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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
18017 (1999 JC124)
Classification: Main-belt Asteroid          SPK-ID: 2018017
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 .2392770363509956 4.4315e-08  
a 2.720268142018343 1.4272e-08 au
q 2.069370442916165 1.1973e-07 au
i 9.631722250150895 5.1067e-06 deg
node 233.3889616986989 2.5742e-05 deg
peri 13.0337304348982 2.7469e-05 deg
M 250.2893534990255 1.2838e-05 deg
tp 2459499.915794765680
(2021-Oct-12.41579477)
6.0494e-05 TDB
period 1638.762434182244
4.49
1.2897e-05
3.531e-08
d
yr
n .2196779670383663 1.7288e-09 deg/d
Q 3.371165841120521 1.7687e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1705  
   data-arc span      14152 days (38.75 yr)  
   first obs. used      1981-05-05  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46982  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:17:25  

Additional Information
 Earth MOID = 1.05742 au 
 Jupiter MOID = 1.66243 au 
 T_jup = 3.297 
[ 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 13.4   n/a MPO458990  
diameter diameter 7.145 km 0.185 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.0300 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Owings, L.E. (2018) Minor Planet Bull. 45, 227-231.]
geometric albedo albedo 0.138   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18017 (1999 JC124)          Discovered 1999-May-14 by LINEAR at Socorro
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 JC124 = 1981 JW = 1986 RN8 = 1990 KV 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Mar-30 01:59 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin