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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1347406931635625 2.7616e-08  
a 2.304182253403476 6.6761e-09 au
q 1.993715139404712 6.4398e-08 au
i 5.404651337121992 3.2194e-06 deg
node 129.6167654023735 3.3159e-05 deg
peri 79.44013689870175 3.5324e-05 deg
M 327.1451506773641 1.2225e-05 deg
tp 2459117.092508690518
(2020-Sep-24.59250869)
4.3504e-05 TDB
period 1277.537532326118
3.50
5.5523e-06
1.52e-08
d
yr
n .2817921124747845 1.2247e-09 deg/d
Q 2.61464936740224 7.5756e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1625  
   data-arc span      7804 days (21.37 yr)  
   first obs. used      1998-12-16  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52433  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 11:04:05  

Additional Information
 Earth MOID = .997383 au 
 Jupiter MOID = 2.3585 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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