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JPL Small-Body Database Browser
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442998 (2013 CR181)
Classification: Main-belt Asteroid          SPK-ID: 2442998
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .222683637883577 2.4296e-07  
a 2.522271462833015 2.6639e-08 au
q 1.960602877759428 6.2734e-07 au
i 5.365081567021683 3.6709e-05 deg
node 330.0386916316357 7.5322e-05 deg
peri 92.41363968136486 0.00034644 deg
M 353.365877507506 0.00031241 deg
tp 2459027.462934182886
(2020-Jun-26.96293418)
0.0012695 TDB
period 1463.140952977778
4.01
2.318e-05
6.346e-08
d
yr
n .2460460144098417 3.898e-09 deg/d
Q 3.083940047906603 3.2572e-08 au
  Orbit Determination Parameters
   # obs. used (total)      144  
   data-arc span      8230 days (22.53 yr)  
   first obs. used      1997-02-07  
   last obs. used      2019-08-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61536  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:44:14  

Additional Information
 Earth MOID = .982378 au 
 Jupiter MOID = 2.2803 au 
 T_jup = 3.415 
[ 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 17.3   n/a MPO477093  

442998 (2013 CR181)          Discovered 1997-Feb-07 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

Alternate Designations
 2013 CR181 = 1997 CF21 = 2005 ED59 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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