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 ]  
43170 (1999 XH171)
Classification: Main-belt Asteroid          SPK-ID: 2043170
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1453807805298113 3.6125e-08  
a 2.68301685696914 1.1452e-08 au
q 2.292957772128325 9.7174e-08 au
i 4.782269902838003 3.3233e-06 deg
node 65.21261856803825 4.8726e-05 deg
peri 88.76244904531491 5.0337e-05 deg
M 236.9171989787997 1.4849e-05 deg
tp 2459749.318066002417
(2022-Jun-18.81806600)
6.819e-05 TDB
period 1605.216180665558
4.39
1.0277e-05
2.814e-08
d
yr
n .2242688581987356 1.4359e-09 deg/d
Q 3.073075941809955 1.3117e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1324  
   data-arc span      9105 days (24.93 yr)  
   first obs. used      1996-03-09  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52166  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 09:16:53  

Additional Information
 Earth MOID = 1.30899 au 
 Jupiter MOID = 1.93112 au 
 T_jup = 3.355 
[ 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 14.72   n/a E2021B10  

43170 (1999 XH171)          Discovered 1999-Dec-10 by LINEAR at Socorro
Reference: 20020624/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 XH171 = 1996 GR1 
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-18 06:40 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin