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216901 (2009 HO88)
Classification: Main-belt Asteroid          SPK-ID: 2216901
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1318139392648759 3.9575e-08  
a 2.175469363207255 1.3772e-08 au
q 1.888712176692856 8.0852e-08 au
i 3.646348607509654 3.9396e-06 deg
node 233.2037730196934 0.00010596 deg
peri .4607090651551831 0.00010909 deg
M 217.6582113188185 2.6997e-05 deg
tp 2459663.901891739432
(2022-Mar-25.40189174)
8.9012e-05 TDB
period 1172.000735496244
3.21
1.1129e-05
3.047e-08
d
yr
n .3071670427301995 2.9167e-09 deg/d
Q 2.462226549721655 1.5587e-08 au
  Orbit Determination Parameters
   # obs. used (total)      333  
   data-arc span      7432 days (20.35 yr)  
   first obs. used      2000-09-04  
   last obs. used      2021-01-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55537  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 23:56:43  

Additional Information
 Earth MOID = .876169 au 
 Jupiter MOID = 2.5293 au 
 T_jup = 3.671 
[ 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 17.26   n/a MPCxxxxx  

216901 (2009 HO88)          Discovered 2009-Apr-23 by La Sagra at La Sagra
Reference: 20090707/Numbers.arcLast Updated: 2009-07-09

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