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382174 (2012 JJ25)
Classification: Main-belt Asteroid          SPK-ID: 2382174
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06965564439059752 8.6272e-08  
a 2.133353268248153 1.7387e-08 au
q 1.98475317163554 1.8448e-07 au
i 3.919460715229762 1.111e-05 deg
node 196.6003598348704 6.8282e-05 deg
peri 150.809426234366 0.00010368 deg
M 104.6824939753479 7.5776e-05 deg
tp 2458669.548652906191
(2019-Jul-05.04865291)
0.00024043 TDB
period 1138.131892251523
3.12
1.3914e-05
3.809e-08
d
yr
n .3163078044389264 3.867e-09 deg/d
Q 2.281953364860765 1.8598e-08 au
  Orbit Determination Parameters
   # obs. used (total)      344  
   data-arc span      8175 days (22.38 yr)  
   first obs. used      1997-09-08  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51698  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 03:32:48  

Additional Information
 Earth MOID = .97904 au 
 Jupiter MOID = 2.94181 au 
 T_jup = 3.714 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457894.5 (2017-May-21.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07027108139013782 8.6199e-08  
q 1.983020700641137 1.8434e-07 au
tp 2457530.666943760532
(2016-May-22.16694376)
0.00024239 TDB
node 196.6197970968612 6.8251e-05 deg
peri 150.509163734246 0.00010334 deg
i 3.920539418410427 1.1114e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      344  
   data-arc span      8175 days (22.38 yr)  
   first obs. used      1997-09-08  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51698  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 03:32:48  

Additional Information
 Jupiter MOID = 2.94181 au 
 T_jup = 3.714 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.430233912590712E-15 -1.582863563461381E-14 1.783044716392575E-11 -4.939406493247949E-14 5.728883716878841E-12 -9.168089079486032E-15
q -1.582863563461381E-14 3.398020423558884E-14 -3.911790040757064E-11 1.060420785563011E-13 -1.254582400690666E-11 2.008654480208286E-14
tp 1.783044716392575E-11 -3.911790040757064E-11 5.875158141308652E-8 -1.388482217851303E-10 1.882497709714155E-8 -2.791272496458661E-11
node -4.939406493247949E-14 1.060420785563011E-13 -1.388482217851303E-10 4.658211365860207E-9 -4.691081311248066E-9 5.18032555450079E-10
peri 5.728883716878841E-12 -1.254582400690666E-11 1.882497709714155E-8 -4.691081311248066E-9 1.067960681883625E-8 -5.257598175655315E-10
i -9.168089079486032E-15 2.008654480208286E-14 -2.791272496458661E-11 5.18032555450079E-10 -5.257598175655315E-10 1.23523261041698E-10

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.4   n/a MPO440654  

382174 (2012 JJ25)          Discovered 2012-Mar-28 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2013-12-19

Alternate Designations
 2012 JJ25 = 1997 RS4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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