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49542 (1999 CT70)
Classification: Outer Main-belt Asteroid          SPK-ID: 2049542
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06415057778437154 4.4808e-08  
a 3.236901671201851 2.3904e-08 au
q 3.029252558763054 1.4824e-07 au
i 4.381518554187441 4.7878e-06 deg
node 225.8893513396422 6.4548e-05 deg
peri 279.0519536724661 7.4611e-05 deg
M 234.4638964981679 3.928e-05 deg
tp 2459742.252179167073
(2022-Jun-11.75217917)
0.00023517 TDB
period 2127.123409531736
5.82
2.3563e-05
6.451e-08
d
yr
n .1692426487277718 1.8747e-09 deg/d
Q 3.444550783640647 2.5437e-08 au
  Orbit Determination Parameters
   # obs. used (total)      907  
   data-arc span      7978 days (21.84 yr)  
   first obs. used      1997-11-29  
   last obs. used      2019-10-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57843  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:42:08  

Additional Information
 Earth MOID = 2.04532 au 
 Jupiter MOID = 1.58792 au 
 T_jup = 3.177 
[ 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 MPO452844  
diameter diameter 9.858 km 0.197 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.055   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

49542 (1999 CT70)          Discovered 1999-Feb-12 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 CT70 = 1997 WC38 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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