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1510 Charlois (1939 DC)
Classification: Main-belt Asteroid          SPK-ID: 2001510
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1488274278368846 3.8855e-08  
a 2.670606138211254 8.6696e-09 au
q 2.273146695895877 1.0555e-07 au
i 11.82541948867004 4.1383e-06 deg
node 331.3718787993847 1.6547e-05 deg
peri 165.2210382300585 2.0861e-05 deg
M 242.3737077323496 1.4097e-05 deg
tp 2459521.352913849482
(2021-Nov-02.85291385)
6.3582e-05 TDB
period 1594.091298560651
4.36
7.7623e-06
2.125e-08
d
yr
n .2258339910173613 1.0997e-09 deg/d
Q 3.06806558052663 9.9598e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2492  
   data-arc span      29834 days (81.68 yr)  
   first obs. used      1939-02-22  
   last obs. used      2020-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .39091  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 04:18:15  

Additional Information
 Earth MOID = 1.28831 au 
 Jupiter MOID = 1.96223 au 
 T_jup = 3.335 
[ 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 11.5   n/a MPO265964  
diameter diameter 24.507 km 0.345 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 5.866 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Behrend, R. (2013) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
geometric albedo albedo 0.118   0.017 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
SMASSII spectral type spec_B C   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

1510 Charlois (1939 DC)          Discovered 1939-Feb-22 by Patry, A. at Nice
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1915-Feb-25 05:43 00:01 Jupiter 1.96440723618597 1.96440688773701 1.96440758463962 3.92574418851977 3.81432796959072 2420553.738041727 1.31996432271058 286.578280018125 11.5724539799993 87.6900148897498 3915126.24490534 T 28 CATAB v2.0f-lin.ifort 2020-Nov-13 04:18:24 2020-Nov-13 04:18
1998-Jan-16 13:30 < 00:01 Jupiter 1.9619068899907 1.96190657361298 1.96190720637133 3.91995916813596 3.80822941293063 2450830.062688353 0.252390038706499 239.894249606676 10.2542831990758 87.5560959221212 3934998.86544995 T 28 CATAB v2.0f-lin.ifort 2020-Nov-13 04:18:24 2020-Nov-13 04:18
2080-Dec-08 23:40 < 00:01 Jupiter 1.96123458297537 1.96123426681219 1.961234899141 3.91141365456774 3.79939365736198 2481107.486380863 0.872141247230133 211.647439783655 9.94488336429406 87.1258914364046 3966630.12565073 T 28 CATAB v2.0f-lin.ifort 2020-Nov-13 04:18:24 2020-Nov-13 04:18
2163-Nov-02 04:17 00:02 Jupiter 1.98098017857544 1.98097968702589 1.98098067013152 3.92539422508607 3.81491347990819 2511384.678427166 1.9574429390998 238.206371210455 12.1497439595833 85.0620587223696 3709350.90133764 T 28 CATAB v2.0f-lin.ifort 2020-Nov-13 04:18:24 2020-Nov-13 04:18

Alternate Designations
 1939 DC = 1959 WE = 1963 UB 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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