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1486 Marilyn (1938 QA)
Classification: Main-belt Asteroid          SPK-ID: 2001486
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1247083530318922 3.4856e-08  
a 2.198583422515433 5.3051e-09 au
q 1.924401704890313 7.771e-08 au
i .07514532759116763 3.8322e-06 deg
node 333.0646647928481 0.0024743 deg
peri 350.0830624110402 0.0024743 deg
M 275.1419904516283 1.4632e-05 deg
tp 2458881.174650337387
(2020-Feb-01.67465034)
4.8789e-05 TDB
period 1190.728779277596
3.26
4.3098e-06
1.18e-08
d
yr
n .302335852013595 1.0943e-09 deg/d
Q 2.472765140140553 5.9667e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2732  
   data-arc span      29582 days (80.99 yr)  
   first obs. used      1938-08-23  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45175  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-23 19:18:02  

Additional Information
 Earth MOID = .91109 au 
 Jupiter MOID = 2.7929 au 
 T_jup = 3.657 
[ 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 12.8   n/a MPO337257  
diameter diameter 6.414 km 0.086 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 4.566 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Benishek, V. (2014) Minor Planet Bull. 41, 126-127.]
[Ferrero, A. (2014) Minor Planet Bull. 41, 24-25.]
[Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.]
[Hanus, J.; Durech, J.; Oszkiewicz, D.A.; Behrend, R.; et al. (2016) Astron. Astrophys. 586, A108.]
geometric albedo albedo 0.391   0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

1486 Marilyn (1938 QA)          Discovered 1938-Aug-23 by Delporte, E. at Uccle
Reference: DISCOVERY.DBLast Updated: 2003-08-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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