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 ]  
49932 (1999 XK178)
Classification: Main-belt Asteroid          SPK-ID: 2049932
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06911823142847409 3.8242e-08  
a 2.175720835845828 7.3427e-09 au
q 2.025338859590083 8.4254e-08 au
i 3.123215838115932 4.7267e-06 deg
node 18.2062659685989 7.1315e-05 deg
peri 334.5852957740071 8.0343e-05 deg
M 237.5919582393424 3.9598e-05 deg
tp 2459399.075530302772
(2021-Jul-03.57553030)
0.0001298 TDB
period 1172.203956906329
3.21
5.934e-06
1.625e-08
d
yr
n .3071137901207134 1.5547e-09 deg/d
Q 2.326102812101573 7.8502e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1009  
   data-arc span      10071 days (27.57 yr)  
   first obs. used      1992-09-30  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54736  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 09:58:17  

Additional Information
 Earth MOID = 1.02029 au 
 Jupiter MOID = 2.91325 au 
 T_jup = 3.680 
[ 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 15.6   n/a MPO417162  

49932 (1999 XK178)          Discovered 1999-Dec-10 by LINEAR at Socorro
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 XK178 = 1997 EO34 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jul-06 13:28 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin