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52426 (1994 PF)
Classification: Main-belt Asteroid          SPK-ID: 2052426
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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1478734294332149 4.1386e-08  
a 2.233937750749485 9.3362e-09 au
q 1.903597714405836 9.5561e-08 au
i 4.183637709052995 4.2307e-06 deg
node 246.345212735052 6.4562e-05 deg
peri 12.73258549411454 6.664e-05 deg
M 314.2180620939847 1.6533e-05 deg
tp 2459155.594607816824
(2020-Nov-02.09460782)
5.6144e-05 TDB
period 1219.565212129663
3.34
7.6453e-06
2.093e-08
d
yr
n .2951871670489444 1.8505e-09 deg/d
Q 2.564277787093134 1.0717e-08 au
  Orbit Determination Parameters
   # obs. used (total)      498  
   data-arc span      9423 days (25.80 yr)  
   first obs. used      1994-08-05  
   last obs. used      2020-05-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58012  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:17:49  

Additional Information
 Earth MOID = .888666 au 
 Jupiter MOID = 2.48804 au 
 T_jup = 3.622 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457249.5 (2015-Aug-15.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1482844860147339 4.1317e-08  
q 1.902555885414658 9.5439e-08 au
tp 2456715.906436265979
(2014-Feb-27.40643627)
5.5806e-05 TDB
node 246.3943379980788 6.4594e-05 deg
peri 12.62349241536285 6.6666e-05 deg
i 4.182589879456071 4.23e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      498  
   data-arc span      9423 days (25.80 yr)  
   first obs. used      1994-08-05  
   last obs. used      2020-05-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58012  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 23:17:49  

Additional Information
 Jupiter MOID = 2.48804 au 
 T_jup = 3.622 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.707072160950318E-15 -3.931259403820934E-15 -4.487379906057618E-14 1.97111782975175E-15 2.590226225715605E-14 -3.878797469277014E-16
q -3.931259403820934E-15 9.108631750140522E-15 4.430522081466945E-14 -4.843493429281737E-15 -7.134337421245514E-14 1.007029591709355E-15
tp -4.487379906057618E-14 4.430522081466945E-14 3.114337937627332E-9 1.058402413037161E-12 9.378797236035814E-10 2.648664145623025E-12
node 1.97111782975175E-15 -4.843493429281737E-15 1.058402413037161E-12 4.17237646024272E-9 -4.160681942604051E-9 -2.661166295865822E-11
peri 2.590226225715605E-14 -7.134337421245514E-14 9.378797236035814E-10 -4.160681942604051E-9 4.44432844154341E-9 2.735855121418947E-11
i -3.878797469277014E-16 1.007029591709355E-15 2.648664145623025E-12 -2.661166295865822E-11 2.735855121418947E-11 1.78926899836575E-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 16.5   n/a MPO417181  
diameter diameter 1.437 km 0.381 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.236   0.128 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

52426 (1994 PF)          Discovered 1994-Aug-05 by Boattini, A., Tombelli, M. at San Marcello
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

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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
2023-Jan-17 01:59 < 00:01 Hebe 0.0244336662540234 0.024432099733963 0.0244352328502966 8.01187171792022 8.01187168616356 2459961.582313409 0.306167915164525 116.681392941083 48.3959349426522 -54.7303050340526 64250.3856294821 T 19 CATAB v2.0f-lin.ifort 2020-Nov-12 23:17:51 2020-Nov-12 23:17
2103-Jun-04 16:42 < 00:01 Iris 0.038976022719491 0.0389750445927243 0.0389770008554811 7.20889127658589 7.20889125612583 2489319.195881649 0.711993474830128 871.28453891665 48.7385570340099 89.8905228566839 119610.719708424 T 19 CATAB v2.0f-lin.ifort 2020-Nov-12 23:17:51 2020-Nov-12 23:17

Alternate Designations
 1994 PF = 2001 TN89 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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