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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1478734306421602 4.17e-08  
a 2.23393775099571 9.3895e-09 au
q 1.903597711914942 9.6141e-08 au
i 4.183638178928552 4.291e-06 deg
node 246.345218691038 6.5238e-05 deg
peri 12.73257961461201 6.729e-05 deg
M 314.2180618649427 1.6558e-05 deg
tp 2459155.594608618387
(2020-Nov-02.09460862)
5.6234e-05 TDB
period 1219.565212331293
3.34
7.689e-06
2.105e-08
d
yr
n .2951871670001412 1.8611e-09 deg/d
Q 2.564277790076477 1.0778e-08 au
  Orbit Determination Parameters
   # obs. used (total)      490  
   data-arc span      9396 days (25.72 yr)  
   first obs. used      1994-08-05  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58381  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 10:22:34  

Additional Information
 Earth MOID = .888666 au 
 Jupiter MOID = 2.48804 au 
 T_jup = 3.622 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457181.5 (2015-Jun-08.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1482686646222101 4.1631e-08  
q 1.902628501235124 9.6028e-08 au
tp 2456715.917150921638
(2014-Feb-27.41715092)
5.5839e-05 TDB
node 246.3946244347498 6.5271e-05 deg
peri 12.629748338418 6.7317e-05 deg
i 4.182506903086012 4.2902e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      490  
   data-arc span      9396 days (25.72 yr)  
   first obs. used      1994-08-05  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58381  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 10:22:34  

Additional Information
 Jupiter MOID = 2.48804 au 
 T_jup = 3.622 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.733176996380588E-15 -3.985490804609731E-15 -3.651926952823482E-14 1.935898371243884E-15 2.7067148497667E-14 -3.741352695161075E-16
q -3.985490804609731E-15 9.221421907323037E-15 2.661924829504312E-14 -4.854723646905248E-15 -7.38087004423083E-14 9.743356601909895E-16
tp -3.651926952823482E-14 2.661924829504312E-14 3.117948239430854E-9 1.435167269265376E-12 9.380890841788048E-10 2.682612848424046E-12
node 1.935898371243884E-15 -4.854723646905248E-15 1.435167269265376E-12 4.260299255900223E-9 -4.248234494007188E-9 -1.990277707996268E-11
peri 2.7067148497667E-14 -7.38087004423083E-14 9.380890841788048E-10 -4.248234494007188E-9 4.531603089149058E-9 2.067903177613995E-11
i -3.741352695161075E-16 9.743356601909895E-16 2.682612848424046E-12 -1.990277707996268E-11 2.067903177613995E-11 1.840612940870568E-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

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