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392722 (2012 PM)
Classification: Inner Main-belt Asteroid          SPK-ID: 2392722
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 .05331307333438192 6.9627e-08  
a 1.89613460829316 1.7901e-08 au
q 1.795045844869367 1.3367e-07 au
i 23.15201972151979 8.6886e-06 deg
node 158.1178457298886 1.3195e-05 deg
peri 32.00799766306571 5.9143e-05 deg
M 118.2407844644912 5.8481e-05 deg
tp 2458687.267385088541
(2019-Jul-22.76738509)
0.00015401 TDB
period 953.6789008871074
2.61
1.3505e-05
3.697e-08
d
yr
n .3774855453603197 5.3457e-09 deg/d
Q 1.997223371716952 1.8856e-08 au
  Orbit Determination Parameters
   # obs. used (total)      96  
   data-arc span      5971 days (16.35 yr)  
   first obs. used      2001-03-20  
   last obs. used      2017-07-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66141  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:44:26  

Additional Information
 Earth MOID = .813906 au 
 Jupiter MOID = 2.98722 au 
 T_jup = 3.853 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456833.5 (2014-Jun-25.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05307323649933442 6.9694e-08  
q 1.795236435094356 1.3369e-07 au
tp 2456779.553216058827
(2014-May-02.05321606)
0.00015158 TDB
node 158.1507764409676 1.3196e-05 deg
peri 31.7748271343115 5.9322e-05 deg
i 23.15171057048861 8.6889e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      96  
   data-arc span      5971 days (16.35 yr)  
   first obs. used      2001-03-20  
   last obs. used      2017-07-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66141  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:44:26  

Additional Information
 Jupiter MOID = 2.98722 au 
 T_jup = 3.853 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.857250594887539E-15 -9.243446278834691E-15 -4.044104258638168E-12 -1.637133972889782E-14 -1.54674065807256E-12 4.029282809357235E-14
q -9.243446278834691E-15 1.78737272580407E-14 7.713626828919872E-12 3.369962207693108E-14 2.938069534632224E-12 -7.190532540202007E-14
tp -4.044104258638168E-12 7.713626828919872E-12 2.297575836781246E-8 -3.371119505832366E-11 8.775184710881674E-9 -5.559335582710545E-11
node -1.637133972889782E-14 3.369962207693108E-14 -3.371119505832366E-11 1.741270014246191E-10 -1.726133414274686E-10 5.035059159807504E-12
peri -1.54674065807256E-12 2.938069534632224E-12 8.775184710881674E-9 -1.726133414274686E-10 3.519043221137387E-9 -2.656688993856367E-11
i 4.029282809357235E-14 -7.190532540202007E-14 -5.559335582710545E-11 5.035059159807504E-12 -2.656688993856367E-11 7.549684763314359E-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 17.8   n/a MPO419000  

392722 (2012 PM)          Discovered 2007-Sep-14 by CSS at Catalina
Reference: Last Updated: 2014-04-17

Alternate Designations
 2012 PM = 2007 RW243 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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