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79459 (1997 YS)
Classification: Main-belt Asteroid          SPK-ID: 2079459
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04497319276481528 3.1282e-08  
a 3.089941053764898 1.6118e-08 au
q 2.950976539122013 9.4877e-08 au
i 5.635230059502192 3.5687e-06 deg
node 275.6903601586754 3.6918e-05 deg
peri 129.0439383574233 5.7647e-05 deg
M 172.3973535573288 4.43e-05 deg
tp 2458446.438295566068
(2018-Nov-23.93829557)
0.00024316 TDB
period 1983.918004184907
5.43
1.5523e-05
4.25e-08
d
yr
n .1814591123426525 1.4198e-09 deg/d
Q 3.228905568407783 1.6843e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1552  
   data-arc span      8598 days (23.54 yr)  
   first obs. used      1997-12-20  
   last obs. used      2021-07-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .483  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 18:02:13  

Additional Information
 Earth MOID = 1.96409 au 
 Jupiter MOID = 2.00121 au 
 T_jup = 3.216 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.86   n/a MPO637107  
diameter diameter 9.784 km 0.266 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.074   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

79459 (1997 YS)          Discovered 1997-Dec-20 by Kobayashi, T. at Oizumi
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

Alternate Designations
 1997 YS = 2001 QK131 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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