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385758 (2005 YH55)
Classification: Main-belt Asteroid          SPK-ID: 2385758
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2864694657520053 3.0319e-07  
a 2.562453771869485 1.1109e-07 au
q 1.828389008827823 8.5354e-07 au
i 6.848649013495209 1.616e-05 deg
node 86.36051690266329 7.1187e-05 deg
peri 38.77298099331599 0.00019842 deg
M 222.6923212186091 0.00019005 deg
tp 2459771.945491032594
(2022-Jul-11.44549103)
0.00082775 TDB
period 1498.243787947677
4.10
9.7426e-05
2.667e-07
d
yr
n .2402813233039564 1.5625e-08 deg/d
Q 3.296518534911147 1.4291e-07 au
  Orbit Determination Parameters
   # obs. used (total)      111  
   data-arc span      6320 days (17.30 yr)  
   first obs. used      2002-02-10  
   last obs. used      2019-06-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      1  
   norm. resid. RMS      .60664  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:06:31  

Additional Information
 Earth MOID = .849694 au 
 Jupiter MOID = 1.81134 au 
 T_jup = 3.366 
[ 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 17.8   n/a MPO534903  

385758 (2005 YH55)          Discovered 2005-Dec-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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