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(2016 JF18)
Classification: Apollo [NEO]          SPK-ID: 3753077
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 2457517.5 (2016-May-09.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .559017589595988 0.001572  
a 1.053092741718857 0.0013923 au
q .4643953756221513 0.0010415 au
i 14.60509172291739 0.066974 deg
node 227.6507782266044 0.00018813 deg
peri 132.8632803567843 0.0026961 deg
M 290.9353252874135 0.2329 deg
tp 2457593.227187239583
(2016-Jul-23.72718724)
0.10519 TDB
period 394.7283834999607
1.08
0.78281
0.002143
d
yr
n .9120195431804712 0.0018087 deg/d
Q 1.641790107815563 0.0021706 au
  Orbit Determination Parameters
   # obs. used (total)      62  
   data-arc span      8 days  
   first obs. used      2016-05-07  
   last obs. used      2016-05-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      8  
   norm. resid. RMS      .7404  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 17:06:14  

Additional Information
 Earth MOID = .0513536 au 
 Jupiter MOID = 3.85724 au 
 T_jup = 5.663 
[ 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 23.8   n/a MPO378539  

[ 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
2009-Dec-23 22:08 9_12:47 Venus 0.130290564775752 0.1258127160964 0.345322381533487 23.1805773408995 23.1798583250461 2455189.422200867 13726.8255474232 14349856.3241053 637.22362700711 -74.957662923688 25412.1660371684 T 8 CATAB v2.0g-lin.ifort 2021-Apr-15 17:06:15 2021-Apr-15 17:06
2015-May-04 07:30 1_15:52 Earth 0.397130882538088 0.361897240168622 0.432448956612797 30.5891800958185 30.5889607585571 2457146.812773488 2391.82513790182 1782607.62401076 927.770892814482 -9.28751026207032 9590.24189117588 T 8 CATAB v2.0g-lin.ifort 2021-Apr-15 17:06:15 2021-Apr-15 17:06
2016-May-20 23:57 < 00:01 Earth 0.0930107009436081 0.0920579946101195 0.0939634034684567 16.7832677882693 16.7815608217564 2457529.497794327 0.677933731840153 47498.2453227969 177.375279427674 0.235027948785253 301.755891380897 T 8 CATAB v2.0g-lin.ifort 2021-Apr-15 17:06:15 2021-Apr-15 17:06
2017-May-01 01:47 1_19:28 Earth 0.479515084413083 0.454816959703768 0.504378918413922 13.3969611404953 13.396546367466 2457874.574419524 2607.97296334137 1313252.30596588 571.436852964828 19.7615297186232 49649.6645245273 T 8 CATAB v2.0g-lin.ifort 2021-Apr-15 17:06:15 2021-Apr-15 17:06
2022-Feb-03 03:14 8_19:07 Earth 0.474162299659806 0.33274709419588 0.635733440280549 31.3046004046546 31.304420898883 2459613.634461979 12667.4913418741 9004771.91544816 1799.95678148065 31.0460756168183 18838.9298998323 T 8 CATAB v2.0g-lin.ifort 2021-Apr-15 17:06:15 2021-Apr-15 17:06
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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