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(2021 FK3)
Classification: Apollo [NEO]          SPK-ID: 54133138
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5377790819617119 0.00030339  
a 1.729109461498378 0.00096733 au
q .7992305626824704 7.7476e-05 au
i 6.395736125457794 0.0033739 deg
node 14.26986529468573 0.00030848 deg
peri 266.0409355794976 0.00023363 deg
M 284.2750631893446 0.066863 deg
tp 2459375.190213869583
(2021-Jun-09.69021387)
0.0076556 TDB
period 830.4856978659213
2.27
0.6969
0.001908
d
yr
n .433481275987152 0.00036376 deg/d
Q 2.658988360314286 0.0014875 au
  Orbit Determination Parameters
   # obs. used (total)      130  
   data-arc span      25 days  
   first obs. used      2021-03-23  
   last obs. used      2021-04-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .38734  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-18 06:24:35  

Additional Information
 Earth MOID = .0378776 au 
 Jupiter MOID = 2.54445 au 
 T_jup = 3.975 
[ 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 22.40   .24315 E2021H49 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
1946-Apr-04 22:04 9_08:20 Earth 0.315913517576881 0.125639471325263 0.50754476195464 23.5671726970055 23.5668148149189 2431915.419165934 13459.8515548824 9577916.10807876 47.5374442219505 4.93737761162663 80132.8991963289 T 14 CATAB v2.0g-lin.ifort 2021-Apr-18 06:24:35 2021-Apr-18 06:24
1951-Mar-14 10:28 2_13:44 Mars 0.0815841019525251 0.0535785965612553 0.1160138811915 11.5587364207511 11.5584328247837 2433719.935850525 3704.41556715825 1937080.71815605 42.0322062701479 33.3553907354883 160500.26667604 T 14 CATAB v2.0g-lin.ifort 2021-Apr-18 06:24:35 2021-Apr-18 06:24
2014-Sep-29 16:38 5_07:19 Earth 0.333518053573155 0.228284106917146 0.439530633514053 24.0548067642106 24.0544746448946 2456930.193374614 7638.72661512105 5327989.41553466 91.046092732748 8.2318840579756 73691.6952683959 T 14 CATAB v2.0g-lin.ifort 2021-Apr-18 06:24:35 2021-Apr-18 06:24
2021-Apr-24 17:45 < 00:01 Earth 0.0404067651666995 0.0403462115419867 0.0404673186694905 14.0457290671768 14.0410335159203 2459329.239516559 0.255858725871017 3017.53155723336 9.31951304461546 -0.0570826955289114 1440.80403713162 T 14 CATAB v2.0g-lin.ifort 2021-Apr-18 06:24:35 2021-Apr-18 06:24
2034-Sep-24 23:25 8_14:50 Mars 0.0507682042522557 0.0500260798817436 0.15989479327676 12.6112635618303 12.6108164012734 2464230.475683147 12410.072567205 7142516.76223457 133.51215907959 80.2089818867422 56257.8465481043 T 14 CATAB v2.0g-lin.ifort 2021-Apr-18 06:24:35 2021-Apr-18 06:24
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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