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 ]  
173230 (1998 XM)
Classification: Main-belt Asteroid          SPK-ID: 2173230
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09656907333331423 5.8875e-08  
a 2.62978339587447 1.6008e-08 au
q 2.375827650267536 1.5336e-07 au
i 3.617648346780092 5.7995e-06 deg
node 253.6866248929249 7.8442e-05 deg
peri 130.2749721022754 8.3656e-05 deg
M 56.16770641863394 2.6739e-05 deg
tp 2458757.468490375647
(2019-Sep-30.96849038)
0.00011551 TDB
period 1557.680543561259
4.26
1.4223e-05
3.894e-08
d
yr
n .2311128565404992 2.1103e-09 deg/d
Q 2.883739141481404 1.7554e-08 au
  Orbit Determination Parameters
   # obs. used (total)      412  
   data-arc span      7720 days (21.14 yr)  
   first obs. used      1998-12-06  
   last obs. used      2020-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54096  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 17:01:00  

Additional Information
 Earth MOID = 1.38144 au 
 Jupiter MOID = 2.53667 au 
 T_jup = 3.391 
[ 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 16.4   n/a MPO502964  

173230 (1998 XM)          Discovered 1998-Dec-06 by Boattini, A., Tesi, L. at San Marcello
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Alternate Designations
 1998 XM = 2002 UO27 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Sep-20 06:00 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin