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(2021 FH)
Classification: Apollo [NEO]          SPK-ID: 54132049
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6030807170399245 0.00032421  
a 2.30341243475428 0.0017952 au
q .9142688119639907 3.4257e-05 au
i 3.500411566887893 0.0013526 deg
node 3.017248308182373 2.3374e-05 deg
peri 219.0039643689372 0.0016334 deg
M 324.5707761513344 0.042153 deg
tp 2459326.165228400174
(2021-Apr-21.66522840)
0.0026072 TDB
period 1276.897355056409
3.50
1.4927
0.004087
d
yr
n .2819333900054138 0.00032959 deg/d
Q 3.69255605754457 0.0028778 au
  Orbit Determination Parameters
   # obs. used (total)      91  
   data-arc span      5 days  
   first obs. used      2021-03-18  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      7  
   norm. resid. RMS      .30627  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 23:26:48  

Additional Information
 Earth MOID = .000123958 au 
 Jupiter MOID = 1.31196 au 
 T_jup = 3.318 
[ 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 26.74   .29101 MPO606250 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
1906-Jul-12 12:14 8_23:15 Earth 0.324549184905135 0.183877643328414 0.469199423391202 21.5528737525236 21.5524928354082 2417404.009898208 12915.1988434014 7336802.90725289 57.0239998376426 12.6963190433938 165609.043587087 T 8 CATAB v2.0g-lin.ifort 2021-Apr-15 23:26:49 2021-Apr-15 23:26
1988-Mar-13 10:03 5_20:59 Jupiter 1.31084508069171 1.31047597150792 1.31142548955793 3.98268540123889 3.81699522506716 2447233.918449470 8459.41029312842 849115.041774169 51.7364009406979 -86.2163092674446 1246170.50002045 T 8 CATAB v2.0g-lin.ifort 2021-Apr-15 23:26:49 2021-Apr-15 23:26
2000-Jul-05 22:59 1_03:41 Earth 0.194217517051492 0.175563816231442 0.213155685643168 17.7595925932147 17.7588200898034 2451731.457317906 1660.75208890179 1007931.97620522 38.5446440085643 21.4784994934474 241814.761133339 T 8 CATAB v2.0g-lin.ifort 2021-Apr-15 23:26:49 2021-Apr-15 23:26
2012-Jun-14 02:16 5_20:18 Jupiter 1.87364027441065 1.83102734539828 1.91620704489148 5.67269907402731 5.5924385048713 2456092.594496060 8417.76948678373 2072109.75502135 63.5482675790239 -9.06807242294234 221201.932559061 T 8 CATAB v2.0g-lin.ifort 2021-Apr-15 23:26:49 2021-Apr-15 23:26
2021-Mar-23 10:25 < 00:01 Moon 0.00317089248684909 0.00316880179198902 0.00317298318691082 12.5244934469005 12.5236681857566 2459296.934037534 0.525513993828361 104.451179038694 0.93780434012073 -3.75012140864388 29350.3100718299 T 8 CATAB v2.0g-lin.ifort 2021-Apr-15 23:26:49 2021-Apr-15 23:26
2021-Mar-23 16:52 < 00:01 Earth 0.00157164066085097 0.00156930327518136 0.00157397789499804 11.9890673176326 11.8468154900125 2459297.202820503 0.0809407776257201 113.95035924211 1.02617246774035 -0.60523472923101 1380.95110173545 T 8 CATAB v2.0g-lin.ifort 2021-Apr-15 23:26:49 2021-Apr-15 23:26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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