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49552 (1999 CF85)
Classification: Main-belt Asteroid          SPK-ID: 2049552
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1527794359798802 3.4289e-08  
a 2.64440971506763 1.1168e-08 au
q 2.240398290299882 9.2435e-08 au
i 4.751737364671093 3.7853e-06 deg
node 111.5579116809259 4.5485e-05 deg
peri 316.7191425989304 4.7362e-05 deg
M 30.4541271450762 1.1983e-05 deg
tp 2458867.627471748063
(2020-Jan-19.12747175)
5.2238e-05 TDB
period 1570.693848581733
4.30
9.95e-06
2.724e-08
d
yr
n .2291980708557967 1.4519e-09 deg/d
Q 3.048421139835378 1.2874e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1154  
   data-arc span      11289 days (30.91 yr)  
   first obs. used      1989-12-02  
   last obs. used      2020-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48666  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:32:04  

Additional Information
 Earth MOID = 1.25746 au 
 Jupiter MOID = 2.23642 au 
 T_jup = 3.372 
[ 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 14.7   n/a MPO452844  
diameter diameter 2.946 km 0.947 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.223   0.143 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

49552 (1999 CF85)          Discovered 1999-Feb-10 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 CF85 = 1989 XS 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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