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80003 (1999 FW50)
Classification: Main-belt Asteroid          SPK-ID: 2080003
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1569001398663073 3.6662e-08  
a 2.995892772787516 1.9458e-08 au
q 2.525836777712696 1.1736e-07 au
i 4.325470243507786 5.8512e-06 deg
node 193.7993794114518 4.4907e-05 deg
peri 71.54221021983282 4.8393e-05 deg
M 315.5206295328046 1.7369e-05 deg
tp 2459234.515140113011
(2021-Jan-20.01514011)
9.1555e-05 TDB
period 1894.034235552349
5.19
1.8452e-05
5.052e-08
d
yr
n .1900704819599075 1.8517e-09 deg/d
Q 3.465948767862336 2.2511e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1241  
   data-arc span      7785 days (21.31 yr)  
   first obs. used      1999-03-20  
   last obs. used      2020-07-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51422  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:21:11  

Additional Information
 Earth MOID = 1.51438 au 
 Jupiter MOID = 1.62836 au 
 T_jup = 3.231 
[ 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 14.2   n/a MPO337859  
diameter diameter 8.760 km 0.421 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
rotation period rot_per 4.82302 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.053   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

80003 (1999 FW50)          Discovered 1999-Mar-20 by LINEAR at Socorro
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

[ show close-approach data ]
Alternate Designations
 1999 FW50 = 2000 LM17 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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