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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5960255184148467 0.00024662  
a 3.616817875026983 0.0026039 au
q 1.461102126051941 0.00015993 au
i 18.28737395939439 0.0051582 deg
node 58.53762871033519 0.0019052 deg
peri 151.038603034161 0.0049474 deg
M 296.6232628375232 0.31988 deg
tp 2459642.798802213882
(2022-Mar-04.29880221)
2.71 TDB
period 2512.397701837992
6.88
2.7131
0.007428
d
yr
n .1432894162164832 0.00015474 deg/d
Q 5.772533624002025 0.0041558 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.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      6  
   norm. resid. RMS      .5411  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-15 13:36:55  

Additional Information
 Earth MOID = .476983 au 
 Jupiter MOID = .00207035 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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