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305734 (2009 CY44)
Classification: Main-belt Asteroid          SPK-ID: 2305734
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1271669464504366 4.5752e-08  
a 2.407834199612226 1.9154e-08 au
q 2.101637276888608 1.1318e-07 au
i 8.736474584826915 4.8252e-06 deg
node 156.147148399347 3.6377e-05 deg
peri 299.5584805761533 4.1875e-05 deg
M 50.28754803071769 2.1128e-05 deg
tp 2458809.867802384861
(2019-Nov-22.36780238)
7.9507e-05 TDB
period 1364.703466940352
3.74
1.6284e-05
4.458e-08
d
yr
n .2637935703403138 3.1476e-09 deg/d
Q 2.714031122335844 2.1589e-08 au
  Orbit Determination Parameters
   # obs. used (total)      236  
   data-arc span      5096 days (13.95 yr)  
   first obs. used      2006-05-09  
   last obs. used      2020-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61686  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 20:01:00  

Additional Information
 Earth MOID = 1.13383 au 
 Jupiter MOID = 2.44545 au 
 T_jup = 3.495 
[ show covariance matrix ]

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 17.0   n/a MPO455252  

305734 (2009 CY44)          Discovered 2009-Feb-14 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Alternate Designations
 2009 CY44 = 2007 TC293 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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