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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02649935512650243 5.5141e-08  
a 3.37758528504639 3.306e-08 au
q 3.288081453107897 1.9686e-07 au
i 20.92610105395218 5.8811e-06 deg
node 279.5249098537089 1.3323e-05 deg
peri 7.717417656432515 0.00011657 deg
M 9.768599722161794 0.00011235 deg
tp 2458938.976968580032
(2020-Mar-30.47696858)
0.00070801 TDB
period 2267.294386209831
6.21
3.3289e-05
9.114e-08
d
yr
n .1587795577802322 2.3312e-09 deg/d
Q 3.467089116984884 3.3936e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1636  
   data-arc span      8279 days (22.67 yr)  
   first obs. used      1997-12-06  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41085  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 07:12:44  

Additional Information
 Earth MOID = 2.27214 au 
 Jupiter MOID = 1.69831 au 
 T_jup = 3.045 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457268.5 (2015-Sep-03.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02562408996229261 5.8037e-08  
q 3.285707212733648 2.0767e-07 au
tp 2456736.730932790485
(2014-Mar-20.23093279)
0.00069566 TDB
node 279.5835238825156 1.335e-05 deg
peri 17.31051296281445 0.00011259 deg
i 20.90828382639389 5.8694e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1636  
   data-arc span      8279 days (22.67 yr)  
   first obs. used      1997-12-06  
   last obs. used      2020-08-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41085  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 07:12:44  

Additional Information
 Jupiter MOID = 1.69831 au 
 T_jup = 3.045 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.368311139455391E-15 -1.192557667274775E-14 1.470298428126409E-11 4.572729301467461E-15 2.316861488843623E-12 -1.347486541492401E-15
q -1.192557667274775E-14 4.312517759190711E-14 -6.068925933022464E-11 -1.562532534773858E-14 -9.562331132926834E-12 6.042276504714868E-15
tp 1.470298428126409E-11 -6.068925933022464E-11 4.839432090271519E-7 6.844733924511674E-11 7.779548603857303E-8 1.132851234220249E-12
node 4.572729301467461E-15 -1.562532534773858E-14 6.844733924511674E-11 1.782319213842961E-10 -1.552353051222269E-10 2.811877892451633E-11
peri 2.316861488843623E-12 -9.562331132926834E-12 7.779548603857303E-8 -1.552353051222269E-10 1.267553958308132E-8 -2.603833008153858E-11
i -1.347486541492401E-15 6.042276504714868E-15 1.132851234220249E-12 2.811877892451633E-11 -2.603833008153858E-11 3.444995612517171E-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 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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