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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1522037172780407 4.1465e-08  
a 3.047485984557554 1.6384e-08 au
q 2.583647289355164 1.2796e-07 au
i 3.869389665229976 4.1103e-06 deg
node 56.92879469669342 5.8154e-05 deg
peri 130.9982330741895 5.9209e-05 deg
M .1604320960975578 1.0304e-05 deg
tp 2458999.634036156606
(2020-May-30.13403616)		 5.5617e-05 TDB
period 1943.17091906696
5.32		 1.567e-05
4.29e-08		 d
yr
n .1852641970233164 1.494e-09 deg/d
Q 3.511324679759943 1.8877e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1129  
   data-arc span      10403 days (28.48 yr)  
   first obs. used      1991-11-04  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52115  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 14:06:00  

Additional Information
 Earth MOID = 1.58656 au 
 Jupiter MOID = 1.4483 au 
 T_jup = 3.217 
[ 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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