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56693 (2000 LY20)
Classification: Main-belt Asteroid          SPK-ID: 2056693
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08772900210424438 5.6654e-08  
a 2.520015705193499 9.6294e-09 au
q 2.298937242089849 1.4539e-07 au
i 9.491947126415099 3.0211e-06 deg
node 248.1493612200804 2.6758e-05 deg
peri 96.84357196243347 3.309e-05 deg
M 314.6214706536102 1.8972e-05 deg
tp 2459184.683708903408
(2020-Dec-01.18370890)
7.6972e-05 TDB
period 1461.178582917257
4.00
8.3751e-06
2.293e-08
d
yr
n .2463764554235777 1.4122e-09 deg/d
Q 2.741094168297148 1.0474e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1554  
   data-arc span      8905 days (24.38 yr)  
   first obs. used      1996-06-19  
   last obs. used      2020-11-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49678  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 03:56:07  

Additional Information
 Earth MOID = 1.31558 au 
 Jupiter MOID = 2.57545 au 
 T_jup = 3.432 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.0   n/a MPO474449  
diameter diameter 4.204 km 0.136 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 59.1401 h n/a LCDB (Rev. 2020-October); 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:
[Pal, A.; Szakats, R.; Kiss, C.; Bodi, A.; et al. (2019) Ap. J. Supl. Ser. 247, id.26.]
geometric albedo albedo 0.331   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

56693 (2000 LY20)          Discovered 2000-Jun-08 by LINEAR at Socorro
Reference: 20030318/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 LY20 = 2001 VV45 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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