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74496 (1999 CO136)
Classification: Main-belt Asteroid          SPK-ID: 2074496
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1240844197270356 3.7209e-08  
a 3.183985256356366 1.9796e-08 au
q 2.78890229340195 1.2598e-07 au
i .3087360498487721 4.3069e-06 deg
node 239.5711118185501 0.00071178 deg
peri 235.2142021752369 0.00071211 deg
M 312.0080234021761 2.0425e-05 deg
tp 2459477.143923481446
(2021-Sep-19.64392348)		 0.00011853 TDB
period 2075.176300570135
5.68		 1.9353e-05
5.299e-08		 d
yr
n .1734792363911892 1.6179e-09 deg/d
Q 3.579068219310783 2.2252e-08 au
   Orbit Determination Parameters
   # obs. used (total)      797  
   data-arc span      8115 days (22.22 yr)  
   first obs. used      1998-10-28  
   last obs. used      2021-01-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54508  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:13:53  

Additional Information
 Earth MOID = 1.80524 au 
 Jupiter MOID = 1.51598 au 
 T_jup = 3.187 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457555.5 (2016-Jun-16.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1205914916187188 3.794e-08  
q 2.803298004469716 1.2805e-07 au
tp 2457405.523676681145
(2016-Jan-18.02367668)		 0.00011799 TDB
node 240.1399986894268 0.00072742 deg
peri 235.6000101816997 0.00072777 deg
i .3031117539852684 4.2918e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      797  
   data-arc span      8115 days (22.22 yr)  
   first obs. used      1998-10-28  
   last obs. used      2021-01-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54508  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 13:13:53  

Additional Information
 Jupiter MOID = 1.51598 au 
 T_jup = 3.187 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.439411987866369E-15 -4.819263306117135E-15 6.821864116236041E-13 5.781090895899008E-15 1.831591148556368E-13 -5.05287567956098E-17
q -4.819263306117135E-15 1.639733325678836E-14 -1.969865044138044E-12 -3.74574714930808E-15 -5.663691179403583E-13 1.413572030693878E-16
tp 6.821864116236041E-13 -1.969865044138044E-12 1.392112877326569E-8 -1.019392326916144E-11 2.650871770788919E-9 9.955043222860639E-14
node 5.781090895899008E-15 -3.74574714930808E-15 -1.019392326916144E-11 5.291463585583631E-7 -5.291407955697503E-7 -8.099776975954679E-10
peri 1.831591148556368E-13 -5.663691179403583E-13 2.650871770788919E-9 -5.291407955697503E-7 5.29646519429707E-7 8.099738447759503E-10
i -5.05287567956098E-17 1.413572030693878E-16 9.955043222860639E-14 -8.099776975954679E-10 8.099738447759503E-10 1.841938891825726E-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 15.05   n/a E2021B10  
diameter diameter 5.484 km 0.132 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.059   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

74496 (1999 CO136)          Discovered 1999-Feb-09 by Spacewatch at Kitt Peak
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

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