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56565 (2000 JY12)
Classification: Main-belt Asteroid          SPK-ID: 2056565
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 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2361618815276669 5.2752e-08  
a 2.545042750403428 1.2302e-08 au
q 1.944000665899806 1.3675e-07 au
i 11.38206024085762 4.4233e-06 deg
node 260.9359305407967 2.3238e-05 deg
peri 84.24537629124868 2.5459e-05 deg
M 258.6511335111574 1.1224e-05 deg
tp 2459418.000927478404
(2021-Jul-22.50092748)
4.6678e-05 TDB
period 1482.999653565654
4.06
1.0753e-05
2.944e-08
d
yr
n .2427512367480553 1.7601e-09 deg/d
Q 3.14608483490705 1.5207e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1486  
   data-arc span      8181 days (22.40 yr)  
   first obs. used      1997-12-04  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .44737  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 11:09:41  

Additional Information
 Earth MOID = .97596 au 
 Jupiter MOID = 2.40982 au 
 T_jup = 3.377 
[ 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 14.2   n/a MPO436178  
diameter diameter 4.502 km 0.257 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 8.730 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.240   0.035 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

56565 (2000 JY12)          Discovered 2000-May-09 by LINEAR at Socorro
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2000 JY12 = 2001 SN109 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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