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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08163370823542458 3.4101e-08  
a 1.920365594301864 6.8271e-09 au
q 1.763599029671278 6.7125e-08 au
i 23.28539257633727 4.6883e-06 deg
node 140.1894248402591 1.0061e-05 deg
peri 289.5381917221778 3.2795e-05 deg
M 281.0033762678146 2.9709e-05 deg
tp 2458813.794831060904
(2019-Nov-26.29483106)
8.0193e-05 TDB
period 972.0179870249403
2.66
5.1834e-06
1.419e-08
d
yr
n .3703635167306457 1.975e-09 deg/d
Q 2.07713215893245 7.3844e-09 au
  Orbit Determination Parameters
   # obs. used (total)      665  
   data-arc span      7631 days (20.89 yr)  
   first obs. used      1999-01-15  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6049  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 07:25:52  

Additional Information
 Earth MOID = .849018 au 
 Jupiter MOID = 3.08158 au 
 T_jup = 3.822 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457278.5 (2015-Sep-13.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08172406179784024 3.4084e-08  
q 1.763375261274835 6.7089e-08 au
tp 2456869.103872528410
(2014-Jul-30.60387253)
8.0937e-05 TDB
node 140.2227732107218 1.006e-05 deg
peri 289.3186852783197 3.2775e-05 deg
i 23.2857052020472 4.6888e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      665  
   data-arc span      7631 days (20.89 yr)  
   first obs. used      1999-01-15  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6049  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 07:25:52  

Additional Information
 Jupiter MOID = 3.08158 au 
 T_jup = 3.822 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.16174523695584E-15 -2.2771461606896E-15 -8.55549792317513E-14 -7.694744023086599E-15 -3.717913792939128E-14 -1.354135617378372E-14
q -2.2771461606896E-15 4.50091979572717E-15 9.199528959879038E-14 1.512797379991668E-14 4.791183831806418E-14 2.627192232303365E-14
tp -8.55549792317513E-14 9.199528959879038E-14 6.55079102018625E-9 -5.448045099926666E-12 2.535060531057482E-9 -1.511491125799351E-11
node -7.694744023086599E-15 1.512797379991668E-14 -5.448045099926666E-12 1.012019691474853E-10 -9.400282608273829E-11 6.469429619761276E-12
peri -3.717913792939128E-14 4.791183831806418E-14 2.535060531057482E-9 -9.400282608273829E-11 1.074212695917439E-9 -1.137812474508934E-11
i -1.354135617378372E-14 2.627192232303365E-14 -1.511491125799351E-11 6.469429619761276E-12 -1.137812474508934E-11 2.198450624678244E-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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