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9431 (1996 PS1)
Classification: Jupiter Trojan          SPK-ID: 2009431
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08659121369935716 3.4203e-08  
a 5.115853556240435 7.6882e-08 au
q 4.672865587697403 2.1527e-07 au
i 21.33549779876623 4.1511e-06 deg
node 201.4863439982115 2.1437e-06 deg
peri 185.24451259056 1.4401e-05 deg
M 341.0641765966438 1.6075e-05 deg
tp 2459422.809118662956
(2021-Jul-27.30911866)		 0.00018823 TDB
period 4226.448515805214
11.57		 9.5274e-05
2.608e-07		 d
yr
n .08517789786241216 1.9201e-09 deg/d
Q 5.558841524783467 8.354e-08 au
   Orbit Determination Parameters
   # obs. used (total)      2364  
   data-arc span      10101 days (27.66 yr)  
   first obs. used      1993-06-16  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41678  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 21:22:57  

Additional Information
 Earth MOID = 3.67612 au 
 Jupiter MOID = .100357 au 
 T_jup = 2.857 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 10.69   n/a E2021B10  
diameter diameter 38.358 km 3.481 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  
geometric albedo albedo 0.076   0.026 urn:nasa:pds:neowise_diameters_albedos::2.0[jupiter_trojans] (http://adsabs.harvard.edu/abs/2012ApJ...759...49G)  

9431 (1996 PS1)          Discovered 1996-Aug-12 by Farra d'Isonzo at Farra d'Isonzo
Reference: 19981005/Numbers.arcLast Updated: 2004-04-19
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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