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312443 (2008 HS69)
Classification: Main-belt Asteroid          SPK-ID: 2312443
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1842116200235956 6.2326e-08  
a 2.927988138247787 2.9627e-08 au
q 2.38861869989129 1.9181e-07 au
i 8.296187157482388 6.7973e-06 deg
node 58.1113851897701 4.8781e-05 deg
peri 61.0532061359031 5.2358e-05 deg
M 310.9264795399309 2.1728e-05 deg
tp 2459645.957812862350
(2022-Mar-07.45781286)
0.00011254 TDB
period 1830.005505790434
5.01
2.7776e-05
7.605e-08
d
yr
n .1967207196158162 2.9858e-09 deg/d
Q 3.467357576604283 3.5085e-08 au
  Orbit Determination Parameters
   # obs. used (total)      179  
   data-arc span      7344 days (20.11 yr)  
   first obs. used      2000-09-27  
   last obs. used      2020-11-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .66079  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 06:29:59  

Additional Information
 Earth MOID = 1.41835 au 
 Jupiter MOID = 1.70987 au 
 T_jup = 3.236 
[ 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 16.2   n/a MPO455303  

312443 (2008 HS69)          Discovered 2008-Apr-29 by Spacewatch at Kitt Peak
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

[ show close-approach data ]
Alternate Designations
 2008 HS69 = 2001 YS144 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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