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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1488860167469698 3.7463e-08  
a 2.670991524346241 8.4507e-09 au
q 2.273318235521412 1.0233e-07 au
i 11.82524398671793 3.7276e-06 deg
node 331.3707699335184 1.6513e-05 deg
peri 165.1636083653113 2.0802e-05 deg
M 287.6059331736338 1.4042e-05 deg
tp 2459521.132591576289
(2021-Nov-02.63259158)
6.2877e-05 TDB
period 1594.436367890644
4.37
7.5669e-06
2.072e-08
d
yr
n .2257851158251371 1.0715e-09 deg/d
Q 3.06866481317107 9.7089e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2738  
   data-arc span      29964 days (82.04 yr)  
   first obs. used      1939-02-22  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .37786  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 12:33:26  

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

[ 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 1.96440726268827 1.96440693418678 1.964407591194 3.92574332501058 3.81432708300807 2420553.737998379 1.29483331883361 262.274761465551 10.7938288289715 87.594679768989 4199225.1868164 T 33 CATAB v2.0f-lin.ifort 2021-Apr-12 12:33:46 2021-Apr-12 12:33
1998-Jan-16 13:30 < 00:01 Jupiter 1.96190691438113 1.96190661164894 1.96190721711599 3.91995825623858 3.80822847631475 2450830.062707932 0.250300434605857 220.027341117974 9.6580460738216 87.4260489943291 4183996.34615528 T 33 CATAB v2.0f-lin.ifort 2021-Apr-12 12:33:46 2021-Apr-12 12:33
2080-Dec-08 23:40 < 00:01 Jupiter 1.96123462572488 1.96123433090172 1.96123492055017 3.91141278402243 3.79939276425549 2481107.486360542 0.850869227297204 192.5621086702 9.20710316559435 87.0556112171851 4272656.4437684 T 33 CATAB v2.0f-lin.ifort 2021-Apr-12 12:33:46 2021-Apr-12 12:33
2163-Nov-02 04:17 00:02 Jupiter 1.98098022481019 1.98097976774601 1.98098068188022 3.92539333571253 3.81491256801324 2511384.678419143 1.9132463852328 221.246555404083 11.0578330927417 84.995330132399 4084824.127389 T 33 CATAB v2.0f-lin.ifort 2021-Apr-12 12:33:46 2021-Apr-12 12:33

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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