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 ]  
20042 (1993 CK1)
Classification: Main-belt Asteroid          SPK-ID: 2020042
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 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1230961889686732 4.4807e-08  
a 2.582962083548012 1.159e-08 au
q 2.265009294812668 1.1716e-07 au
i 8.542217565537172 4.9899e-06 deg
node 29.05489512651887 2.3627e-05 deg
peri 156.5732883095769 2.7684e-05 deg
M 228.2574844964303 1.5451e-05 deg
tp 2459755.379811944285
(2022-Jun-24.87981194)
6.6394e-05 TDB
period 1516.266267851322
4.15
1.0206e-05
2.794e-08
d
yr
n .2374253174609963 1.5981e-09 deg/d
Q 2.900914872283356 1.3017e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1843  
   data-arc span      23679 days (64.83 yr)  
   first obs. used      1956-05-08  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47675  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:11:55  

Additional Information
 Earth MOID = 1.26783 au 
 Jupiter MOID = 2.05645 au 
 T_jup = 3.397 
[ 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 14.07   n/a E2021B10  
diameter diameter 9.395 km 0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.047   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20042 (1993 CK1)          Discovered 1993-Feb-15 by Kushida, Y., Muramatsu, O. at Yatsugatake
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

[ 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
2033-Jul-18 20:50 < 00:01 Thisb 0.0041800709348579 0.00417823400508309 0.00418190970129574 5.87681505223958 5.87681477468456 2463797.368291228 0.345199289577426 182.843447258601 44.6875612502669 63.1832222251282 12577.6086558011 T 39 CATAB v2.0f-lin.ifort 2021-Apr-13 03:12:06 2021-Apr-13 03:12

Alternate Designations
 1993 CK1 = 1995 UZ38 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-22 21:24 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin