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469507 (2003 HK8)
Classification: Outer Main-belt Asteroid          SPK-ID: 2469507
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2052581782231229 4.9348e-08  
a 3.222112689939065 4.82e-08 au
q 2.560747709172566 1.6459e-07 au
i 7.755366831478152 7.9484e-06 deg
node 6.771815826004497 4.3606e-05 deg
peri 267.030605516706 4.8532e-05 deg
M 279.1662322284166 2.1333e-05 deg
tp 2459474.851017426257
(2021-Sep-17.35101743)
0.00013028 TDB
period 2112.562249430172
5.78
4.7403e-05
1.298e-07
d
yr
n .170409179704458 3.8237e-09 deg/d
Q 3.883477670705563 5.8093e-08 au
  Orbit Determination Parameters
   # obs. used (total)      179  
   data-arc span      9632 days (26.37 yr)  
   first obs. used      1993-09-18  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54708  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 13:57:59  

Additional Information
 Earth MOID = 1.55973 au 
 Jupiter MOID = 1.38378 au 
 T_jup = 3.141 
[ 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 15.7   n/a MPO434688  

469507 (2003 HK8)          Discovered 2003-Apr-25 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-08-22

[ show close-approach data ]
Alternate Designations
 2003 HK8 = 2005 TT153 = 2015 HQ175 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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