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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1362888799955497 4.4698e-08  
a 2.24862440584739 1.7764e-08 au
q 1.942161904043791 1.0303e-07 au
i 4.299777288799247 5.2628e-06 deg
node 336.5211765037922 8.0691e-05 deg
peri 307.076400960759 8.3895e-05 deg
M 261.3098100228389 2.4055e-05 deg
tp 2458938.133313697905
(2020-Mar-29.63331370)
8.3972e-05 TDB
period 1231.611702838695
3.37
1.4594e-05
3.996e-08
d
yr
n .292299918204942 3.4637e-09 deg/d
Q 2.555086907650989 2.0185e-08 au
  Orbit Determination Parameters
   # obs. used (total)      228  
   data-arc span      6261 days (17.14 yr)  
   first obs. used      2002-02-10  
   last obs. used      2019-04-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62424  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:03:40  

Additional Information
 Earth MOID = .928862 au 
 Jupiter MOID = 2.58637 au 
 T_jup = 3.613 
[ 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 17.0   n/a MPO433392  

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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