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(2016 JC18)
Classification: Apollo [NEO]          SPK-ID: 3753074
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 2457519.5 (2016-May-11.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4495906221556769 0.0010571  
a 1.301011336495868 0.0023613 au
q .716088840289102 7.5631e-05 au
i 28.91207081382772 0.074777 deg
node 46.63497636996757 0.0030122 deg
peri 284.3257263646102 0.069928 deg
M 309.8833681796987 0.18395 deg
tp 2457594.956980624500
(2016-Jul-25.45698062)
0.071537 TDB
period 542.0259111231042
1.48
1.4756
0.00404
d
yr
n .6641748901894052 0.0018082 deg/d
Q 1.885933832702634 0.0034229 au
  Orbit Determination Parameters
   # obs. used (total)      74  
   data-arc span      10 days  
   first obs. used      2016-05-07  
   last obs. used      2016-05-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      8  
   norm. resid. RMS      .55429  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 17:06:14  

Additional Information
 Earth MOID = .0442701 au 
 Jupiter MOID = 3.79622 au 
 T_jup = 4.781 
[ 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 22.8   n/a MPO382823  

[ 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
2013-May-19 06:52 21:13 Earth 0.287821314579024 0.17804298794038 0.426171265646526 15.5002447451623 15.4996474909575 2456431.786360524 1272.71202692602 7696159.33595175 43.1378336226994 -32.4604368717683 176157.379842321 T 10 CATAB v2.0g-lin.ifort 2021-Apr-15 17:06:14 2021-Apr-15 17:06
2016-May-17 01:00 < 00:01 Earth 0.131594133495293 0.130663430842842 0.132524834544903 18.1632215002871 18.1621067020407 2457525.541481361 0.672744696730221 46404.6871734709 51.6491414076228 -0.0832228385968534 440.670224412458 T 10 CATAB v2.0g-lin.ifort 2021-Apr-15 17:06:14 2021-Apr-15 17:06
2019-May-12 05:59 4_20:03 Earth 0.158845057776067 0.108557331390751 0.28415457661194 22.1144386136564 22.1136800881676 2458615.749105798 6962.84098515519 7312459.58420136 315.667506860543 43.1145779089556 47265.1166012483 T 10 CATAB v2.0g-lin.ifort 2021-Apr-15 17:06:14 2021-Apr-15 17:06
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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