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JPL Small-Body Database Browser
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305270 (2007 YK44)
Classification: Main-belt Asteroid          SPK-ID: 2305270
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1858595070889888 7.9527e-08  
a 2.788718549598247 4.4042e-08 au
q 2.270408694559997 2.309e-07 au
i 3.670585319545783 1.395e-05 deg
node 328.9448136233302 0.00013277 deg
peri 89.48526766448185 0.0001396 deg
M 283.8805973194836 5.2271e-05 deg
tp 2459360.165122971719
(2021-May-25.66512297)
0.00025282 TDB
period 1701.004470742655
4.66
4.0296e-05
1.103e-07
d
yr
n .2116396553871635 5.0137e-09 deg/d
Q 3.307028404636497 5.2228e-08 au
  Orbit Determination Parameters
   # obs. used (total)      66  
   data-arc span      7040 days (19.27 yr)  
   first obs. used      1997-09-29  
   last obs. used      2017-01-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62558  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-10 13:25:16  

Additional Information
 Earth MOID = 1.2863 au 
 Jupiter MOID = 2.05686 au 
 T_jup = 3.302 
[ 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 17.3   n/a MPO348862  

305270 (2007 YK44)          Discovered 2007-Dec-30 by Spacewatch at Kitt Peak
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Alternate Designations
 2007 YK44 = 1997 SQ22 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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