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344038 (2012 PH4)
Classification: Main-belt Asteroid          SPK-ID: 2344038
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1565526596134695 4.3645e-08  
a 2.529392379188968 2.477e-08 au
q 2.133409275020894 1.0331e-07 au
i 2.553339321238743 5.8627e-06 deg
node 219.5715724330289 0.00019343 deg
peri 212.273433349928 0.00019605 deg
M 166.4460048066292 3.6109e-05 deg
tp 2457921.149952690456
(2017-Jun-16.64995269)
0.00014269 TDB
period 1469.34146791666
4.02
2.1583e-05
5.909e-08
d
yr
n .245007717988409 3.5989e-09 deg/d
Q 2.925375483357042 2.8647e-08 au
  Orbit Determination Parameters
   # obs. used (total)      179  
   data-arc span      6846 days (18.74 yr)  
   first obs. used      2000-10-02  
   last obs. used      2019-07-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66139  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:29:11  

Additional Information
 Earth MOID = 1.1483 au 
 Jupiter MOID = 2.34676 au 
 T_jup = 3.433 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456802.5 (2014-May-25.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1579756569349897 4.3633e-08  
q 2.127636727284753 1.0362e-07 au
tp 2456453.662608753869
(2013-Jun-10.16260875)
0.00013309 TDB
node 219.5961544483464 0.00019342 deg
peri 212.0637892645189 0.00019599 deg
i 2.553871618533838 5.8699e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      179  
   data-arc span      6846 days (18.74 yr)  
   first obs. used      2000-10-02  
   last obs. used      2019-07-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66139  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:29:11  

Additional Information
 Jupiter MOID = 2.34676 au 
 T_jup = 3.433 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.903811075816605E-15 -4.444397863093311E-15 1.1864164630283E-12 -2.101147957724839E-14 3.368458928495876E-13 -1.020344347302265E-17
q -4.444397863093311E-15 1.073611883955212E-14 -2.177948477187675E-12 4.924522376140728E-14 -6.221418524773079E-13 3.481095082349922E-16
tp 1.1864164630283E-12 -2.177948477187675E-12 1.771363616083249E-8 1.542394065973853E-10 4.327346006125642E-9 -2.612893120324958E-12
node -2.101147957724839E-14 4.924522376140728E-14 1.542394065973853E-10 3.741005330536098E-8 -3.73341690377243E-8 -5.859778688509495E-10
peri 3.368458928495876E-13 -6.221418524773079E-13 4.327346006125642E-9 -3.73341690377243E-8 3.841089723364747E-8 5.847967293342284E-10
i -1.020344347302265E-17 3.481095082349922E-16 -2.612893120324958E-12 -5.859778688509495E-10 5.847967293342284E-10 3.445607101070213E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.2   n/a MPO437457  

344038 (2012 PH4)          Discovered 2004-Sep-11 by Spacewatch at Kitt Peak
Reference: 20121029/Numbers.arcLast Updated: 2012-11-08

Alternate Designations
 2012 PH4 = 2004 RA267 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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