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39218 (2000 YY3)
Classification: Main-belt Asteroid          SPK-ID: 2039218
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1093817379005364 3.0907e-08  
a 2.317880440776916 8.7802e-09 au
q 2.064346649919075 7.2409e-08 au
i 7.533735519597273 3.5582e-06 deg
node 81.40998241803315 2.9936e-05 deg
peri 188.0671894680355 3.5613e-05 deg
M 52.53269416725858 2.1098e-05 deg
tp 2459012.411541732576
(2020-Jun-11.91154173)
7.5178e-05 TDB
period 1288.946741636464
3.53
7.3238e-06
2.005e-08
d
yr
n .2792978083353074 1.587e-09 deg/d
Q 2.571414231634756 9.7405e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1530  
   data-arc span      8260 days (22.61 yr)  
   first obs. used      1998-02-27  
   last obs. used      2020-10-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48855  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 00:22:17  

Additional Information
 Earth MOID = 1.0468 au 
 Jupiter MOID = 2.4978 au 
 T_jup = 3.560 
[ 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 14.56   n/a E2021B10  
diameter diameter 3.484 km 0.158 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 54.444 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
[Erasmus, N.; Navarro-Meza, S.; McNeill, A.; Trilling, D.E.; et al. (2020) Ap. J. Suppl. Ser. 247, A13.]
geometric albedo albedo 0.277   0.062 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

39218 (2000 YY3)          Discovered 2000-Dec-18 by Spacewatch at Kitt Peak
Reference: 20020328/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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