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74443 (1999 CY11)
Classification: Inner Main-belt Asteroid          SPK-ID: 2074443
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08792811526345898 4.5339e-08  
a 1.913313281437497 6.5049e-09 au
q 1.745079250692154 8.8459e-08 au
i 19.61221672729067 5.0157e-06 deg
node 319.5469765470309 1.2195e-05 deg
peri 144.761105997902 4.5733e-05 deg
M 54.49488767766795 3.8094e-05 deg
tp 2458854.170861008858
(2020-Jan-05.67086101)
0.00010265 TDB
period 966.668476287159
2.65
4.9297e-06
1.35e-08
d
yr
n .3724130959382379 1.8992e-09 deg/d
Q 2.081547312182841 7.0768e-09 au
  Orbit Determination Parameters
   # obs. used (total)      770  
   data-arc span      10667 days (29.20 yr)  
   first obs. used      1991-02-11  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50936  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 14:05:10  

Additional Information
 Earth MOID = .777185 au 
 Jupiter MOID = 2.99763 au 
 T_jup = 3.858 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457612.5 (2016-Aug-12.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08768609538506165 4.5307e-08  
q 1.745709157417622 8.8374e-08 au
tp 2457887.458140774905
(2017-May-13.95814078)
0.00010563 TDB
node 319.5839376088355 1.2196e-05 deg
peri 144.7310475953746 4.5913e-05 deg
i 19.61122002397331 5.0154e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      770  
   data-arc span      10667 days (29.20 yr)  
   first obs. used      1991-02-11  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50936  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 14:05:10  

Additional Information
 Jupiter MOID = 2.99763 au 
 T_jup = 3.858 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.052764786501874E-15 -3.995573653309672E-15 1.538917390171822E-12 -3.189628317422244E-14 6.828063859355216E-13 -2.195122201245803E-14
q -3.995573653309672E-15 7.809901953994906E-15 -3.265672435731054E-12 6.232012829082849E-14 -1.44372941101721E-12 4.220211406406771E-14
tp 1.538917390171822E-12 -3.265672435731054E-12 1.115854065869925E-8 -2.319489648863111E-11 4.685516449101829E-9 -3.016910383010183E-13
node -3.189628317422244E-14 6.232012829082849E-14 -2.319489648863111E-11 1.487305272612962E-10 -1.487066925452409E-10 -5.402168119455583E-12
peri 6.828063859355216E-13 -1.44372941101721E-12 4.685516449101829E-9 -1.487066925452409E-10 2.108017776278596E-9 5.044533585530084E-12
i -2.195122201245803E-14 4.220211406406771E-14 -3.016910383010183E-13 -5.402168119455583E-12 5.044533585530084E-12 2.515377065684498E-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 16.0   n/a MPO337818  

74443 (1999 CY11)          Discovered 1999-Feb-12 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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