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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1488274287498419 4.7285e-08  
a 2.670606138385123 9.967e-09 au
q 2.273146693605721 1.2544e-07 au
i 11.82542206483364 5.3727e-06 deg
node 331.3718754703791 1.7178e-05 deg
peri 165.2210413860165 2.1394e-05 deg
M 242.3737077448347 1.4755e-05 deg
tp 2459521.352913845063
(2021-Nov-02.85291385)
6.6879e-05 TDB
period 1594.091298716326
4.36
8.924e-06
2.443e-08
d
yr
n .225833990995307 1.2643e-09 deg/d
Q 3.068065583164525 1.145e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2174  
   data-arc span      29749 days (81.45 yr)  
   first obs. used      1939-02-22  
   last obs. used      2020-08-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41214  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 22:35:56  

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

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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 1.96440723666785 1.9644067779917 1.96440769535147 3.92574470406021 3.81432850021778 2420553.738035062 1.4865201824348 382.313722311188 15.4636872713935 87.8018215825598 3063618.91038084 T 26 CATAB v2.0f-lin.ifort 2020-Aug-24 22:36:17 2020-Aug-24 22:36
1998-Jan-16 13:30 < 00:01 Jupiter 1.96190688928067 1.96190649507911 1.96190728348635 3.91995969448959 3.80822995468594 2450830.062691913 0.265065950576512 316.428302186319 13.2040744804294 87.7800194102064 3182518.26582898 T 26 CATAB v2.0f-lin.ifort 2020-Aug-24 22:36:17 2020-Aug-24 22:36
2080-Dec-08 23:40 00:01 Jupiter 1.96123458035267 1.96123414572201 1.96123501498813 3.91141418914111 3.79939420754451 2481107.486382368 1.01488183612843 289.987495759656 13.6267552228739 87.0915361862152 3036351.99111798 T 26 CATAB v2.0f-lin.ifort 2020-Aug-24 22:36:17 2020-Aug-24 22:36
2163-Nov-02 04:17 00:02 Jupiter 1.98098017401207 1.98097948599117 1.98098086204481 3.92539475882107 3.81491402884208 2511384.678432767 2.2556652555571 321.513753094613 16.9729011236901 84.9602212467099 2726480.60127062 T 26 CATAB v2.0f-lin.ifort 2020-Aug-24 22:36:17 2020-Aug-24 22:36

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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