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 ]  
65989 (1998 KZ12)
Classification: Outer Main-belt Asteroid          SPK-ID: 2065989
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1543136183094679 4.5633e-08  
a 3.979737111633032 5.3087e-08 au
q 3.365609478016468 1.7962e-07 au
i 3.537704893701316 4.8993e-06 deg
node 348.7032188527054 8.5936e-05 deg
peri 223.4623139480458 8.7688e-05 deg
M 288.518345072993 2.0411e-05 deg
tp 2459576.300585523242
(2021-Dec-27.80058552)
0.00017213 TDB
period 2899.87985029219
7.94
5.8023e-05
1.589e-07
d
yr
n .1241430743979709 2.484e-09 deg/d
Q 4.593864745249595 6.1278e-08 au
  Orbit Determination Parameters
   # obs. used (total)      660  
   data-arc span      8423 days (23.06 yr)  
   first obs. used      1997-01-09  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52886  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 14:49:23  

Additional Information
 Earth MOID = 2.3612 au 
 Jupiter MOID = .461209 au 
 T_jup = 3.032 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.5   n/a MPO436242  

65989 (1998 KZ12)          Discovered 1998-May-22 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Apr-07 10:21 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin