
q 1.856347581471464 9.4938e-08 au
i 3.158683900846551 3.7056e-06 deg
node 279.2255175709778 9.2724e-05 deg
peri 18.92768563602618 9.5164e-05 deg
M 297.985168206615 2.4495e-05 deg
tp 2459402.203958082730
(2021-Jul-06.70395808)
8.0399e-05 TDB
period 1170.904166147045
3.21
7.4374e-06
2.036e-08
d
yr
n .3074547092821517 1.9529e-09 deg/d
Q 2.491876783527862 1.0552e-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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59616  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 17:05:21  

Additional Information
 Earth MOID = .838881 au 
 Jupiter MOID = 2.69021 au 
 T_jup = 3.670 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457315.5 (2015-Oct-20.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .146510818672701 4.4733e-08  
q 1.85579247635664 9.507e-08 au
tp 2457059.646067982733
(2015-Feb-06.14606798)
7.2782e-05 TDB
node 279.2961761206172 9.2747e-05 deg
peri 18.8025276613349 9.5182e-05 deg
i 3.15809697267902 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59616  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 17:05:21  

Additional Information
 Jupiter MOID = 2.69021 au 
 T_jup = 3.670 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.001066998171556E-15 -4.239748079473081E-15 1.990960204085022E-12 -2.383407948311118E-14 5.702130904941625E-13 -1.272505293242816E-15
q -4.239748079473081E-15 9.03830176242532E-15 -4.08552763048948E-12 4.924642461430807E-14 -1.165929848920421E-12 2.637856948151591E-15
tp 1.990960204085022E-12 -4.08552763048948E-12 5.29716285195766E-9 -5.176257872015818E-11 1.584561198551292E-9 -3.274322937756991E-12
node -2.383407948311118E-14 4.924642461430807E-14 -5.176257872015818E-11 8.60209622164916E-9 -8.604093385729863E-9 6.861879920287781E-11
peri 5.702130904941625E-13 -1.165929848920421E-12 1.584561198551292E-9 -8.604093385729863E-9 9.059595388511594E-9 -6.94748312149948E-11
i -1.272505293242816E-15 2.637856948151591E-15 -3.274322937756991E-12 6.861879920287781E-11 -6.94748312149948E-11 1.373434609332832E-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 16.71   n/a E2021B55  

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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