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305387 (2008 CX44)
Classification: Main-belt Asteroid          SPK-ID: 2305387
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2130053039900552 8.0021e-08  
a 3.169679621538047 2.9601e-08 au
q 2.494521050201253 2.5473e-07 au
i 9.966852347416818 9.6877e-06 deg
node .3221107945576102 4.8169e-05 deg
peri 108.0479691843153 5.3689e-05 deg
M 100.1824797724643 2.0269e-05 deg
tp 2458426.897870432417
(2018-Nov-04.39787043)
0.00011456 TDB
period 2061.206381727903
5.64
2.8874e-05
7.905e-08
d
yr
n .1746549997085751 2.4466e-09 deg/d
Q 3.844838192874842 3.5906e-08 au
  Orbit Determination Parameters
   # obs. used (total)      169  
   data-arc span      6763 days (18.52 yr)  
   first obs. used      2000-09-25  
   last obs. used      2019-04-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5106  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 17:54:04  

Additional Information
 Earth MOID = 1.53291 au 
 Jupiter MOID = 1.40803 au 
 T_jup = 3.144 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456828.5 (2014-Jun-20.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2146538927908054 7.9989e-08  
q 2.488168063528717 2.5511e-07 au
tp 2456365.316285443706
(2013-Mar-13.81628544)
0.000113 TDB
node .3552172979667284 4.8176e-05 deg
peri 107.9945708577044 5.3594e-05 deg
i 9.969505531527338 9.6889e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      169  
   data-arc span      6763 days (18.52 yr)  
   first obs. used      2000-09-25  
   last obs. used      2019-04-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5106  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 17:54:04  

Additional Information
 Jupiter MOID = 1.40803 au 
 T_jup = 3.144 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.398279137614341E-15 -2.032009556817983E-14 4.000395550742707E-12 -1.128375548134745E-14 8.265383577077854E-13 -2.792943256395524E-14
q -2.032009556817983E-14 6.507937064842329E-14 -1.298997497660851E-11 4.133987084727189E-14 -2.653609031270052E-12 8.839461110209714E-14
tp 4.000395550742707E-12 -1.298997497660851E-11 1.276965051138813E-8 -3.600648221113256E-11 2.738368301635555E-9 -2.118847032455093E-11
node -1.128375548134745E-14 4.133987084727189E-14 -3.600648221113256E-11 2.320915840187774E-9 -2.29184398544586E-9 -1.957821437935039E-10
peri 8.265383577077854E-13 -2.653609031270052E-12 2.738368301635555E-9 -2.29184398544586E-9 2.872270746439369E-9 1.8851625960458E-10
i -2.792943256395524E-14 8.839461110209714E-14 -2.118847032455093E-11 -1.957821437935039E-10 1.8851625960458E-10 9.387515718296075E-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 16.4   n/a MPO423161  

305387 (2008 CX44)          Discovered 2008-Feb-02 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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