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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 45 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1242150412884152 1.4202e-08  
a 2.19874257561363 3.8642e-09 au
q 1.925625675801186 3.1781e-08 au
i .07513745194805653 5.4811e-07 deg
node 332.969657672468 0.00065998 deg
peri 350.2101226026653 0.00066045 deg
M 155.7529813978301 6.0171e-06 deg
tp 2458881.278623330324
(2020-Feb-01.77862333)
1.9618e-05 TDB
period 1190.858074988138
3.26
3.1394e-06
8.595e-09
d
yr
n .3023030263313164 7.9694e-10 deg/d
Q 2.471859475426073 4.3442e-09 au
  Orbit Determination Parameters
   # obs. used (total)      3556  
   data-arc span      30180 days (82.63 yr)  
   first obs. used      1938-08-23  
   last obs. used      2021-04-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .41152  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 12:26:35  

Additional Information
 Earth MOID = .912506 au 
 Jupiter MOID = 2.79327 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 12.88   n/a MPCxxxxx  
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. 2020-October); 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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