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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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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .12408442226938 3.7209e-08  
a 3.183985245782346 1.9796e-08 au
q 2.788902276045214 1.2598e-07 au
i .3087360338429367 4.3069e-06 deg
node 239.5711118991824 0.00071178 deg
peri 235.2142018426505 0.00071211 deg
M 312.008024723919 2.0425e-05 deg
tp 2459477.143914484317
(2021-Sep-19.64391448)
0.00011853 TDB
period 2075.176290232639
5.68
1.9353e-05
5.299e-08
d
yr
n .1734792372553765 1.6179e-09 deg/d
Q 3.579068215519479 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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54451  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 06:57:58  

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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1205914940542523 3.794e-08  
q 2.803297987298035 1.2805e-07 au
tp 2457405.523678191667
(2016-Jan-18.02367819)
0.00011799 TDB
node 240.1399989436306 0.00072742 deg
peri 235.6000096981503 0.00072777 deg
i .3031117311675552 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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54451  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 06:57:58  

Additional Information
 Jupiter MOID = 1.51598 au 
 T_jup = 3.187 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.439411902287386E-15 -4.819263603565101E-15 6.821858035617263E-13 5.779958582656717E-15 1.831601212009612E-13 -5.052713387770813E-17
q -4.819263603565101E-15 1.63973362724714E-14 -1.969862768015557E-12 -3.738707509182321E-15 -5.663757052618476E-13 1.413490312739671E-16
tp 6.821858035617263E-13 -1.969862768015557E-12 1.392112643520088E-8 -1.01955012251296E-11 2.650872956320878E-9 9.955846301093287E-14
node 5.779958582656717E-15 -3.738707509182321E-15 -1.01955012251296E-11 5.291464335317365E-7 -5.291408706649061E-7 -8.099777506356549E-10
peri 1.831601212009612E-13 -5.663757052618476E-13 2.650872956320878E-9 -5.291408706649061E-7 5.296465945840245E-7 8.099738992463908E-10
i -5.052713387770813E-17 1.413490312739671E-16 9.955846301093287E-14 -8.099777506356549E-10 8.099738992463908E-10 1.841938879319665E-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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