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(2021 JD2)
Classification: Amor [NEO]          SPK-ID: 54143569
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4436009618533662 0.00047962  
a 1.840639309756654 0.0016097 au
q 1.024129941523486 1.283e-05 au
i 8.205260754286469 0.0063538 deg
node 220.6859998814059 0.0008382 deg
peri 13.27212920677725 0.0023829 deg
M 18.95874065807046 0.025105 deg
tp 2459348.464927433251
(2021-May-13.96492743)
0.00060283 TDB
period 912.1189237149206
2.50
1.1965
0.003276
d
yr
n .3946853756018734 0.00051775 deg/d
Q 2.657148677989821 0.0023238 au
  Orbit Determination Parameters
   # obs. used (total)      47  
   data-arc span      9 days  
   first obs. used      2021-05-06  
   last obs. used      2021-05-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .43813  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-28 05:48:54  

Additional Information
 Earth MOID = .0224467 au 
 Jupiter MOID = 2.34576 au 
 T_jup = 3.882 
[ hide covariance matrix ]
Orbital Elements at Epoch 2459347.5 (2021-May-13.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .444064311303295 0.00047887  
q 1.024118915478422 1.2841e-05 au
tp 2459348.459031937465
(2021-May-13.95903194)
0.0006151 TDB
node 220.719311983521 0.00092752 deg
peri 13.23030377762859 0.0024892 deg
i 8.216248563432613 0.006331 deg
  Orbit Determination Parameters
   # obs. used (total)      47  
   data-arc span      9 days  
   first obs. used      2021-05-06  
   last obs. used      2021-05-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .43813  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-28 05:48:54  

Additional Information
 Jupiter MOID = 2.34576 au 
 T_jup = 3.882 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.293149408632343E-7 6.149235674694566E-9 2.912226766299429E-7 -4.436582054080839E-7 1.189950069294657E-6 3.031650348473178E-6
q 6.149235674694566E-9 1.648963823810422E-10 7.808546028269503E-9 -1.189675181586982E-8 3.19081871518391E-8 8.129605128331031E-8
tp 2.912226766299429E-7 7.808546028269503E-9 3.783493413382327E-7 -5.673239201529306E-7 1.524596429300425E-6 3.846922096196467E-6
node -4.436582054080839E-7 -1.189675181586982E-8 -5.673239201529306E-7 8.602853869855593E-7 -2.308489932333024E-6 -5.863819960372737E-6
peri 1.189950069294657E-6 3.19081871518391E-8 1.524596429300425E-6 -2.308489932333024E-6 6.196080679928677E-6 1.572659879173565E-5
i 3.031650348473178E-6 8.129605128331031E-8 3.846922096196467E-6 -5.863819960372737E-6 1.572659879173565E-5 4.008111968392736E-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 26.51   .34863 E2021N14 autocmod 2.9c

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