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(2021 JX5)
Classification: Amor [NEO]          SPK-ID: 54145086
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 3 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .500709505464061 0.00055545  
a 2.070246684070812 0.0023455 au
q 1.033654490701103 2.1166e-05 au
i 5.764830139579403 0.0045283 deg
node 230.1104166860616 0.00017091 deg
peri 7.847049324190279 0.0020162 deg
M 14.54624332065446 0.024954 deg
tp 2459352.537749095698
(2021-May-18.03774910)
0.000974 TDB
period 1088.006709132701
2.98
1.849
0.005062
d
yr
n .3308803125735981 0.00056231 deg/d
Q 3.10683887744052 0.0035199 au
  Orbit Determination Parameters
   # obs. used (total)      42  
   data-arc span      3 days  
   first obs. used      2021-05-12  
   last obs. used      2021-05-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .38658  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-16 05:50:34  

Additional Information
 Earth MOID = .0249355 au 
 Jupiter MOID = 1.90886 au 
 T_jup = 3.600 
[ show covariance matrix ]

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 26.92   .3769 MPO622857 autocmod 2.9c

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1911-Jun-28 18:41 8_05:56 Earth 0.187590779139379 0.0987521224747526 0.283887226944642 12.2754955384339 12.2743384080262 2419216.278453514 11875.5082449643 4982036.9438553 102.584506451632 -19.1158358552595 65700.1193894337 T 3 CATAB v2.0g-lin.ifort 2021-May-16 05:50:34 2021-May-16 05:50
2021-May-13 21:19 < 00:01 Earth 0.0249144206469241 0.0248437238124177 0.0249851158716065 7.31533106528664 7.30069709433046 2459348.388521327 0.583636378784972 3511.12317312473 26.7709243803538 0.0263773122365014 620.642058508408 T 3 CATAB v2.0g-lin.ifort 2021-May-16 05:50:34 2021-May-16 05:50
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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