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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 ]

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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2166791093978783 4.2777e-08  
a 2.364134901374749 1.0684e-08 au
q 1.851876256448428 1.0121e-07 au
i 2.773679152376048 4.219e-06 deg
node 145.8108153245705 9.036e-05 deg
peri 190.696399645119 9.088e-05 deg
M 281.0878663212002 1.2777e-05 deg
tp 2459491.536925637724
(2021-Oct-04.03692564)
4.8245e-05 TDB
period 1327.720951711237
3.64
9.0007e-06
2.464e-08
d
yr
n .2711413113847551 1.8381e-09 deg/d
Q 2.876393546301071 1.3e-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 = .84056 au 
 Jupiter MOID = 2.50796 au 
 T_jup = 3.515 
[ show covariance matrix ]

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1983-Feb-04 13:39 00:03 Europ 0.0251952404834785 0.025193950638182 0.0251965306346492 3.39509259888749 3.39509247463601 2445370.068918330 3.33508321487874 251.741179465513 52.8852163608215 81.462996977335 70448.7867204682 T 22 CATAB v2.0f-lin.ifort 2020-Nov-12 21:25:27 2020-Nov-12 21:25
2037-Jul-29 10:59 00:02 Europ 0.0423448059823084 0.0423392691482705 0.042350342926559 3.7976805919816 3.79768052588896 2465268.957921047 1.96693591700108 297.121155098967 58.4868412340195 22.229667329622 45445.3847775069 T 22 CATAB v2.0f-lin.ifort 2020-Nov-12 21:25:27 2020-Nov-12 21:25
2092-Feb-24 19:22 00:07 Europ 0.029126290567582 0.0291171378118196 0.0291354501142621 3.7807286691875 3.7807285726689 2485202.307004596 6.56690466427058 841.109091606459 58.1316869249927 57.3598261115436 63130.0772960724 T 22 CATAB v2.0f-lin.ifort 2020-Nov-12 21:25:27 2020-Nov-12 21:25

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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