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JPL Small-Body Database Browser
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80450 (1999 YW27)
Classification: Main-belt Asteroid          SPK-ID: 2080450
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2321090541532554 8.9772e-08  
a 2.381069341074372 8.7201e-09 au
q 1.828401588444284 2.1564e-07 au
i 11.52382765597197 7.9931e-06 deg
node 18.351069382223 1.8395e-05 deg
peri 20.81938186637192 2.5077e-05 deg
M 140.5765894568918 1.2918e-05 deg
tp 2458076.456916608590
(2017-Nov-18.95691661)
4.7127e-05 TDB
period 1342.012284902953
3.67
7.3722e-06
2.018e-08
d
yr
n .2682538781871384 1.4736e-09 deg/d
Q 2.933737093704459 1.0744e-08 au
  Orbit Determination Parameters
   # obs. used (total)      860  
   data-arc span      12611 days (34.53 yr)  
   first obs. used      1984-10-30  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49597  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 05:49:42  

Additional Information
 Earth MOID = .83899 au 
 Jupiter MOID = 2.52348 au 
 T_jup = 3.475 
[ 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 15.4   n/a MPO474695  
diameter diameter 5.086 km 2.818 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.052   0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

80450 (1999 YW27)          Discovered 1999-Dec-30 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1999 YW27 = 1984 UF5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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