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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456608.5 (2013-Nov-12.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06023925691183475 4.5796e-08  
q 3.045079901513512 1.5094e-07 au
tp 2457625.225497902288
(2016-Aug-24.72549790)
0.00023768 TDB
node 225.9980726293458 6.4762e-05 deg
peri 280.958192512962 7.5656e-05 deg
i 4.369872042859678 4.7843e-06 deg
  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
 Jupiter MOID = 1.58792 au 
 T_jup = 3.177 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.097262629226355E-15 -6.834418780247825E-15 1.694138382507026E-12 -5.473279396767189E-15 3.17610822667014E-13 1.055540778687689E-15
q -6.834418780247825E-15 2.278224131116698E-14 -4.024750146670825E-12 1.719078350077641E-14 -8.313436472995315E-13 -3.094283548494795E-15
tp 1.694138382507026E-12 -4.024750146670825E-12 5.649145731598013E-8 -4.820189610074665E-11 9.322314074292016E-9 2.382133224136301E-12
node -5.473279396767189E-15 1.719078350077641E-14 -4.820189610074665E-11 4.194101175462483E-9 -4.189896484930473E-9 -7.466407910669233E-11
peri 3.17610822667014E-13 -8.313436472995315E-13 9.322314074292016E-9 -4.189896484930473E-9 5.723894936638514E-9 7.48167955706835E-11
i 1.055540778687689E-15 -3.094283548494795E-15 2.382133224136301E-12 -7.466407910669233E-11 7.48167955706835E-11 2.288967865305329E-11

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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