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(2015 HW116)
Classification: Outer Main-belt Asteroid          SPK-ID: 3718317
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5961737291187413 0.000288  
a 3.616033550024401 0.0030261 au
q 1.460249343887873 0.00018065 au
i 18.29139942322669 0.006023 deg
node 58.5403364754938 0.0022597 deg
peri 151.0518415863278 0.005844 deg
M 267.9926583641414 0.33639 deg
tp 2459642.399571583286
(2022-Mar-03.89957158)
3.1526 TDB
period 2511.580507179021
6.88
3.1528
0.008632
d
yr
n .1433360383913586 0.00017993 deg/d
Q 5.771817756160928 0.0048303 au
  Orbit Determination Parameters
   # obs. used (total)      56  
   data-arc span      29 days  
   first obs. used      2015-04-23  
   last obs. used      2015-05-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      6  
   norm. resid. RMS      .47396  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 20:10:12  

Additional Information
 Earth MOID = .477164 au 
 Jupiter MOID = .00140646 au 
 T_jup = 2.710 
[ 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 21.5   n/a MPO337123  

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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