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74487 (1999 CE105)
Classification: Outer Main-belt Asteroid          SPK-ID: 2074487
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 .0264993610244513 5.5734e-08  
a 3.377585273029502 3.7255e-08 au
q 3.288081421488624 2.0173e-07 au
i 20.92610068974385 5.9378e-06 deg
node 279.5249139299603 1.5325e-05 deg
peri 7.717399631932038 0.00011881 deg
M 9.76861632558605 0.00011517 deg
tp 2458938.976864339337
(2020-Mar-30.47686434)
0.00072563 TDB
period 2267.294374109845
6.21
3.7513e-05
1.027e-07
d
yr
n .1587795586275992 2.627e-09 deg/d
Q 3.467089124570381 3.8242e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1526  
   data-arc span      8226 days (22.52 yr)  
   first obs. used      1997-12-06  
   last obs. used      2020-06-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42104  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 23:49:39  

Additional Information
 Earth MOID = 2.27214 au 
 Jupiter MOID = 1.69831 au 
 T_jup = 3.045 
[ 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 12.3   n/a MPO436303  
diameter diameter 17.178 km 0.271 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.074   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74487 (1999 CE105)          Discovered 1999-Feb-12 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 CE105 = 2002 NS32 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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