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385439 (2003 HS25)
Classification: Main-belt Asteroid          SPK-ID: 2385439
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08046428472618722 7.151e-08  
a 3.198828636655481 3.4945e-08 au
q 2.941437178445353 2.3641e-07 au
i 1.133026638338921 6.9679e-06 deg
node 24.28719546079081 0.00030846 deg
peri 181.3513652301758 0.00031161 deg
M 30.83477152649603 4.1046e-05 deg
tp 2459021.512326189341
(2020-Jun-21.01232619)
0.00023859 TDB
period 2089.704556963179
5.72
3.4242e-05
9.375e-08
d
yr
n .1722731564136333 2.8229e-09 deg/d
Q 3.456220094865608 3.7756e-08 au
  Orbit Determination Parameters
   # obs. used (total)      138  
   data-arc span      6257 days (17.13 yr)  
   first obs. used      2003-03-30  
   last obs. used      2020-05-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .65535  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:05:23  

Additional Information
 Earth MOID = 1.93625 au 
 Jupiter MOID = 1.50312 au 
 T_jup = 3.189 
[ 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 16.65   n/a E2021B25  

385439 (2003 HS25)          Discovered 2003-Apr-25 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-02-19

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