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JPL Small-Body Database Browser
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27943 (1997 LB12)
Classification: Main-belt Asteroid          SPK-ID: 2027943
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07628991293744368 3.8643e-08  
a 2.322921435016334 9.1004e-09 au
q 2.145705960978416 8.9754e-08 au
i 2.820865369445945 5.578e-06 deg
node 149.7808280855615 0.00011153 deg
peri 154.8666204692692 0.0001197 deg
M 10.53453728624845 4.342e-05 deg
tp 2458562.658950484486
(2019-Mar-20.15895048)
0.00015598 TDB
period 1293.153885683045
3.54
7.5992e-06
2.081e-08
d
yr
n .2783891414515202 1.6359e-09 deg/d
Q 2.500136909054252 9.7947e-09 au
  Orbit Determination Parameters
   # obs. used (total)      710  
   data-arc span      9241 days (25.30 yr)  
   first obs. used      1994-08-10  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59766  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 01:09:47  

Additional Information
 Earth MOID = 1.13019 au 
 Jupiter MOID = 2.64151 au 
 T_jup = 3.571 
[ 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 16.0   n/a MPO253549  

27943 (1997 LB12)          Discovered 1997-Jun-07 by Elst, E. W. at La Silla
Reference: 20010902/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 LB12 = 1994 PL38 = 2000 ET188 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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