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(2021 FK1)
Classification: Apollo [NEO]          SPK-ID: 54132116
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 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5843939669004385 0.00047398  
a 2.050299183422787 0.0021508 au
q .8521167102896148 7.7916e-05 au
i 2.367270935732313 0.0015152 deg
node 2.79629655435617 5.5269e-05 deg
peri 234.3740823260694 0.00087508 deg
M 20.40784860786639 0.029504 deg
tp 2459335.711838576687
(2021-May-01.21183858)
0.0077713 TDB
period 1072.319700762457
2.94
1.6873
0.00462
d
yr
n .3357207740788752 0.00052827 deg/d
Q 3.24848165655596 0.0034078 au
  Orbit Determination Parameters
   # obs. used (total)      50  
   data-arc span      4 days  
   first obs. used      2021-03-20  
   last obs. used      2021-03-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .49574  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:26:51  

Additional Information
 Earth MOID = .00124781 au 
 Jupiter MOID = 1.77735 au 
 T_jup = 3.556 
[ 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 27.07   .28664 E2021G03 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
1902-Mar-09 21:41 1_03:21 Earth 0.138549304527472 0.126326687444047 0.150772233856482 18.3923581166773 18.3913124748734 2415818.403585090 1641.42784161222 609588.527844757 72.8840584637902 -1.0604571297506 4803.08847330716 T 5 CATAB v2.0g-lin.ifort 2021-Apr-15 23:26:52 2021-Apr-15 23:26
1905-Feb-23 14:52 2_09:52 Earth 0.39124504901213 0.350606821153607 0.431883335085998 25.9825103417931 25.9822482311936 2416900.119557512 3471.85649724519 2026479.54450382 27.2695821247083 -0.324684094182066 11048.8390266707 T 5 CATAB v2.0g-lin.ifort 2021-Apr-15 23:26:52 2021-Apr-15 23:26
1988-Aug-10 03:57 9_23:50 Earth 0.386367557448332 0.203202286184353 0.570436639524656 24.8767776437671 24.8765004266774 2447383.664813497 14390.4332021599 9203569.44210135 95.1396498496224 5.11896886915066 49625.4588575182 T 5 CATAB v2.0g-lin.ifort 2021-Apr-15 23:26:52 2021-Apr-15 23:26
1991-Aug-04 13:34 9_07:03 Earth 0.278950867944477 0.122768974213951 0.437757521651637 21.5853621366984 21.5849196199095 2448473.065049016 13383.1568716977 7968940.6238158 75.0979699759138 8.04944814957822 70518.0270891394 T 5 CATAB v2.0g-lin.ifort 2021-Apr-15 23:26:52 2021-Apr-15 23:26
1994-Jul-28 22:45 9_02:22 Earth 0.171136477778231 0.0503720798231637 0.305808912649784 18.4004350148261 18.3995888564406 2449562.447746854 13101.8204832752 6826446.31942275 62.839748677297 13.8690235575915 89569.8494845703 T 5 CATAB v2.0g-lin.ifort 2021-Apr-15 23:26:52 2021-Apr-15 23:26
1997-Jul-21 21:41 8_17:36 Earth 0.0823699847656962 0.0409163106697397 0.180437483025767 15.5807472058532 15.5786709349032 2450651.403630775 12575.9113834314 5198521.20404969 62.7214331866546 29.7919870308783 94442.7486420024 T 5 CATAB v2.0g-lin.ifort 2021-Apr-15 23:26:52 2021-Apr-15 23:26
2000-Jul-12 16:46 7_06:45 Earth 0.0454535918860773 0.0405433870112083 0.0853924604707401 12.9162795536534 12.9117403148351 2451738.198691037 10484.7561515183 2723290.55525879 68.20433685359 -63.1265322042381 95889.3785508158 T 5 CATAB v2.0g-lin.ifort 2021-Apr-15 23:26:52 2021-Apr-15 23:26
2003-Jun-29 20:59 7_03:38 Earth 0.0996597056186819 0.0779168090467155 0.122949147874345 11.0669405239263 11.0645244368065 2452820.374567800 10298.1333595329 1282766.30233848 64.6600956112138 -28.0978019103092 123623.319831784 T 5 CATAB v2.0g-lin.ifort 2021-Apr-15 23:26:52 2021-Apr-15 23:26
2003-Aug-21 09:09 2_00:14 Mars 0.0499665595738863 0.0226142279433965 0.0785425761971095 16.2749111348861 16.2745590780214 2452872.881025350 2894.22643685184 1448272.48817427 59.9482947580969 -12.9332668816447 27693.6604127796 T 5 CATAB v2.0g-lin.ifort 2021-Apr-15 23:26:52 2021-Apr-15 23:26
2006-Jun-10 19:30 1_22:44 Earth 0.145719758300434 0.144033962307573 0.147413477655499 10.9440741522845 10.9424032615839 2453897.312352482 2804.40323771876 99857.3012505041 73.4900167005333 -32.4547198589157 131561.874292164 T 5 CATAB v2.0g-lin.ifort 2021-Apr-15 23:26:52 2021-Apr-15 23:26
2009-May-22 18:22 4_02:57 Earth 0.161478225660856 0.159682095467645 0.163300189792579 11.2064153066523 11.2049427900203 2454974.265413458 5936.63831812306 136061.811504341 108.050139157608 -48.4726046264462 138083.088422521 T 5 CATAB v2.0g-lin.ifort 2021-Apr-15 23:26:52 2021-Apr-15 23:26
2021-Mar-24 12:14 < 00:01 Moon 0.00540195773733524 0.00539401944521742 0.00540989610405469 14.1085714885531 14.1081414660634 2459298.009650834 0.610342483854891 397.116189890981 2.07311195227441 -4.6306567980576 29547.2835282198 T 5 CATAB v2.0g-lin.ifort 2021-Apr-15 23:26:52 2021-Apr-15 23:26
2021-Mar-24 17:38 < 00:01 Earth 0.00394671597401788 0.00393848590478812 0.00395494579336406 13.5491584487938 13.4992395575316 2459298.234871648 0.0677377282113348 407.384163879137 2.30220465209517 -0.551627698980744 1018.92739826951 T 5 CATAB v2.0g-lin.ifort 2021-Apr-15 23:26:52 2021-Apr-15 23:26
2024-Feb-26 18:57 4_08:22 Earth 0.417574034232583 0.331123090622121 0.504024904789071 25.9688258368062 25.9685801235358 2460367.289619741 6262.33129265618 4310948.40833107 12.7716898403849 -0.214140605766977 16559.2707822451 T 5 CATAB v2.0g-lin.ifort 2021-Apr-15 23:26:52 2021-Apr-15 23:26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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