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JPL Small-Body Database Browser
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74516 (1999 FD30)
Classification: Main-belt Asteroid          SPK-ID: 2074516
[ 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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1525250086133403 4.631e-08  
a 3.048719559746951 2.1408e-08 au
q 2.583713582636888 1.3792e-07 au
i 3.869486553842352 4.9129e-06 deg
node 56.93657793308517 5.8793e-05 deg
peri 130.9181891658238 6.0097e-05 deg
M 286.1586862581013 1.3108e-05 deg
tp 2458999.315066258499
(2020-May-29.81506626)		 7.2885e-05 TDB
period 1944.350886752899
5.32		 2.048e-05
5.607e-08		 d
yr
n .1851517657912078 1.9502e-09 deg/d
Q 3.513725536857013 2.4674e-08 au
   Orbit Determination Parameters
   # obs. used (total)      803  
   data-arc span      9988 days (27.35 yr)  
   first obs. used      1991-11-04  
   last obs. used      2019-03-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58053  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 06:24:34  

Additional Information
 Earth MOID = 1.58705 au 
 Jupiter MOID = 1.44721 au 
 T_jup = 3.216 
[ 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 14.4   n/a MPO432297  
diameter diameter 5.076 km 0.181 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.143   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74516 (1999 FD30)          Discovered 1999-Mar-19 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 FD30 = 2001 SN347 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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