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 ]  
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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1541319130149105 4.3677e-08  
a 2.697136284321578 1.7889e-08 au
q 2.281421509157166 1.1589e-07 au
i 12.50642382568436 5.0199e-06 deg
node 267.1121089957536 2.6673e-05 deg
peri 163.406558557542 3.3877e-05 deg
M 214.832768328276 2.3012e-05 deg
tp 2459652.907369960717
(2022-Mar-14.40736996)
0.00010724 TDB
period 1617.904057831572
4.43
1.6096e-05
4.407e-08
d
yr
n .2225101038948484 2.2137e-09 deg/d
Q 3.11285105948599 2.0646e-08 au
  Orbit Determination Parameters
   # obs. used (total)      723  
   data-arc span      7204 days (19.72 yr)  
   first obs. used      1999-10-14  
   last obs. used      2019-07-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55868  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 00:14:11  

Additional Information
 Earth MOID = 1.29909 au 
 Jupiter MOID = 2.1674 au 
 T_jup = 3.318 
[ 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 2020-Oct-25 14:51 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin