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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 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1488274311968058 4.595e-08  
a 2.670606138868824 9.7627e-09 au
q 2.273146687482557 1.2226e-07 au
i 11.82542220914066 5.2399e-06 deg
node 331.3718752072643 1.705e-05 deg
peri 165.2210418246812 2.1285e-05 deg
M 242.37370732908 1.4662e-05 deg
tp 2459521.352915827543
(2021-Nov-02.85291583)
6.6408e-05 TDB
period 1594.09129914941
4.36
8.7411e-06
2.393e-08
d
yr
n .2258339909339523 1.2383e-09 deg/d
Q 3.068065590255092 1.1216e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2277  
   data-arc span      29797 days (81.58 yr)  
   first obs. used      1939-02-22  
   last obs. used      2020-09-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40419  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-22 15:33:35  

Additional Information
 Earth MOID = 1.28831 au 
 Jupiter MOID = 1.96223 au 
 T_jup = 3.335 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456568.5 (2013-Oct-03.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1471126369655355 4.597e-08  
q 2.278737396793828 1.2209e-07 au
tp 2456329.431621880374
(2013-Feb-05.93162188)
5.9785e-05 TDB
node 331.5122457648727 1.7054e-05 deg
peri 164.862148951743 2.1394e-05 deg
i 11.82138012595578 5.2381e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2277  
   data-arc span      29797 days (81.58 yr)  
   first obs. used      1939-02-22  
   last obs. used      2020-09-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40419  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-22 15:33:35  

Additional Information
 Jupiter MOID = 1.96223 au 
 T_jup = 3.335 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.113277018010842E-15 -5.599516002239913E-15 2.3236767500139E-13 -5.437686137700951E-15 9.877968141290711E-14 -8.137926849814771E-16
q -5.599516002239913E-15 1.490631944023004E-14 -4.712708879830191E-13 1.538952983534934E-14 -2.324356747696287E-13 2.483369671570464E-15
tp 2.3236767500139E-13 -4.712708879830191E-13 3.574267935452923E-9 -3.128664930527039E-12 7.799277697423625E-10 1.86879550574205E-12
node -5.437686137700951E-15 1.538952983534934E-14 -3.128664930527039E-12 2.908310532662456E-10 -2.84842465996168E-10 -1.27652787926067E-12
peri 9.877968141290711E-14 -2.324356747696287E-13 7.799277697423625E-10 -2.84842465996168E-10 4.577217797951331E-10 1.60994001797937E-12
i -8.137926849814771E-16 2.483369671570464E-15 1.86879550574205E-12 -1.27652787926067E-12 1.60994001797937E-12 2.743808612500597E-11

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

[ 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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