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469217 (2016 HD2)
Classification: Main-belt Asteroid          SPK-ID: 2469217
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0944211457324276 6.7807e-08  
a 2.568992324406493 2.7294e-08 au
q 2.32642512575822 1.7532e-07 au
i 5.845347955060706 5.5645e-06 deg
node 84.63783331578959 6.154e-05 deg
peri 115.5723664449927 6.9406e-05 deg
M 14.84206042902802 2.8226e-05 deg
tp 2458938.493912101180
(2020-Mar-29.99391210)
0.000118 TDB
period 1503.981994300306
4.12
2.3969e-05
6.562e-08
d
yr
n .2393645677702956 3.8147e-09 deg/d
Q 2.811559523054767 2.9872e-08 au
  Orbit Determination Parameters
   # obs. used (total)      204  
   data-arc span      4906 days (13.43 yr)  
   first obs. used      2006-11-21  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5414  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 04:46:38  

Additional Information
 Earth MOID = 1.33024 au 
 Jupiter MOID = 2.16061 au 
 T_jup = 3.417 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.5   n/a MPO419283  

469217 (2016 HD2)          Discovered 2006-Nov-21 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2016-06-21
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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