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 ]  
43156 (1999 XF120)
Classification: Main-belt Asteroid          SPK-ID: 2043156
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07791738454314454 4.0796e-08  
a 2.728598626855521 1.2933e-08 au
q 2.515993358382923 1.0992e-07 au
i 5.587699232978174 4.2325e-06 deg
node 269.5402371678377 4.1795e-05 deg
peri 116.5552579715022 4.9191e-05 deg
M 271.3635905433063 2.7235e-05 deg
tp 2459605.838228872210
(2022-Jan-26.33822887)
0.00012565 TDB
period 1646.29595544809
4.51
1.1705e-05
3.205e-08
d
yr
n .2186727111906286 1.5547e-09 deg/d
Q 2.941203895328118 1.3941e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1509  
   data-arc span      8093 days (22.16 yr)  
   first obs. used      1998-06-26  
   last obs. used      2020-08-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48694  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:16:43  

Additional Information
 Earth MOID = 1.52536 au 
 Jupiter MOID = 2.42944 au 
 T_jup = 3.344 
[ 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 13.96   n/a E2021B10  
diameter diameter 5.662 km 0.202 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.182   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

43156 (1999 XF120)          Discovered 1999-Dec-05 by CSS at Catalina
Reference: 20020624/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 XF120 = 1998 MT39 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-21 12:54 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin