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1536 Pielinen (1939 SE)
Classification: Main-belt Asteroid          SPK-ID: 2001536
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1952776768646404 9.9475e-09  
a 2.204145904533373 3.8007e-09 au
q 1.773725412825385 2.2101e-08 au
i 1.534645830471695 3.0255e-07 deg
node 195.6425872537513 1.3389e-05 deg
peri 170.5583189402598 1.5341e-05 deg
M 356.5907807764981 4.4185e-06 deg
tp 2459407.819086112694
(2021-Jul-12.31908611)
1.4688e-05 TDB
period 1195.250505593585
3.27
3.0915e-06
8.464e-09
d
yr
n .3011920917960348 7.7904e-10 deg/d
Q 2.634566396241362 4.5429e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3258  
   data-arc span      43047 days (117.86 yr)  
   first obs. used      1903-10-01  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41217  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 21:14:45  

Additional Information
 Earth MOID = .771369 au 
 Jupiter MOID = 2.82863 au 
 T_jup = 3.637 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456812.5 (2014-Jun-04.0) TDB
Reference: JPL 43 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1951650366538142 9.9551e-09  
q 1.774123428584022 2.2121e-08 au
tp 2457016.493409851897
(2014-Dec-24.99340985)
1.2149e-05 TDB
node 195.7450904678037 1.3429e-05 deg
peri 170.3124084857482 1.5389e-05 deg
i 1.530965116167329 3.0237e-07 deg
  Orbit Determination Parameters
   # obs. used (total)      3258  
   data-arc span      43047 days (117.86 yr)  
   first obs. used      1903-10-01  
   last obs. used      2021-08-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41217  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Aug-25 21:14:45  

Additional Information
 Jupiter MOID = 2.82863 au 
 T_jup = 3.637 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.910414324549275E-17 -2.181386144248136E-16 -7.602764661097776E-14 2.495910998542846E-14 -5.000439240286303E-14 -2.693082979941083E-16
q -2.181386144248136E-16 4.893511863015701E-16 1.758460483557843E-13 -5.935515736048951E-14 1.171935306692732E-13 5.826465255529703E-16
tp -7.602764661097776E-14 1.758460483557843E-13 1.476003523687556E-10 -7.141698629772823E-11 1.198031033960276E-10 2.391459049427725E-13
node 2.495910998542846E-14 -5.935515736048951E-14 -7.141698629772823E-11 1.803290742333859E-10 -2.003350445189233E-10 3.139845538661009E-13
peri -5.000439240286303E-14 1.171935306692732E-13 1.198031033960276E-10 -2.003350445189233E-10 2.368208402651825E-10 -1.633340063499484E-13
i -2.693082979941083E-16 5.826465255529703E-16 2.391459049427725E-13 3.139845538661009E-13 -1.633340063499484E-13 9.142490010297344E-14

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.73   n/a E2021B10  
diameter diameter 7.975 km 0.109 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 66.22 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Published Reference List:
[Behrend, R. (2011) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Pravec, P.; Wolf, M.; Sarounova, L. (2011) http://www.asu.cas.cz/~ppravec/neo.htm]
[Stephens, R.D. (2011) Posting on CALL web site. http://www.minorplanet.info/call.html]
[Casalnuovo, G.B. (2016) Minor Planet Bull. 43, 112-115.]
geometric albedo albedo 0.253   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

1536 Pielinen (1939 SE)          Discovered 1939-Sep-18 by Vaisala, Y. at Turku
Reference: DISCOVERY.DBLast Updated: 2003-08-29

Alternate Designations
 1939 SE = 1929 RZ = 1931 ED = 1934 CW = 1939 TP = 1939 UK = 1952 RW = A903 SF = A916 RA 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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