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JPL Small-Body Database Browser
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212918 (2007 YL4)
Classification: Main-belt Asteroid          SPK-ID: 2212918
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 .136491702646312 4.4589e-08  
a 2.249279808934767 1.7891e-08 au
q 1.942271778085289 1.0301e-07 au
i 4.300169972904349 5.263e-06 deg
node 336.5007094796939 8.0245e-05 deg
peri 306.9349170673971 8.3439e-05 deg
M 18.349607009656 2.4583e-05 deg
tp 2458937.695910951940
(2020-Mar-29.19591095)
8.38e-05 TDB
period 1232.150206018254
3.37
1.4701e-05
4.025e-08
d
yr
n .2921721704396376 3.4859e-09 deg/d
Q 2.556287839784244 2.0333e-08 au
  Orbit Determination Parameters
   # obs. used (total)      232  
   data-arc span      6287 days (17.21 yr)  
   first obs. used      2002-02-10  
   last obs. used      2019-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61101  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 02:51:56  

Additional Information
 Earth MOID = .929589 au 
 Jupiter MOID = 2.58548 au 
 T_jup = 3.612 
[ 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 17.1   n/a MPO470284  

212918 (2007 YL4)          Discovered 2007-Dec-16 by Spacewatch at Kitt Peak
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

Alternate Designations
 2007 YL4 = 2002 CA184 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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