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JPL Small-Body Database Browser
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(2021 JN6)
Classification: Apollo [NEO]          SPK-ID: 54145464
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 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2935062934744869 0.00046664  
a 1.363148631505508 0.00082146 au
q .9630559292175069 5.5812e-05 au
i 3.320295768364286 0.0045277 deg
node 222.1846599831829 0.0026056 deg
peri 70.14414438054605 0.0030746 deg
M 356.5979395378237 0.0091712 deg
tp 2459401.993546079281
(2021-Jul-06.49354608)
0.009848 TDB
period 581.3172959530567
1.59
0.52547
0.001439
d
yr
n .6192831393564302 0.00055979 deg/d
Q 1.763241333793509 0.0010626 au
  Orbit Determination Parameters
   # obs. used (total)      24  
   data-arc span      13 days  
   first obs. used      2021-05-12  
   last obs. used      2021-05-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .49531  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-25 09:49:03  

Additional Information
 Earth MOID = .0291377 au 
 Jupiter MOID = 3.41929 au 
 T_jup = 4.794 
[ hide covariance matrix ]
Orbital Elements at Epoch 2459348.5 (2021-May-14.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2941167155035362 0.00046513  
q .9634127446056537 5.6851e-05 au
tp 2459401.873778676220
(2021-Jul-06.37377868)
0.0093116 TDB
node 222.4018892091715 0.0016875 deg
peri 69.78458839727286 0.0017065 deg
i 3.34248977613556 0.004463 deg
  Orbit Determination Parameters
   # obs. used (total)      24  
   data-arc span      13 days  
   first obs. used      2021-05-12  
   last obs. used      2021-05-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .49531  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-25 09:49:03  

Additional Information
 Jupiter MOID = 3.41929 au 
 T_jup = 4.794 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.163497330242456E-7 -2.641407139278984E-8 -4.323418934342085E-6 7.727362329807218E-7 -6.380776801224253E-7 2.075514044977787E-6
q -2.641407139278984E-8 3.232033731936315E-9 5.263610415946689E-7 -9.360039528861709E-8 7.520218425120028E-8 -2.531825784895492E-7
tp -4.323418934342085E-6 5.263610415946689E-7 8.670626150025973E-5 -1.559529757493628E-5 1.331206496375357E-5 -4.152041140793816E-5
node 7.727362329807218E-7 -9.360039528861709E-8 -1.559529757493628E-5 2.847499253293793E-6 -2.56911884226029E-6 7.438347088233707E-6
peri -6.380776801224253E-7 7.520218425120028E-8 1.331206496375357E-5 -2.56911884226029E-6 2.912068182552792E-6 -6.205296581711827E-6
i 2.075514044977787E-6 -2.531825784895492E-7 -4.152041140793816E-5 7.438347088233707E-6 -6.205296581711827E-6 1.991845610000395E-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 26.30   .66216 MPO622859 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
1916-May-04 00:16 1_12:51 Earth 0.355433012257936 0.321342832650914 0.389524903326922 16.8826536064539 16.8822095690078 2420987.511147935 2211.10671105581 1700426.9485238 54.8328149053861 -1.38146179778469 18995.1855229319 T 5 CATAB v2.0g-lin.ifort 2021-May-25 09:49:04 2021-May-25 09:49
1954-Sep-21 03:53 2_23:21 Earth 0.346953641000108 0.290441152500178 0.403620457984277 16.5180815388328 16.5176166090003 2435006.661987389 4280.77426784191 2845394.05315199 354.487098536825 -7.28498171369295 16045.3429945478 T 5 CATAB v2.0g-lin.ifort 2021-May-25 09:49:04 2021-May-25 09:49
1962-Aug-31 12:51 4_16:34 Earth 0.0690682395928307 0.0582154164872088 0.0944519229580204 7.50998628255344 7.5048476988997 2437908.035216850 6753.61295964422 1855984.14392658 265.643354479878 -57.4786760355644 42104.4884342112 T 5 CATAB v2.0g-lin.ifort 2021-May-25 09:49:04 2021-May-25 09:49
2021-May-28 17:40 < 00:01 Earth 0.0350861714245276 0.0349440934566235 0.0352282459300144 7.11740873327696 7.10673096817867 2459363.236089151 0.221189967103072 7063.38431293353 31.4913792535732 0.114890581830741 432.208785607874 T 5 CATAB v2.0g-lin.ifort 2021-May-25 09:49:04 2021-May-25 09:49
2029-May-08 01:05 7_02:46 Earth 0.300716215105351 0.167082768213797 0.434686347224358 15.3041258295883 15.3035468607394 2462264.545316196 10246.0374565754 6690999.81560999 62.4980488509611 -3.88789632093444 37397.4324751253 T 5 CATAB v2.0g-lin.ifort 2021-May-25 09:49:04 2021-May-25 09:49
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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