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26143 (1994 PF5)
Classification: Main-belt Asteroid          SPK-ID: 2026143
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1260647657756925 3.7534e-08  
a 2.330686537342683 6.6365e-09 au
q 2.036869084916018 8.6957e-08 au
i 6.481052623231759 4.1952e-06 deg
node 150.1367215341823 2.8842e-05 deg
peri 162.2047058426676 3.2176e-05 deg
M 158.484840439869 1.4917e-05 deg
tp 2458628.350590028146
(2019-May-24.85059003)
5.3314e-05 TDB
period 1299.643467590935
3.56
5.551e-06
1.52e-08
d
yr
n .2769990454899979 1.1831e-09 deg/d
Q 2.624503989769348 7.4731e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1101  
   data-arc span      11225 days (30.73 yr)  
   first obs. used      1990-05-30  
   last obs. used      2021-02-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5487  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 05:12:56  

Additional Information
 Earth MOID = 1.02205 au 
 Jupiter MOID = 2.62691 au 
 T_jup = 3.552 
[ 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 15.5   n/a MPO502353  

26143 (1994 PF5)          Discovered 1994-Aug-10 by Elst, E. W. at La Silla
Reference: 20010705/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
1917-Dec-11 19:58 < 00:01 Eunom 0.0192077163812408 0.019198519081005 0.0192169158506139 6.30545221017652 6.30545209427159 2421574.331793505 0.452272597298953 560.63468747416 34.362535327273 35.2100348467901 48371.6886239474 T 25 CATAB v2.0f-lin.ifort 2021-Apr-13 05:13:01 2021-Apr-13 05:13

Alternate Designations
 1994 PF5 = 1998 UX30 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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