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JPL Small-Body Database Browser
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172640 (2003 YY44)
Classification: Main-belt Asteroid          SPK-ID: 2172640
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1407178304562821 5.299e-08  
a 2.288857250925405 1.6098e-08 au
q 1.966774224351052 1.2576e-07 au
i 8.380845222494788 5.7842e-06 deg
node 111.7043816635333 3.548e-05 deg
peri 233.000163281577 4.045e-05 deg
M 337.5040107332606 2.384e-05 deg
tp 2459079.536751885473
(2020-Aug-18.03675189)
8.4306e-05 TDB
period 1264.813489257776
3.46
1.3343e-05
3.653e-08
d
yr
n .2846269454409891 3.0027e-09 deg/d
Q 2.610940277499758 1.8363e-08 au
  Orbit Determination Parameters
   # obs. used (total)      403  
   data-arc span      7229 days (19.79 yr)  
   first obs. used      1999-07-14  
   last obs. used      2019-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60178  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 18:33:23  

Additional Information
 Earth MOID = .970869 au 
 Jupiter MOID = 2.77274 au 
 T_jup = 3.573 
[ 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 16.4   n/a MPO436858  

172640 (2003 YY44)          Discovered 2003-Dec-20 by LINEAR at Socorro
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

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