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227980 (2007 HA88)
Classification: Main-belt Asteroid          SPK-ID: 2227980
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02164460415625349 5.2008e-08  
a 2.999784324875499 3.9601e-08 au
q 2.934855180609435 1.4505e-07 au
i 10.01126825576917 5.1034e-06 deg
node 83.15821764247245 4.1141e-05 deg
peri 165.0852704668562 0.00019284 deg
M 190.7645489611721 0.00019242 deg
tp 2460092.618029492660
(2023-May-28.11802949)
0.001021 TDB
period 1897.725852626901
5.20
3.7579e-05
1.029e-07
d
yr
n .1897007407585637 3.7565e-09 deg/d
Q 3.064713469141564 4.0458e-08 au
  Orbit Determination Parameters
   # obs. used (total)      281  
   data-arc span      6825 days (18.69 yr)  
   first obs. used      2002-05-08  
   last obs. used      2021-01-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52221  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 13:12:34  

Additional Information
 Earth MOID = 1.91921 au 
 Jupiter MOID = 1.96075 au 
 T_jup = 3.230 
[ 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 MPO494251  

227980 (2007 HA88)          Discovered 2007-Apr-27 by Stevens, B. L. at Desert Moon
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

[ show close-approach data ]
Alternate Designations
 2007 HA88 = 2006 AA83 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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