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JPL Small-Body Database Browser
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324131 (2005 YA55)
Classification: Main-belt Asteroid          SPK-ID: 2324131
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05655642668371878 6.9373e-08  
a 3.08633625260031 4.4769e-08 au
q 2.911784102608817 2.1112e-07 au
i 4.648322998683652 8.0998e-06 deg
node 274.3517471006093 8.9994e-05 deg
peri 264.519274115939 0.0001145 deg
M 167.6182542595262 7.3162e-05 deg
tp 2458078.391342554606
(2017-Nov-20.89134255)
0.00039693 TDB
period 1980.447285689803
5.42
4.3091e-05
1.18e-07
d
yr
n .1817771180284709 3.9551e-09 deg/d
Q 3.260888402591803 4.7301e-08 au
  Orbit Determination Parameters
   # obs. used (total)      117  
   data-arc span      7593 days (20.79 yr)  
   first obs. used      1998-09-19  
   last obs. used      2019-07-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61722  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:12:50  

Additional Information
 Earth MOID = 1.91992 au 
 Jupiter MOID = 1.74737 au 
 T_jup = 3.219 
[ 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 16.3   n/a MPO450270  

324131 (2005 YA55)          Discovered 2005-Dec-25 by Spacewatch at Kitt Peak
Reference: 20120406/Numbers.arcLast Updated: 2012-04-09

[ show close-approach data ]
Alternate Designations
 2005 YA55 = 2007 FQ9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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