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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06952754195204895 8.6441e-08  
a 2.133019090404918 1.7661e-08 au
q 1.984715516112269 1.8464e-07 au
i 3.919791595203008 1.1337e-05 deg
node 196.6046409691277 6.9119e-05 deg
peri 150.6655953106838 0.00010519 deg
M 338.2809166278659 7.7299e-05 deg
tp 2458669.148259727015
(2019-Jul-04.64825973)
0.00024416 TDB
period 1137.864479742868
3.12
1.4132e-05
3.869e-08
d
yr
n .3163821407636805 3.9295e-09 deg/d
Q 2.281322664697568 1.8889e-08 au
  Orbit Determination Parameters
   # obs. used (total)      321  
   data-arc span      8085 days (22.14 yr)  
   first obs. used      1997-09-08  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52723  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 12:37:53  

Additional Information
 Earth MOID = .978061 au 
 Jupiter MOID = 2.9421 au 
 T_jup = 3.714 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457771.5 (2017-Jan-18.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07026677668521981 8.6642e-08  
q 1.983243224498657 1.8526e-07 au
tp 2457530.896432940956
(2016-May-22.39643294)
0.00024459 TDB
node 196.6187475209209 6.9093e-05 deg
peri 150.5964854193035 0.00010456 deg
i 3.920506378734489 1.134e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      321  
   data-arc span      8085 days (22.14 yr)  
   first obs. used      1997-09-08  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52723  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 12:37:53  

Additional Information
 Jupiter MOID = 2.9421 au 
 T_jup = 3.714 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.506894321924551E-15 -1.598869502900202E-14 1.805306424018988E-11 -7.325318913538609E-14 5.820347461619717E-12 -3.975175361409997E-15
q -1.598869502900202E-14 3.432290384454966E-14 -3.951984327423986E-11 1.575950101467125E-13 -1.272041347278336E-11 8.735932180721156E-15
tp 1.805306424018988E-11 -3.951984327423986E-11 5.982594476292774E-8 -2.069577782451004E-10 1.921087183001161E-8 -1.343893888517302E-11
node -7.325318913538609E-14 1.575950101467125E-13 -2.069577782451004E-10 4.773833965679503E-9 -4.82802978915724E-9 5.084162547156501E-10
peri 5.820347461619717E-12 -1.272041347278336E-11 1.921087183001161E-8 -4.82802978915724E-9 1.093182548519847E-8 -5.115475516059481E-10
i -3.975175361409997E-15 8.735932180721156E-15 -1.343893888517302E-11 5.084162547156501E-10 -5.115475516059481E-10 1.285999254305586E-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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