Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .148827426736149 3.8396e-08  
a 2.670606138023546 8.6042e-09 au
q 2.273146698675737 1.0448e-07 au
i 11.82541935561513 4.0218e-06 deg
node 331.3718788646182 1.6535e-05 deg
peri 165.2210381068453 2.0851e-05 deg
M 242.3737078857587 1.4063e-05 deg
tp 2459521.352913115268
(2021-Nov-02.85291312)
6.3412e-05 TDB
period 1594.091298392587
4.36
7.7038e-06
2.109e-08
d
yr
n .225833991041171 1.0914e-09 deg/d
Q 3.068065577371355 9.8847e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2532  
   data-arc span      29853 days (81.73 yr)  
   first obs. used      1939-02-22  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .3886  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:01:05  

Additional Information
 Earth MOID = 1.28831 au 
 Jupiter MOID = 1.96223 au 
 T_jup = 3.335 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457078.5 (2015-Feb-25.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1471253873572164 3.8445e-08  
q 2.279536193646418 1.0452e-07 au
tp 2456329.976520058361
(2013-Feb-06.47652006)
5.8662e-05 TDB
node 331.5007873444407 1.6531e-05 deg
peri 165.0300384502274 2.0946e-05 deg
i 11.82183204232333 4.0218e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      2532  
   data-arc span      29853 days (81.73 yr)  
   first obs. used      1939-02-22  
   last obs. used      2020-11-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .3886  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 02:01:05  

Additional Information
 Jupiter MOID = 1.96223 au 
 T_jup = 3.335 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.478017415527466E-15 -4.008643613075994E-15 -6.01495205541998E-14 -3.375469240797823E-15 4.848899062857468E-14 -2.982992386058555E-16
q -4.008643613075994E-15 1.092360297547557E-14 2.633126417016284E-13 9.953345424771028E-15 -1.060291915480241E-13 1.297794048588228E-15
tp -6.01495205541998E-14 2.633126417016284E-13 3.44123604270239E-9 -6.402722728566379E-12 7.606345139230911E-10 5.791322548071032E-12
node -3.375469240797823E-15 9.953345424771028E-15 -6.402722728566379E-12 2.732856616697138E-10 -2.685595407441188E-10 1.247574627532116E-11
peri 4.848899062857468E-14 -1.060291915480241E-13 7.606345139230911E-10 -2.685595407441188E-10 4.387336834351992E-10 -1.091135191621885E-11
i -2.982992386058555E-16 1.297794048588228E-15 5.791322548071032E-12 1.247574627532116E-11 -1.091135191621885E-11 1.617485316012157E-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. 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

[ 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 1.96440724010524 1.96440689792664 1.96440758228842 3.9257441729269 3.81432795376792 2420553.738053579 1.31165242950814 279.214273085672 11.3140375263027 87.6587978648856 3994597.45023328 T 30 CATAB v2.0f-lin.ifort 2020-Dec-18 02:01:11 2020-Dec-18 02:01
1998-Jan-16 13:30 < 00:01 Jupiter 1.96190689320258 1.9619065811433 1.96190720526465 3.91995915139065 3.80822939587963 2450830.062695862 0.251779471272866 233.798155128116 10.0584837896105 87.5151610545488 4004081.86424547 T 30 CATAB v2.0f-lin.ifort 2020-Dec-18 02:01:11 2020-Dec-18 02:01
2080-Dec-08 23:40 < 00:01 Jupiter 1.96123458696322 1.96123427769384 1.96123489623506 3.91141363672072 3.79939363921989 2481107.486384249 0.864917044606376 205.707433527895 9.70189635423191 87.104568287067 4053916.22169046 T 30 CATAB v2.0f-lin.ifort 2020-Dec-18 02:01:11 2020-Dec-18 02:01
2163-Nov-02 04:17 00:02 Jupiter 1.98098018505579 1.98097970488718 1.98098066523059 3.92539421215675 3.81491346697108 2511384.678412292 1.9424104466151 232.758696570178 11.7931440109214 85.0443713900438 3815744.49594653 T 30 CATAB v2.0f-lin.ifort 2020-Dec-18 02:01:11 2020-Dec-18 02:01

Alternate Designations
 1939 DC = 1959 WE = 1963 UB 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jan-21 06:45 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin