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100860 (1998 HA52)
Classification: Main-belt Asteroid          SPK-ID: 2100860
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .195907679685745 4.8842e-08  
a 2.408850721924315 1.5615e-08 au
q 1.936938366282791 1.2516e-07 au
i 5.476244131868973 5.2774e-06 deg
node 202.9395137035192 4.5842e-05 deg
peri 55.52176878877172 4.8603e-05 deg
M 296.9247135471877 2.1264e-05 deg
tp 2459239.759939506274
(2021-Jan-25.25993951)
8.243e-05 TDB
period 1365.567769346503
3.74
1.3278e-05
3.635e-08
d
yr
n .2636266087125644 2.5634e-09 deg/d
Q 2.880763077565839 1.8674e-08 au
  Orbit Determination Parameters
   # obs. used (total)      505  
   data-arc span      8037 days (22.00 yr)  
   first obs. used      1998-04-21  
   last obs. used      2020-04-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58203  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 17:56:32  

Additional Information
 Earth MOID = .928409 au 
 Jupiter MOID = 2.18757 au 
 T_jup = 3.488 
[ 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 16.1   n/a MPO417509  

100860 (1998 HA52)          Discovered 1998-Apr-30 by LONEOS at Anderson Mesa
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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