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305730 (2009 CW38)
Classification: Main-belt Asteroid          SPK-ID: 2305730
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1542277047994132 4.8371e-08  
a 2.381005493324308 1.5535e-08 au
q 2.013788480974105 1.1341e-07 au
i 1.579775361050127 5.7532e-06 deg
node 282.3701428293234 0.00017499 deg
peri 190.7065817878214 0.00017587 deg
M 54.73203084086767 1.62e-05 deg
tp 2458796.477490473183
(2019-Nov-08.97749047)
6.0166e-05 TDB
period 1341.958306703494
3.67
1.3134e-05
3.596e-08
d
yr
n .2682646682849157 2.6255e-09 deg/d
Q 2.74822250567451 1.7931e-08 au
  Orbit Determination Parameters
   # obs. used (total)      251  
   data-arc span      6510 days (17.82 yr)  
   first obs. used      2002-04-06  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4392  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 17:57:22  

Additional Information
 Earth MOID = 1.03035 au 
 Jupiter MOID = 2.35113 au 
 T_jup = 3.522 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.2   n/a MPO455252  

305730 (2009 CW38)          Discovered 2009-Feb-13 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

Alternate Designations
 2009 CW38 = 2004 XR129 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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