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442921 (2013 CY44)
Classification: Main-belt Asteroid          SPK-ID: 2442921
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1207509344846633 5.4712e-08  
a 2.60252892327183 3.219e-08 au
q 2.288271123763392 1.4746e-07 au
i 4.333744429516626 1.1769e-05 deg
node 92.83919246125946 0.00016414 deg
peri 321.6913608226615 0.00018646 deg
M 343.732693398576 9.2e-05 deg
tp 2459069.795482875567
(2020-Aug-08.29548288)
0.0003927 TDB
period 1533.528226056815
4.20
2.8452e-05
7.79e-08
d
yr
n .2347527706912012 4.3554e-09 deg/d
Q 2.916786722780269 3.6077e-08 au
  Orbit Determination Parameters
   # obs. used (total)      71  
   data-arc span      8616 days (23.59 yr)  
   first obs. used      1996-01-25  
   last obs. used      2019-08-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63926  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:44:07  

Additional Information
 Earth MOID = 1.30179 au 
 Jupiter MOID = 2.40174 au 
 T_jup = 3.399 
[ 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 17.7   n/a MPO495194  

442921 (2013 CY44)          Discovered 2007-Oct-15 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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