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216733 (2005 HN2)
Classification: Main-belt Asteroid          SPK-ID: 2216733
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1292483901691996 6.8904e-08  
a 2.467427776323622 1.7561e-08 au
q 2.148516708375026 1.7576e-07 au
i 1.818172543480856 6.0511e-06 deg
node 54.34133085709667 0.0002029 deg
peri 120.6407815419806 0.00020416 deg
M 40.23469064684755 2.708e-05 deg
tp 2459042.279312725152
(2020-Jul-11.77931273)
0.00010576 TDB
period 1415.680014018157
3.88
1.5114e-05
4.138e-08
d
yr
n .2542947533589908 2.7148e-09 deg/d
Q 2.786338844272218 1.9831e-08 au
  Orbit Determination Parameters
   # obs. used (total)      243  
   data-arc span      8847 days (24.22 yr)  
   first obs. used      1995-11-14  
   last obs. used      2020-02-03  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57727  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:56:04  

Additional Information
 Earth MOID = 1.15332 au 
 Jupiter MOID = 2.17437 au 
 T_jup = 3.474 
[ 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 17.07   n/a E2021B55  

216733 (2005 HN2)          Discovered 2005-Apr-17 by Spacewatch at Kitt Peak
Reference: 20090707/Numbers.arcLast Updated: 2009-07-09

Alternate Designations
 2005 HN2 = 2001 GM5 = 2005 GD211 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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