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91243 (1999 CO33)
Classification: Main-belt Asteroid          SPK-ID: 2091243
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1588675462210325 5.4425e-08  
a 2.379038730663664 1.284e-08 au
q 2.001086685158328 1.2883e-07 au
i 2.69430332662473 4.2134e-06 deg
node 127.2509358164944 0.00013745 deg
peri 48.70795448674856 0.00013833 deg
M 267.214003765351 1.8252e-05 deg
tp 2459345.946367108770
(2021-May-11.44636711)
6.9734e-05 TDB
period 1340.29591970601
3.67
1.085e-05
2.971e-08
d
yr
n .2685974005493988 2.1744e-09 deg/d
Q 2.756990776169 1.488e-08 au
  Orbit Determination Parameters
   # obs. used (total)      371  
   data-arc span      7573 days (20.73 yr)  
   first obs. used      1999-02-07  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6037  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 08:47:13  

Additional Information
 Earth MOID = 1.00683 au 
 Jupiter MOID = 2.2052 au 
 T_jup = 3.521 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456714.5 (2014-Feb-26.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1585007047210604 5.4592e-08  
q 2.001782221500305 1.2916e-07 au
tp 2456665.616111450312
(2014-Jan-08.11611145)
5.8065e-05 TDB
node 127.2821664284561 0.00013749 deg
peri 48.74834123201436 0.00013837 deg
i 2.693955363666373 4.2133e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      371  
   data-arc span      7573 days (20.73 yr)  
   first obs. used      1999-02-07  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6037  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 08:47:13  

Additional Information
 Jupiter MOID = 2.2052 au 
 T_jup = 3.521 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.980325846428463E-15 -7.026534265475479E-15 1.325107710796865E-12 -3.193936286446743E-14 3.798628410258294E-13 -2.574479954908375E-15
q -7.026534265475479E-15 1.668217031829716E-14 -2.898096319413861E-12 7.606662621588154E-14 -8.383336988969139E-13 6.138667363104174E-15
tp 1.325107710796865E-12 -2.898096319413861E-12 3.371519918000395E-9 -2.253377950056048E-11 9.568487399922107E-10 -2.239267378805965E-12
node -3.193936286446743E-14 7.606662621588154E-14 -2.253377950056048E-11 1.890343353547623E-8 -1.888848983469087E-8 1.538467705628453E-10
peri 3.798628410258294E-13 -8.383336988969139E-13 9.568487399922107E-10 -1.888848983469087E-8 1.914499267043666E-8 -1.54303849379824E-10
i -2.574479954908375E-15 6.138667363104174E-15 -2.239267378805965E-12 1.538467705628453E-10 -1.54303849379824E-10 1.775193517486138E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.5   n/a MPO502690  
diameter diameter 1.342 km 0.093 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.246   0.066 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

91243 (1999 CO33)          Discovered 1999-Feb-10 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

Alternate Designations
 1999 CO33 = 2003 GO1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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