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48835 (1997 YK18)
Classification: Main-belt Asteroid          SPK-ID: 2048835
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08778747850057905 5.7144e-08  
a 2.995635510243448 3.5299e-08 AU
q 2.73265622229238 1.5809e-07 AU
i 10.71240407999643 7.3454e-06 deg
node 146.359450937867 3.0756e-05 deg
peri 287.256519306961 5.5633e-05 deg
M 124.7571466542751 4.8827e-05 deg
tp 2456344.211469335314
(2013-Feb-20.71146934)
0.00025308 JED
period 1893.790274748888
5.18
3.3474e-05
9.165e-08
d
yr
n .1900949671144209 3.36e-09 deg/d
Q 3.258614798194515 3.8398e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      844  
   data-arc span      6388 days (17.49 yr)  
   first obs. used      1997-12-22  
   last obs. used      2015-06-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54471  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 13:16:53  

Additional Information
 Earth MOID = 1.77144 AU 
 T_jup = 3.222 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.7 mag n/a MPO299292  

48835 (1997 YK18)          Discovered 1997-Dec-22 by BAO Schmidt CCD Asteroid Program at Xinglong
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 YK18 = 1999 GJ44 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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