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(2021 JU6)
Classification: Apollo [NEO]          SPK-ID: 54145471
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

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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 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5571695140466717 0.00039464  
a 2.142549072457504 0.0018472 au
q .9487860469352092 2.7549e-05 au
i 7.502957535467322 0.0069041 deg
node 53.55736152184353 7.3935e-05 deg
peri 214.2524049746775 0.00024491 deg
M 6.490786668792491 0.0070968 deg
tp 2459375.846701202799
(2021-Jun-10.34670120)
0.0041281 TDB
period 1145.498680882652
3.14
1.4814
0.004056
d
yr
n .314273605031658 0.00040643 deg/d
Q 3.336312097979798 0.0028764 au
  Orbit Determination Parameters
   # obs. used (total)      18  
   data-arc span      8 days  
   first obs. used      2021-05-06  
   last obs. used      2021-05-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .45473  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-15 06:33:27  

Additional Information
 Earth MOID = .000627614 au 
 Jupiter MOID = 1.80874 au 
 T_jup = 3.485 
[ 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 27.1   .20513 E2021-MA6 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
2021-May-14 15:01 < 00:01 Earth 0.000442176755596696 0.000441251682202419 0.000443101531418338 11.6019583212314 11.0704014716194 2459349.125349282 0.120772765213989 42.2249454736387 0.725120729450112 -1.72773950639925 933.499087972791 T 2 CATAB v2.0g-lin.ifort 2021-May-15 06:33:27 2021-May-15 06:33
2021-May-14 17:58 < 00:01 Moon 0.0026831148965081 0.00268272436585446 0.00268350619933306 12.2036699054148 12.2026689681367 2459349.248292988 0.387361717779402 74.5052471413953 1.17829814494221 -74.8885022043655 580705.934417004 T 2 CATAB v2.0g-lin.ifort 2021-May-15 06:33:27 2021-May-15 06:33
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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