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49618 (1999 FC44)
Classification: Main-belt Asteroid          SPK-ID: 2049618
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08112826821541265 4.2117e-08  
a 3.071026770116287 2.0162e-08 au
q 2.821879686613581 1.3046e-07 au
i 11.78654479191914 5.1182e-06 deg
node 354.1892096565315 2.2007e-05 deg
peri 102.1275387958276 4.888e-05 deg
M 41.9106689060396 3.9131e-05 deg
tp 2458771.652632087321
(2019-Oct-15.15263209)
0.00021435 TDB
period 1965.72983917926
5.38
1.9358e-05
5.3e-08
d
yr
n .1831380858268442 1.8035e-09 deg/d
Q 3.320173853618993 2.1797e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1192  
   data-arc span      8672 days (23.74 yr)  
   first obs. used      1996-09-11  
   last obs. used      2020-06-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5348  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:31:44  

Additional Information
 Earth MOID = 1.86838 au 
 Jupiter MOID = 1.82656 au 
 T_jup = 3.193 
[ 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 14.0   n/a MPO337654  
diameter diameter 6.187 km 0.270 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.139   0.037 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

49618 (1999 FC44)          Discovered 1999-Mar-20 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 FC44 = 2001 PL19 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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