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JPL Small-Body Database Browser
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1571 Cesco (1950 FJ)
Classification: Main-belt Asteroid          SPK-ID: 2001571
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 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1139712301824207 4.2049e-08  
a 3.139922476278074 1.6193e-08 au
q 2.782061648979229 1.3661e-07 au
i 14.59649966749131 5.5735e-06 deg
node 292.3560526354158 1.6032e-05 deg
peri 141.0997327151376 2.802e-05 deg
M 307.6450050016223 2.3481e-05 deg
tp 2459296.051002603240
(2021-Mar-22.55100260)
0.0001331 TDB
period 2032.248516888662
5.56
1.572e-05
4.304e-08
d
yr
n .1771436893708029 1.3703e-09 deg/d
Q 3.497783303576919 1.8038e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1904  
   data-arc span      25464 days (69.72 yr)  
   first obs. used      1950-03-20  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45077  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 21:02:26  

Additional Information
 Earth MOID = 1.81357 au 
 Jupiter MOID = 1.75017 au 
 T_jup = 3.151 
[ show covariance matrix ]

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 11.6   n/a MPO502168  
diameter diameter 18.464 km 0.352 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 27.3967 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Ali-Lagoa, V. (2018) Astron. Astrophys. 617, A57.]
geometric albedo albedo 0.076   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

1571 Cesco (1950 FJ)          Discovered 1950-Mar-20 by Itzigsohn, M. at La Plata
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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