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JPL Small-Body Database Browser
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(2021 JB6)
Classification: Apollo [NEO]          SPK-ID: 54145208
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 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4466888931108041 7.7167e-05  
a 1.728615474055734 0.00022424 au
q .9564621413355706 9.3164e-06 au
i 1.559155846769723 0.00037759 deg
node 54.64680960092474 0.00059643 deg
peri 212.6337292461525 0.00035627 deg
M 8.696467234790422 0.0016098 deg
tp 2459376.446675310326
(2021-Jun-10.94667531)
0.00019224 TDB
period 830.1298324223127
2.27
0.16153
0.0004422
d
yr
n .4336671035535763 8.4386e-05 deg/d
Q 2.500768806775898 0.00032441 au
  Orbit Determination Parameters
   # obs. used (total)      31  
   data-arc span      5 days  
   first obs. used      2021-05-08  
   last obs. used      2021-05-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .34146  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-14 05:53:01  

Additional Information
 Earth MOID = .000676794 au 
 Jupiter MOID = 2.60911 au 
 T_jup = 4.041 
[ hide covariance matrix ]
Orbital Elements at Epoch 2459343.5 (2021-May-09.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4426769876274513 7.737e-05  
q .9532299532893267 8.2159e-06 au
tp 2459377.421618211839
(2021-Jun-11.92161821)
0.00066346 TDB
node 65.03597696705455 0.000769 deg
peri 203.4671014662259 0.0010297 deg
i .2095761414879403 3.3918e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      31  
   data-arc span      5 days  
   first obs. used      2021-05-08  
   last obs. used      2021-05-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .34146  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-14 05:53:01  

Additional Information
 Jupiter MOID = 2.60911 au 
 T_jup = 4.041 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.986067093613073E-9 -6.356276541229646E-10 -5.130840513747069E-8 -3.179225951417805E-8 6.19725309830637E-8 2.532804375974909E-9
q -6.356276541229646E-10 6.750113390300092E-11 5.446461332900121E-9 3.371555114090039E-9 -6.578531392990303E-9 -2.688957820618872E-10
tp -5.130840513747069E-8 5.446461332900121E-9 4.401857255955741E-7 2.745606118939285E-7 -5.327001481342668E-7 -2.173257973914005E-8
node -3.179225951417805E-8 3.371555114090039E-9 2.745606118939285E-7 5.913548335088949E-7 -7.493329082773902E-7 -1.911378254218223E-8
peri 6.19725309830637E-8 -6.578531392990303E-9 -5.327001481342668E-7 -7.493329082773902E-7 1.060205767727694E-6 3.185756224108796E-8
i 2.532804375974909E-9 -2.688957820618872E-10 -2.173257973914005E-8 -1.911378254218223E-8 3.185756224108796E-8 1.15044215328219E-9

