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78812 (2003 PC1)
Classification: Main-belt Asteroid          SPK-ID: 2078812
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2165573684360753 4.2766e-08  
a 2.36428649751018 1.0745e-08 au
q 1.852282835380429 1.0115e-07 au
i 2.773610639770731 4.2188e-06 deg
node 145.8096598401884 9.0358e-05 deg
peri 190.6879220834158 9.0879e-05 deg
M 226.86136461297 1.2578e-05 deg
tp 2459491.577662955944
(2021-Oct-04.07766296)		 4.8265e-05 TDB
period 1327.848660535108
3.64		 9.052e-06
2.478e-08		 d
yr
n .2711152337608445 1.8482e-09 deg/d
Q 2.87629015963993 1.3072e-08 au
   Orbit Determination Parameters
   # obs. used (total)      606  
   data-arc span      9152 days (25.06 yr)  
   first obs. used      1995-04-26  
   last obs. used      2020-05-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56426  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:25:26  

Additional Information
 Earth MOID = .84285 au 
 Jupiter MOID = 2.50773 au 
 T_jup = 3.515 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457030.5 (2015-Jan-08.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2170190269002734 4.2776e-08  
q 1.85107809105206 1.0121e-07 au
tp 2456832.996603884838
(2014-Jun-24.49660388)		 4.0091e-05 TDB
node 145.8372059550791 9.032e-05 deg
peri 190.2255633912018 9.0834e-05 deg
i 2.773125723171413 4.2193e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      606  
   data-arc span      9152 days (25.06 yr)  
   first obs. used      1995-04-26  
   last obs. used      2020-05-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56426  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:25:26  

Additional Information
 Jupiter MOID = 2.50773 au 
 T_jup = 3.515 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.829795223068724E-15 -4.314435144367199E-15 9.118173182070233E-13 3.444197608818784E-15 2.150519403866561E-13 -9.503558566195463E-16
q -4.314435144367199E-15 1.024358574935852E-14 -2.068404711507547E-12 -7.42238349455797E-15 -4.874383117021942E-13 2.343464298132374E-15
tp 9.118173182070233E-13 -2.068404711507547E-12 1.607326083812621E-9 6.376283922945758E-12 4.094652511460745E-10 -5.634436283880464E-13
node 3.444197608818784E-15 -7.42238349455797E-15 6.376283922945758E-12 8.1576626271178E-9 -8.146227103086712E-9 1.562888571909013E-10
peri 2.150519403866561E-13 -4.874383117021942E-13 4.094652511460745E-10 -8.146227103086712E-9 8.250854373246625E-9 -1.562546750124149E-10
i -9.503558566195463E-16 2.343464298132374E-15 -5.634436283880464E-13 1.562888571909013E-10 -1.562546750124149E-10 1.780279462840403E-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 16.21   n/a E2021B10  

78812 (2003 PC1)          Discovered 2003-Aug-01 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2003 PC1 = 1995 HA3 = 1998 FJ9 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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