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JPL Small-Body Database Browser
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172684 (2003 YQ149)
Classification: Main-belt Asteroid          SPK-ID: 2172684
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 .1200896060134798 5.0159e-08  
a 2.730949164990265 2.6011e-08 au
q 2.402990555723742 1.3876e-07 au
i 12.42287401405593 5.7605e-06 deg
node 47.97752097442463 2.2919e-05 deg
peri 337.5797555491696 3.361e-05 deg
M 300.6709896783102 2.8845e-05 deg
tp 2459272.164852651552
(2021-Feb-26.66485265)
0.00013468 TDB
period 1648.423704091432
4.51
2.3551e-05
6.448e-08
d
yr
n .2183904533200234 3.1201e-09 deg/d
Q 3.058907774256787 2.9135e-08 au
  Orbit Determination Parameters
   # obs. used (total)      374  
   data-arc span      6145 days (16.82 yr)  
   first obs. used      2002-08-13  
   last obs. used      2019-06-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62683  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 16:52:58  

Additional Information
 Earth MOID = 1.41306 au 
 Jupiter MOID = 2.38339 au 
 T_jup = 3.310 
[ 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 15.7   n/a MPO436858  

172684 (2003 YQ149)          Discovered 2003-Dec-29 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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