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JPL Small-Body Database Browser
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201838 (2003 YM66)
Classification: Main-belt Asteroid          SPK-ID: 2201838
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07979124671193004 5.7615e-08  
a 3.138765427347521 3.9e-08 au
q 2.888319420763158 1.9447e-07 au
i 19.02863285219425 5.6017e-06 deg
node 269.2229482154803 2.1525e-05 deg
peri 169.4619446371143 5.762e-05 deg
M 294.746049398379 5.0073e-05 deg
tp 2458968.663751273317
(2020-Apr-29.16375127)
0.00028214 TDB
period 2031.125307148861
5.56
3.7856e-05
1.036e-07
d
yr
n .1772416496081872 3.3034e-09 deg/d
Q 3.389211433931883 4.2112e-08 au
  Orbit Determination Parameters
   # obs. used (total)      596  
   data-arc span      6704 days (18.35 yr)  
   first obs. used      2001-07-27  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47764  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 14:37:59  

Additional Information
 Earth MOID = 1.90586 au 
 Jupiter MOID = 1.85542 au 
 T_jup = 3.122 
[ 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 14.5   n/a MPO449981  
diameter diameter 7.405 km 0.134 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 9.378 h n/a LCDB (Rev. 2019-January); 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 0.067   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

201838 (2003 YM66)          Discovered 2003-Dec-20 by LINEAR at Socorro
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12

[ show close-approach data ]
Alternate Designations
 2003 YM66 = 2002 TH247 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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