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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1488860185469273 3.7538e-08  
a 2.670991523736158 8.4644e-09 au
q 2.273318230194491 1.025e-07 au
i 11.82524390154671 3.7537e-06 deg
node 331.3707698070215 1.6529e-05 deg
peri 165.1636083247032 2.0825e-05 deg
M 287.605933530841 1.4066e-05 deg
tp 2459521.132589884368
(2021-Nov-02.63258988)		 6.2988e-05 TDB
period 1594.436367344365
4.37		 7.5792e-06
2.075e-08		 d
yr
n .2257851159024946 1.0733e-09 deg/d
Q 3.068664817277825 9.7247e-09 au
   Orbit Determination Parameters
   # obs. used (total)      2679  
   data-arc span      29919 days (81.91 yr)  
   first obs. used      1939-02-22  
   last obs. used      2021-01-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .38122  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 00:56:00  

Additional Information
 Earth MOID = 1.2884 au 
 Jupiter MOID = 1.96113 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 11.56   n/a E2021B10  
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. 2020-October); 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

[ show close-approach data ]
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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