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56072 (1998 YK8)
Classification: Main-belt Asteroid          SPK-ID: 2056072
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1349284963602181 3.0706e-08  
a 2.30446908981479 7.1949e-09 au
q 1.99353054061748 7.0467e-08 au
i 5.404098327662577 3.2368e-06 deg
node 129.6203256103986 3.6711e-05 deg
peri 79.37815220157279 3.8615e-05 deg
M 214.5211494982694 1.2282e-05 deg
tp 2459116.859436032996
(2020-Sep-24.35943603)
4.4252e-05 TDB
period 1277.77609137534
3.50
5.9841e-06
1.638e-08
d
yr
n .2817395022726654 1.3195e-09 deg/d
Q 2.6154076390121 8.1657e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1376  
   data-arc span      7658 days (20.97 yr)  
   first obs. used      1998-12-16  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54681  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 05:40:41  

Additional Information
 Earth MOID = .997438 au 
 Jupiter MOID = 2.35871 au 
 T_jup = 3.571 
[ 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 15.0   n/a MPO417209  
diameter diameter 1.574 km 0.290 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.593   0.220 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

56072 (1998 YK8)          Discovered 1998-Dec-24 by Kobayashi, T. at Oizumi
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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