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379934 (2012 LN4)
Classification: Main-belt Asteroid          SPK-ID: 2379934
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2199256166880346 5.9035e-08  
a 2.744302025331349 3.7859e-08 au
q 2.14075971003213 1.5979e-07 au
i 8.144333140481985 5.9239e-06 deg
node 222.3102852713224 5.6487e-05 deg
peri 63.10794410505337 5.8462e-05 deg
M 244.7581969821384 1.7148e-05 deg
tp 2459532.061881197413
(2021-Nov-13.56188120)
8.4233e-05 TDB
period 1660.528317154226
4.55
3.4361e-05
9.408e-08
d
yr
n .2167984708727879 4.4862e-09 deg/d
Q 3.347844340630568 4.6185e-08 au
  Orbit Determination Parameters
   # obs. used (total)      167  
   data-arc span      6556 days (17.95 yr)  
   first obs. used      2002-03-05  
   last obs. used      2020-02-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56683  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:00:43  

Additional Information
 Earth MOID = 1.13935 au 
 Jupiter MOID = 1.86257 au 
 T_jup = 3.299 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457587.5 (2016-Jul-18.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2196307049507108 5.8986e-08  
q 2.142286795375079 1.5939e-07 au
tp 2457870.057031595887
(2017-Apr-26.55703160)
7.2851e-05 TDB
node 222.3309825987596 5.6482e-05 deg
peri 62.84324800469289 5.8468e-05 deg
i 8.143345034530579 5.9245e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      167  
   data-arc span      6556 days (17.95 yr)  
   first obs. used      2002-03-05  
   last obs. used      2020-02-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56683  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:00:43  

Additional Information
 Jupiter MOID = 1.86257 au 
 T_jup = 3.299 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.479338303496681E-15 -9.244368436052721E-15 1.906886108485469E-12 1.344776536548018E-14 4.042160717816472E-13 -5.861165695278782E-15
q -9.244368436052721E-15 2.540671705855975E-14 -4.932368604791144E-12 -2.240211216018952E-14 -1.098245019479982E-12 1.613719902619847E-14
tp 1.906886108485469E-12 -4.932368604791144E-12 5.307339325067787E-9 2.062453190593443E-11 1.194276487732102E-9 -5.965594275562557E-12
node 1.344776536548018E-14 -2.240211216018952E-14 2.062453190593443E-11 3.190225367532881E-9 -3.153512406222308E-9 -1.04627870413034E-10
peri 4.042160717816472E-13 -1.098245019479982E-12 1.194276487732102E-9 -3.153512406222308E-9 3.418473528864532E-9 1.022045046493015E-10
i -5.861165695278782E-15 1.613719902619847E-14 -5.965594275562557E-12 -1.04627870413034E-10 1.022045046493015E-10 3.509971809711098E-11

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 16.6   n/a MPO423399  

379934 (2012 LN4)          Discovered 2004-Oct-06 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-11-20

[ show close-approach data ]
Alternate Designations
 2012 LN4 = 2004 TY158 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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