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JPL Small-Body Database Browser
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15936 (1997 YM4)
Classification: Main-belt Asteroid          SPK-ID: 2015936
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1730757077862319 4.662e-08  
a 2.577613399583074 1.4372e-08 au
q 2.131491136050959 1.231e-07 au
i 12.72922939851276 4.1631e-06 deg
node 269.9063927834766 2.2828e-05 deg
peri 59.45074860071187 2.5468e-05 deg
M 239.7536478029819 1.2333e-05 deg
tp 2459505.387371064440
(2021-Oct-17.88737106)		 5.2667e-05 TDB
period 1511.558980894438
4.14		 1.2642e-05
3.461e-08		 d
yr
n .2381647058105377 1.9918e-09 deg/d
Q 3.02373566311519 1.6859e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1651  
   data-arc span      16051 days (43.95 yr)  
   first obs. used      1975-04-20  
   last obs. used      2019-03-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46234  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 19:34:48  

Additional Information
 Earth MOID = 1.15014 au 
 Jupiter MOID = 2.35441 au 
 T_jup = 3.371 
[ 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 13.4   n/a MPO337393  
diameter diameter 4.773 km 0.118 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.214   0.033 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15936 (1997 YM4)          Discovered 1997-Dec-22 by Zoltowski, F. B. at Woomera
Reference: 20000726/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 YM4 = 1989 YT6 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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