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 28.78   .32222 MPO622858 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
1983-Jul-28 05:11 7_20:42 Earth 0.00356719913362777 0.00325529183227341 0.0368790259413028 8.6259589671184 8.53892795142698 2445543.716301437 11322.4159244112 1760398.67140968 23.4493597701162 -65.9897220344119 20621.3983051179 T 2 CATAB v2.0g-lin.ifort 2021-May-14 05:53:01 2021-May-14 05:53
1983-Jul-28 18:54 6_19:04 Moon 0.00329222438976864 0.00305576570795823 0.0407366359087463 8.77317851904221 8.77204376831763 2445544.287688787 9783.90910859349 1964625.78040857 23.4752514104938 -68.1754020338405 19422.354869523 T 2 CATAB v2.0g-lin.ifort 2021-May-14 05:53:01 2021-May-14 05:53
1992-Apr-28 01:22 4_20:53 Earth 0.121231792032915 0.062855440925361 0.179601696905103 12.2985798588016 12.2967926618178 2448740.556669910 7012.92946732068 2910497.99816147 3.3189314544019 -0.0218378936806617 5.47995735987717 T 2 CATAB v2.0g-lin.ifort 2021-May-14 05:53:01 2021-May-14 05:53
2012-Feb-15 16:06 1_13:18 Mars 0.0560421526317575 0.0464392115099816 0.0727498861702412 9.93707605336204 9.93656195762238 2455973.170913702 2238.48028220478 1204932.76110206 38.6533035050737 -54.6234006077261 178507.028875628 T 2 CATAB v2.0g-lin.ifort 2021-May-14 05:53:01 2021-May-14 05:53
2012-Aug-10 14:17 2_22:09 Earth 0.099463669197234 0.0677879956185312 0.13116006680817 11.6300186274172 11.6277150093084 2456150.095409851 4209.32950837755 1581675.97072185 24.8984555370724 2.59352073882727 23691.5737518218 T 2 CATAB v2.0g-lin.ifort 2021-May-14 05:53:01 2021-May-14 05:53
2021-May-13 22:55 < 00:01 Earth 0.000706311120227469 0.000705990055217912 0.000706632159347335 8.97940236939371 8.548970209132 2459348.454926529 0.0203867574537003 14.4409523154873 0.24866408666781 -0.0699881933756373 3993.87365357329 T 2 CATAB v2.0g-lin.ifort 2021-May-14 05:53:01 2021-May-14 05:53
2021-May-14 04:11 < 00:01 Moon 0.00233625295516899 0.00233624217503265 0.00233626378543996 9.67302139060157 9.67157105227595 2459348.674362661 0.108773344022477 21.9158327126108 0.338571031530628 -88.8670048122864 1268695.55869278 T 2 CATAB v2.0g-lin.ifort 2021-May-14 05:53:01 2021-May-14 05:53
2030-Aug-21 14:26 1_23:28 Earth 0.271459009255957 0.238457139286577 0.304508928160453 16.7137469184878 16.7131596429579 2462735.101328607 2847.90094097205 1656686.41311194 72.3543877601455 6.21240070774964 52998.7449270588 T 2 CATAB v2.0g-lin.ifort 2021-May-14 05:53:01 2021-May-14 05:53
2034-Sep-12 10:42 2_10:16 Mars 0.0496894601704203 0.0149774513586153 0.0855170474073695 9.83956481973888 9.838979249567 2464217.945728701 3496.06714433182 1797739.69378398 117.813525798783 -8.38582113099036 9306.99948661519 T 2 CATAB v2.0g-lin.ifort 2021-May-14 05:53:01 2021-May-14 05:53
2037-Aug-11 06:05 2_14:37 Mars 0.0140097224110021 0.00356230169058045 0.0623603783960853 10.32284283087 10.3208630414658 2465281.753638225 3757.29591747927 2428978.2679538 80.6434440723946 14.7450595127339 6597.51760280128 T 2 CATAB v2.0g-lin.ifort 2021-May-14 05:53:01 2021-May-14 05:53
2046-May-08 20:37 2_21:38 Earth 0.029035599854529 0.0121857826522416 0.0458817348939125 9.45041029684823 9.44069504238672 2468474.358924748 4177.80594513401 839981.825269407 2.71774478439245 -0.717341289648014 15173.8441764805 T 2 CATAB v2.0g-lin.ifort 2021-May-14 05:53:01 2021-May-14 05:53
2055-Jul-31 09:49 2_06:53 Earth 0.0338746091247721 0.0274985581343033 0.0437846877566596 9.22612263879023 9.21759321610259 2471844.908900639 3293.30306812237 685999.422997735 89.6180604621419 51.4960649495599 44111.7744408641 T 2 CATAB v2.0g-lin.ifort 2021-May-14 05:53:01 2021-May-14 05:53
2064-Sep-01 15:31 2_18:05 Earth 0.473820473356235 0.418249258535638 0.529414739959872 22.6293004822812 22.6290519803376 2475165.146233127 3965.00198223379 2776581.85000083 83.1200665446914 3.39243180925196 45114.201754979 T 2 CATAB v2.0g-lin.ifort 2021-May-14 05:53:01 2021-May-14 05:53
2071-Apr-10 06:30 4_04:44 Earth 0.435357278091421 0.347889150475402 0.522835710191698 21.601078066461 21.6007947355426 2477576.770876431 6043.63045992381 4363217.3445398 16.6984049558975 -1.39529013668924 84742.6117678984 T 2 CATAB v2.0g-lin.ifort 2021-May-14 05:53:01 2021-May-14 05:53
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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