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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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08778747919804657 5.7147e-08  
a 2.995635513660975 3.571e-08 AU
q 2.732656223320532 1.5813e-07 AU
i 10.71240111575018 7.8369e-06 deg
node 146.35944898349 3.0811e-05 deg
peri 287.2565133708139 5.7274e-05 deg
M 124.7571533921512 5.0192e-05 deg
tp 2456344.211432767449
(2013-Feb-20.71143277)
0.00026079 JED
period 1893.790277989643
5.18
3.3863e-05
9.271e-08
d
yr
n .1900949667891202 3.3991e-09 deg/d
Q 3.258614804001417 3.8845e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      823  
   data-arc span      6364 days (17.42 yr)  
   first obs. used      1997-12-22  
   last obs. used      2015-05-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54809  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 17:43:59  

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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