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(2018 MD7)
Classification: Aten [NEO]          SPK-ID: 3825486
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ hide orbit diagram ]

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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1100129014879849 4.4504e-07  
a .9471324893779172 2.7159e-07 au
q .8429356961279144 5.8993e-07 au
i 8.227184523548853 5.2137e-05 deg
node 134.3472746887269 2.7511e-05 deg
peri 313.3112490320857 0.00016505 deg
M 82.81435527402829 0.00037055 deg
tp 2459123.050672181545
(2020-Sep-30.55067218)
0.00031845 TDB
period 336.6778371018491
0.92
0.00014481
3.965e-07
d
yr
n 1.069271452789735 4.5991e-07 deg/d
Q 1.05132928262792 3.0146e-07 au
  Orbit Determination Parameters
   # obs. used (total)      64  
   # delay obs. used      0  
   # Doppler obs. used      1  
   data-arc span      43 days  
   first obs. used      2018-06-21  
   last obs. used      2018-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      2  
   norm. resid. RMS      .43036  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Aug-05 05:59:04  

Additional Information
 Earth MOID = .00321714 au 
 Jupiter MOID = 4.01867 au 
 T_jup = 6.333 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458313.5 (2018-Jul-14.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1096995287751978 4.5684e-07  
q .8442045660394292 6.0302e-07 au
tp 2458449.254901413386
(2018-Nov-26.75490141)
0.00017626 TDB
node 134.4064122132295 2.7026e-05 deg
peri 312.6283964442267 0.00015955 deg
i 8.225616856587708 5.2073e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      64  
   # delay obs. used      0  
   # Doppler obs. used      1  
   data-arc span      43 days  
   first obs. used      2018-06-21  
   last obs. used      2018-08-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      2  
   norm. resid. RMS      .43036  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Aug-05 05:59:04  

Additional Information
 Jupiter MOID = 4.01867 au 
 T_jup = 6.333 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.087046657563619E-13 -2.607198486786982E-13 -6.025240139886251E-11 4.494999947293683E-12 -2.450987557044442E-11 1.979724740786186E-11
q -2.607198486786982E-13 3.636340823324147E-13 5.282790039089898E-11 -1.584951073908904E-12 1.560021014116553E-12 -1.933077834951588E-11
tp -6.025240139886251E-11 5.282790039089898E-11 3.106675108164717E-8 -3.539874340441803E-9 2.453751478709773E-8 -8.830835830104969E-9
node 4.494999947293683E-12 -1.584951073908904E-12 -3.539874340441803E-9 7.304147717075608E-10 -3.657400677136384E-9 9.924916947220697E-10
peri -2.450987557044442E-11 1.560021014116553E-12 2.453751478709773E-8 -3.657400677136384E-9 2.545687092581985E-8 -6.359777989432964E-9
i 1.979724740786186E-11 -1.933077834951588E-11 -8.830835830104969E-9 9.924916947220697E-10 -6.359777989432964E-9 2.711558867458823E-9

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 22.7   n/a MPO477907  

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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