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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1731960041635452 8.6328e-09  
a 2.577516323049416 1.2602e-08 au
q 2.131100795230943 2.9451e-08 au
i 12.729342780073 3.9338e-07 deg
node 269.9049668775029 1.8195e-06 deg
peri 59.46038430473161 7.2412e-06 deg
M 287.3919856376463 1.0219e-05 deg
tp 2459505.347489364515
(2021-Oct-17.84748936)		 4.4012e-05 TDB
period 1511.473590553481
4.14		 1.1085e-05
3.035e-08		 d
yr
n .2381781608689391 1.7467e-09 deg/d
Q 3.023931850867888 1.4784e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1985  
   data-arc span      16498 days (45.17 yr)  
   first obs. used      1975-04-20  
   last obs. used      2020-06-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44934  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 01:12:55  

Additional Information
 Earth MOID = 1.1479 au 
 Jupiter MOID = 2.35402 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 13.48   n/a E2021B10  
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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