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 ]  
173999 (2001 XQ222)
Classification: Main-belt Asteroid          SPK-ID: 2173999
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1192995357912573 5.7891e-08  
a 3.088915949992372 2.8573e-08 au
q 2.720409711060072 1.7464e-07 au
i 2.969775979603144 5.2906e-06 deg
node 253.178032732401 0.00012625 deg
peri 149.930596813459 0.00012844 deg
M 157.2224636600425 2.6004e-05 deg
tp 2458134.496474003476
(2018-Jan-15.99647400)
0.00013796 TDB
period 1982.930823631289
5.43
2.7514e-05
7.533e-08
d
yr
n .1815494497890459 2.5191e-09 deg/d
Q 3.457422188924673 3.1982e-08 au
  Orbit Determination Parameters
   # obs. used (total)      323  
   data-arc span      6764 days (18.52 yr)  
   first obs. used      2001-10-21  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60911  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 03:34:49  

Additional Information
 Earth MOID = 1.72978 au 
 Jupiter MOID = 1.92662 au 
 T_jup = 3.212 
[ 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 15.7   n/a MPO422667  

173999 (2001 XQ222)          Discovered 2001-Dec-15 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-09 21:31 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin