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(2020 ND)
Classification: Apollo [NEO, PHA]          SPK-ID: 54017784
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5886648592252602 1.2342e-05  
a 2.412153140879196 7.1767e-05 au
q .9922033517737749 2.8367e-07 au
i 17.43388302353618 0.00020907 deg
node 118.0256942577657 6.6977e-06 deg
peri 214.5967239692506 3.4377e-05 deg
M 338.9990181161664 0.00096969 deg
tp 2459080.325719396710
(2020-Aug-18.82571940)
0.00012474 TDB
period 1368.376923601706
3.75
0.061068
0.0001672
d
yr
n .2630854070912301 1.1741e-05 deg/d
Q 3.832102929984618 0.00011401 au
  Orbit Determination Parameters
   # obs. used (total)      173  
   data-arc span      185 days  
   first obs. used      2020-05-19  
   last obs. used      2020-11-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      5  
   norm. resid. RMS      .46104  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 06:04:17  

Additional Information
 Earth MOID = .0375797 au 
 Jupiter MOID = 1.67322 au 
 T_jup = 3.207 
[ hide covariance matrix ]
Orbital Elements at Epoch 2459035.5 (2020-Jul-05.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5887061392490265 1.2341e-05  
q .9922033976256245 2.832e-07 au
tp 2459080.323631989057
(2020-Aug-18.82363199)
0.0001247 TDB
node 118.0245785394512 6.6729e-06 deg
peri 214.5963919416274 3.4414e-05 deg
i 17.43454852205521 0.00020904 deg
  Orbit Determination Parameters
   # obs. used (total)      173  
   data-arc span      185 days  
   first obs. used      2020-05-19  
   last obs. used      2020-11-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      5  
   norm. resid. RMS      .46104  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 06:04:17  

Additional Information
 Jupiter MOID = 1.67322 au 
 T_jup = 3.207 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.52300246068509E-10 -3.076191449998122E-12 -1.520206171728561E-9 -4.043148358164248E-11 -2.797432075326636E-10 2.573797717133333E-9
q -3.076191449998122E-12 8.020314669401571E-14 2.883791709347724E-11 6.992500602457069E-13 2.820490190830336E-12 -5.160851372505262E-11
tp -1.520206171728561E-9 2.883791709347724E-11 1.555063283793265E-8 4.15203588351423E-10 3.272995771955682E-9 -2.564157204503219E-8
node -4.043148358164248E-11 6.992500602457069E-13 4.15203588351423E-10 4.452723664764151E-11 5.958030021592437E-11 -7.132832105461257E-10
peri -2.797432075326636E-10 2.820490190830336E-12 3.272995771955682E-9 5.958030021592437E-11 1.184350784424247E-9 -4.669621071475256E-9
i 2.573797717133333E-9 -5.160851372505262E-11 -2.564157204503219E-8 -7.132832105461257E-10 -4.669621071475256E-9 4.369931632551218E-8

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 21.824   .63558 25 autocmod 2.8

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