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233257 (2005 YZ155)
Classification: Main-belt Asteroid          SPK-ID: 2233257
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02060520869625388 4.8647e-08  
a 2.964261236291488 3.5796e-08 au
q 2.903182014887486 1.3622e-07 au
i 8.218077626325757 4.7666e-06 deg
node 262.6670957209614 5.7311e-05 deg
peri 20.17388018044705 0.00021344 deg
M 121.1251843324373 0.00020539 deg
tp 2458373.301387034638
(2018-Sep-11.80138703)
0.001065 TDB
period 1864.116879672426
5.10
3.3767e-05
9.245e-08
d
yr
n .1931209378154772 3.4982e-09 deg/d
Q 3.025340457695489 3.6534e-08 au
  Orbit Determination Parameters
   # obs. used (total)      334  
   data-arc span      6500 days (17.80 yr)  
   first obs. used      2002-04-09  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53349  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 07:17:59  

Additional Information
 Earth MOID = 1.88805 au 
 Jupiter MOID = 2.0345 au 
 T_jup = 3.249 
[ 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 15.2   n/a MPO454687  

233257 (2005 YZ155)          Discovered 2005-Dec-25 by Spacewatch at Kitt Peak
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

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