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JPL Small-Body Database Browser
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17725 (1997 YQ7)
Classification: Main-belt Asteroid          SPK-ID: 2017725
[ 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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1658711436088369 3.7036e-08  
a 2.690146609341907 1.3115e-08 au
q 2.24392891477493 1.0203e-07 au
i 11.4796440118707 5.8374e-06 deg
node 336.3721452519613 2.0011e-05 deg
peri 86.81186666981787 2.7675e-05 deg
M 347.4898141259467 1.8217e-05 deg
tp 2458656.504588709026
(2019-Jun-22.00458871)		 8.1643e-05 TDB
period 1611.618895053009
4.41		 1.1785e-05
3.227e-08		 d
yr
n .2233778724641715 1.6335e-09 deg/d
Q 3.136364303908884 1.529e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1508  
   data-arc span      16509 days (45.20 yr)  
   first obs. used      1974-09-22  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45372  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 00:22:04  

Additional Information
 Earth MOID = 1.29125 au 
 Jupiter MOID = 2.27365 au 
 T_jup = 3.324 
[ 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 13.3   n/a MPO502304  
diameter diameter 6.427 km 1.160 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2015ApJ...814..117N)  
geometric albedo albedo 0.352   0.171 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

17725 (1997 YQ7)          Discovered 1997-Dec-27 by Kobayashi, T. at Oizumi
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 YQ7 = 1974 SS3 = 1979 YP2 = 1983 TX1 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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