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JPL Small-Body Database Browser
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183898 (2004 CU81)
Classification: Main-belt Asteroid          SPK-ID: 2183898
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1440393826309972 5.4586e-08  
a 2.591788141237145 1.849e-08 au
q 2.218468577463007 1.4715e-07 au
i 3.466600379559595 5.3534e-06 deg
node 127.4164665580321 0.00011139 deg
peri 345.0940485121973 0.00011372 deg
M 256.0753627864604 2.4834e-05 deg
tp 2459040.460503956378
(2020-Jul-09.96050396)
0.00010721 TDB
period 1524.044592995329
4.17
1.6309e-05
4.465e-08
d
yr
n .2362135607150855 2.5278e-09 deg/d
Q 2.965107705011283 2.1154e-08 au
  Orbit Determination Parameters
   # obs. used (total)      195  
   data-arc span      9125 days (24.98 yr)  
   first obs. used      1994-10-29  
   last obs. used      2019-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61706  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 20:43:39  

Additional Information
 Earth MOID = 1.23548 au 
 Jupiter MOID = 2.13553 au 
 T_jup = 3.402 
[ 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 16.9   n/a MPO417993  

183898 (2004 CU81)          Discovered 2004-Feb-12 by Spacewatch at Kitt Peak
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

Alternate Designations
 2004 CU81 = 1996 HY6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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