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 ]  
97262 (1999 XT121)
Classification: Main-belt Asteroid          SPK-ID: 2097262
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1558001848478456 4.5046e-08  
a 2.693305871541827 1.8608e-08 au
q 2.273688318903822 1.2004e-07 au
i 12.51173828114275 5.468e-06 deg
node 267.113444466838 2.8603e-05 deg
peri 163.2228721223213 3.6232e-05 deg
M 125.9600658938867 2.3253e-05 deg
tp 2458035.618538566960
(2017-Oct-09.11853857)
0.00010166 TDB
period 1614.458714932794
4.42
1.6732e-05
4.581e-08
d
yr
n .2229849525851678 2.3109e-09 deg/d
Q 3.112923424179832 2.1507e-08 au
  Orbit Determination Parameters
   # obs. used (total)      693  
   data-arc span      7148 days (19.57 yr)  
   first obs. used      1999-10-14  
   last obs. used      2019-05-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54498  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 06:29:18  

Additional Information
 Earth MOID = 1.29123 au 
 Jupiter MOID = 2.16868 au 
 T_jup = 3.320 
[ 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 14.6   n/a MPO385406  
diameter diameter 3.204 km 0.513 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.299   0.063 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

97262 (1999 XT121)          Discovered 1999-Dec-06 by CSS at Catalina
Reference: 20050224/Numbers.arcLast Updated: 2005-02-28

[ show close-approach data ]
Alternate Designations
 1999 XT121 = 2001 FT112 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Oct-21 01:36 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin