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JPL Small-Body Database Browser
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41981 Yaobeina (2000 YD21)
Classification: Main-belt Asteroid          SPK-ID: 2041981
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .131224234780302 4.4538e-08  
a 2.621360596010279 1.1097e-08 au
q 2.277374557715594 1.1505e-07 au
i 14.40852761665937 4.8016e-06 deg
node 110.7624487940222 1.7859e-05 deg
peri 107.8594822969021 2.5944e-05 deg
M 105.6135513852254 1.6885e-05 deg
tp 2458545.715428413406
(2019-Mar-03.21542841)
7.2782e-05 TDB
period 1550.203014895279
4.24
9.8439e-06
2.695e-08
d
yr
n .232227647953787 1.4747e-09 deg/d
Q 2.965346634304964 1.2553e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1425  
   data-arc span      8342 days (22.84 yr)  
   first obs. used      1996-11-20  
   last obs. used      2019-09-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51688  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 06:51:25  

Additional Information
 Earth MOID = 1.31469 au 
 Jupiter MOID = 2.18081 au 
 T_jup = 3.348 
[ 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 13.8   n/a MPO253642  
diameter diameter 4.431 km 0.163 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.358   0.057 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

41981 Yaobeina           Discovered 2000 Dec. 28 by W. K. Y. Yeung at Desert Beaver.
Yaobeina (1981-2015) was a talented and courageous Chinese singer who won numerous awards for the best Chinese pop song performance. One of Yao's famous songs, "Fire of the Heart", was about the reflections on her battle with breast cancer. She donated her corneas.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2015-04-04Last Updated: 2015-04-07

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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