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JPL Small-Body Database Browser
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(2003 HN16)
Classification: Apollo [NEO, PHA]          SPK-ID: 3153516
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .210768191523181 1.7199e-07  
a 1.288273025213156 5.0041e-08 au
q 1.016746049500882 2.6049e-07 au
i 26.18994518143699 2.9293e-05 deg
node 215.4762468900869 4.3745e-06 deg
peri 339.0190294152816 0.00021267 deg
M 261.1873558835735 0.00038574 deg
tp 2459147.095391197681
(2020-Oct-24.59539120)
0.0005808 TDB
period 534.0848967565682
1.46
3.1119e-05
8.52e-08
d
yr
n .6740501410660283 3.9274e-08 deg/d
Q 1.559800000925431 6.0589e-08 au
  Orbit Determination Parameters
   # obs. used (total)      76  
   # delay obs. used      1  
   # Doppler obs. used      2  
   data-arc span      4576 days (12.53 yr)  
   first obs. used      2003-04-27  
   last obs. used      2015-11-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .56569  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-06 09:14:08  

Additional Information
 Earth MOID = .022128 au 
 Jupiter MOID = 3.41912 au 
 T_jup = 4.912 
[ 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 22.3   n/a MPO57915  

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