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JPL Small-Body Database Browser
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357944 (2005 YZ55)
Classification: Main-belt Asteroid          SPK-ID: 2357944
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2252709658268154 9.066e-08  
a 2.883626173561291 2.8229e-08 au
q 2.234028920359655 2.6064e-07 au
i 9.634426786435325 6.4136e-06 deg
node 56.40598827743226 5.5228e-05 deg
peri 263.3799813990809 5.9307e-05 deg
M 350.9733879153205 1.8141e-05 deg
tp 2458645.346560809592
(2019-Jun-10.84656081)
9.016e-05 TDB
period 1788.573801554525
4.90
2.6264e-05
7.191e-08
d
yr
n .201277688226848 2.9556e-09 deg/d
Q 3.533223426762927 3.4588e-08 au
  Orbit Determination Parameters
   # obs. used (total)      154  
   data-arc span      6912 days (18.92 yr)  
   first obs. used      2000-11-28  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62288  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 11:09:57  

Additional Information
 Earth MOID = 1.24558 au 
 Jupiter MOID = 1.89369 au 
 T_jup = 3.235 
[ 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 16.2   n/a MPO450331  

357944 (2005 YZ55)          Discovered 2005-Dec-23 by Spacewatch at Kitt Peak
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

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