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5387 Casleo (1980 NB)
Classification: Main-belt Asteroid          SPK-ID: 2005387
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1731154042623731 3.3117e-08  
a 2.439072573810179 8.3424e-09 au
q 2.016831539169763 8.0856e-08 au
i 1.610148488979066 4.2964e-06 deg
node 239.0365285345267 0.00011768 deg
peri 31.25663471308007 0.00011828 deg
M 175.6172972933088 1.1687e-05 deg
tp 2458321.764914575547
(2018-Jul-22.26491458)
4.4732e-05 TDB
period 1391.347176609311
3.81
7.1383e-06
1.954e-08
d
yr
n .2587420350953051 1.3275e-09 deg/d
Q 2.861313608450595 9.7867e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2290  
   data-arc span      23424 days (64.13 yr)  
   first obs. used      1955-12-12  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .4938  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 17:36:37  

Additional Information
 Earth MOID = 1.00089 au 
 Jupiter MOID = 2.235 au 
 T_jup = 3.481 
[ 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 13.4   n/a MPO347567  
diameter diameter 5.488 km 0.047 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.051486 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 0.256   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

5387 Casleo           Discovered 1980 July 11 at Cerro El Roble.
Casleo, the Complejo Astronómico El Leoncito, is the largest astronomical center in Argentina, located in San Juan province near the Andes mountains in the west of the country. The name was suggested by J. Reyes.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20070402/MPCPages.arcLast Updated: 2007-07-05

[ show close-approach data ]
Alternate Designations
 1980 NB = 1977 UJ2 = 1988 RU4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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