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214867 (2007 HN17)
Classification: Main-belt Asteroid          SPK-ID: 2214867
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2838660830702872 5.2153e-08  
a 3.120945396374593 3.8398e-08 au
q 2.235014851229492 1.5586e-07 au
i 15.98913697019611 1.1465e-05 deg
node 38.92524798923142 2.4557e-05 deg
peri 247.659439258729 3.2194e-05 deg
M 92.66139142352461 1.939e-05 deg
tp 2458482.148930378004
(2018-Dec-29.64893038)
0.00010795 TDB
period 2013.852611072958
5.51
3.7165e-05
1.018e-07
d
yr
n .1787618408718581 3.299e-09 deg/d
Q 4.006875941519694 4.9297e-08 au
  Orbit Determination Parameters
   # obs. used (total)      202  
   data-arc span      8596 days (23.53 yr)  
   first obs. used      1996-04-18  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65988  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 23:56:01  

Additional Information
 Earth MOID = 1.27558 au 
 Jupiter MOID = 1.49664 au 
 T_jup = 3.095 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.5   n/a MPO450014  

214867 (2007 HN17)          Discovered 2007-Apr-16 by CSS at Catalina
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

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