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(2019 SW1)
Classification: Apollo [NEO]          SPK-ID: 3843921
[ 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 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6012931360677961 0.00069429  
a 2.19528832769637 0.0036133 au
q .8752765245627921 8.3761e-05 au
i 4.884169120681569 0.0042826 deg
node 359.8327826571865 0.00024219 deg
peri 50.58601714754619 0.0019953 deg
M 125.4295181982095 0.3062 deg
tp 2458786.564158272922
(2019-Oct-30.06415827)		 0.011487 TDB
period 1188.052901441148
3.25		 2.9332
0.008031		 d
yr
n .3030168097424852 0.00074812 deg/d
Q 3.515300130829949 0.005786 au
   Orbit Determination Parameters
   # obs. used (total)      25  
   data-arc span      2 days  
   first obs. used      2019-09-22  
   last obs. used      2019-09-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .47364  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Sep-11 07:44:24  

Additional Information
 Earth MOID = .0026044 au 
 Jupiter MOID = 1.92246 au 
 T_jup = 3.404 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458749.5 (2019-Sep-23.0) TDB
Reference: JPL 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .604095356065332 0.00068928  
q .8766400930311622 8.5195e-05 au
tp 2458786.374766039373
(2019-Oct-29.87476604)		 0.010948 TDB
node 359.8489114313246 0.00018927 deg
peri 50.32687481808006 0.0013807 deg
i 4.903880176945153 0.0042278 deg
   Orbit Determination Parameters
   # obs. used (total)      25  
   data-arc span      2 days  
   first obs. used      2019-09-22  
   last obs. used      2019-09-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      7  
   norm. resid. RMS      .47364  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Sep-11 07:44:24  

Additional Information
 Jupiter MOID = 1.92246 au 
 T_jup = 3.404 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.751033979908296E-7 -5.856745427714273E-8 -7.531678826170898E-6 1.302048117183583E-7 -4.778738283140039E-7 2.913866882329767E-6
q -5.856745427714273E-8 7.258216597587572E-9 9.242880252902978E-7 -1.609199832233856E-8 5.15077791364844E-8 -3.591247319137049E-7
tp -7.531678826170898E-6 9.242880252902978E-7 .0001198491586442724 -2.059591051197986E-6 8.377945102213612E-6 -4.620094514770444E-5
node 1.302048117183583E-7 -1.609199832233856E-8 -2.059591051197986E-6 3.582442629568769E-8 -1.230727751551818E-7 7.983138672832673E-7
peri -4.778738283140039E-7 5.15077791364844E-8 8.377945102213612E-6 -1.230727751551818E-7 1.90636601656992E-6 -2.945370917633554E-6
i 2.913866882329767E-6 -3.591247319137049E-7 -4.620094514770444E-5 7.983138672832673E-7 -2.945370917633554E-6 1.787411986161531E-5

[ 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 27.30   .24842 E2020R76 autocmod 2.8

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