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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2133165827406632 8.0114e-08  
a 3.169997925840535 3.0118e-08 au
q 2.493784801005241 2.5567e-07 au
i 9.96683234068076 9.6956e-06 deg
node .3248200919689443 4.8377e-05 deg
peri 108.0440325653477 5.3851e-05 deg
M 30.29268304050304 2.0078e-05 deg
tp 2458427.030896537692
(2018-Nov-04.53089654)
0.0001146 TDB
period 2061.516873990106
5.64
2.938e-05
8.044e-08
d
yr
n .1746286943085812 2.4887e-09 deg/d
Q 3.846211050675828 3.6543e-08 au
  Orbit Determination Parameters
   # obs. used (total)      165  
   data-arc span      6736 days (18.44 yr)  
   first obs. used      2000-09-25  
   last obs. used      2019-03-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51158  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:20:29  

Additional Information
 Earth MOID = 1.53242 au 
 Jupiter MOID = 1.40828 au 
 T_jup = 3.144 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456803.5 (2014-May-26.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .214662725340409 8.0048e-08  
q 2.48810822629588 2.5541e-07 au
tp 2456365.308383837387
(2013-Mar-13.80838384)
0.00011315 TDB
node .355582829196665 4.8381e-05 deg
peri 107.9904045968909 5.3787e-05 deg
i 9.969602911310101 9.6973e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      165  
   data-arc span      6736 days (18.44 yr)  
   first obs. used      2000-09-25  
   last obs. used      2019-03-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51158  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:20:29  

Additional Information
 Jupiter MOID = 1.40828 au 
 T_jup = 3.144 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.407759619839711E-15 -2.035872736849542E-14 3.981505127308855E-12 -1.345607318164201E-14 8.258970433764879E-13 -2.813760588859581E-14
q -2.035872736849542E-14 6.523492492322555E-14 -1.291695895895788E-11 4.816452838000075E-14 -2.649754847731763E-12 8.912482877982676E-14
tp 3.981505127308855E-12 -1.291695895895788E-11 1.28022605314531E-8 -3.829293837080002E-11 2.745261173577158E-9 -2.133319392467478E-11
node -1.345607318164201E-14 4.816452838000075E-14 -3.829293837080002E-11 2.340764138655139E-9 -2.311853671799169E-9 -1.939922775319763E-10
peri 8.258970433764879E-13 -2.649754847731763E-12 2.745261173577158E-9 -2.311853671799169E-9 2.893090029689526E-9 1.867230385187097E-10
i -2.813760588859581E-14 8.912482877982676E-14 -2.133319392467478E-11 -1.939922775319763E-10 1.867230385187097E-10 9.403688999005101E-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

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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