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74441 (1999 CL7)
Classification: Inner Main-belt Asteroid          SPK-ID: 2074441
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08174923237374723 3.3641e-08  
a 1.920529917672428 6.3323e-09 au
q 1.763528071151891 6.5878e-08 au
i 23.28618674001296 4.0331e-06 deg
node 140.1853343167417 9.2902e-06 deg
peri 289.4583300012662 3.0228e-05 deg
M 69.21225982202709 2.6308e-05 deg
tp 2458813.599453645827
(2019-Nov-26.09945365)
7.1244e-05 TDB
period 972.1427513061611
2.66
4.8079e-06
1.316e-08
d
yr
n .3703159844748188 1.8315e-09 deg/d
Q 2.077531764192964 6.8499e-09 au
  Orbit Determination Parameters
   # obs. used (total)      790  
   data-arc span      7707 days (21.10 yr)  
   first obs. used      1999-01-15  
   last obs. used      2020-02-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57665  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:43:41  

Additional Information
 Earth MOID = .848857 au 
 Jupiter MOID = 3.08013 au 
 T_jup = 3.822 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457563.5 (2016-Jun-24.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08162278391204102 3.3618e-08  
q 1.763772586053963 6.5814e-08 au
tp 2457840.983274125250
(2017-Mar-28.48327413)
7.2656e-05 TDB
node 140.2226054765878 9.2907e-06 deg
peri 289.2603816976901 3.0292e-05 deg
i 23.28522110221757 4.0329e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      790  
   data-arc span      7707 days (21.10 yr)  
   first obs. used      1999-01-15  
   last obs. used      2020-02-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57665  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:43:41  

Additional Information
 Jupiter MOID = 3.08013 au 
 T_jup = 3.822 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.130200480703204E-15 -2.204201079304769E-15 5.435906219200542E-14 -9.312740190228568E-15 2.545326058151941E-14 -1.566893266758951E-14
q -2.204201079304769E-15 4.331462913929791E-15 -2.248863835865271E-13 1.890214489307058E-14 -1.006518900195546E-13 3.08844365658633E-14
tp 5.435906219200542E-14 -2.248863835865271E-13 5.278874437304473E-9 2.036447970337924E-12 2.102930969389605E-9 -9.667846557048443E-12
node -9.312740190228568E-15 1.890214489307058E-14 2.036447970337924E-12 8.631621740189665E-11 -7.808124335405994E-11 -2.360890945394641E-12
peri 2.545326058151941E-14 -1.006518900195546E-13 2.102930969389605E-9 -7.808124335405994E-11 9.176037569578948E-10 -1.618012334507553E-12
i -1.566893266758951E-14 3.08844365658633E-14 -9.667846557048443E-12 -2.360890945394641E-12 -1.618012334507553E-12 1.626468275164621E-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 16.3   n/a MPO436303  

74441 (1999 CL7)          Discovered 1999-Feb-10 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 CL7 = 2000 QO25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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