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 ]  
118255 (1998 CZ2)
Classification: Main-belt Asteroid          SPK-ID: 2118255
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2130397755534402 4.2037e-08  
a 2.68516902896913 1.2073e-08 au
q 2.113121221714498 1.1501e-07 au
i 5.249230181078778 4.7966e-06 deg
node 153.6626542663324 4.1052e-05 deg
peri 13.60140012969448 4.2176e-05 deg
M 57.57653302693421 8.296e-06 deg
tp 2458943.461084371459
(2020-Apr-03.96108437)
3.6892e-05 TDB
period 1607.147995225545
4.40
1.0839e-05
2.968e-08
d
yr
n .2239992838677424 1.5107e-09 deg/d
Q 3.257216836223763 1.4645e-08 au
  Orbit Determination Parameters
   # obs. used (total)      839  
   data-arc span      8144 days (22.30 yr)  
   first obs. used      1998-02-06  
   last obs. used      2020-05-25  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51701  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:56:24  

Additional Information
 Earth MOID = 1.1203 au 
 Jupiter MOID = 1.71464 au 
 T_jup = 3.336 
[ 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 15.73   n/a E2021B55  

118255 (1998 CZ2)          Discovered 1998-Feb-06 by Elst, E. W. at La Silla
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

[ show close-approach data ]
Alternate Designations
 1998 CZ2 = 2002 AF83 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-15 06:38 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin