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 ]  
257871 (2000 SX44)
Classification: Main-belt Asteroid          SPK-ID: 2257871
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1290344260728211 6.272e-08  
a 3.051330400801464 3.3434e-08 au
q 2.657603733775496 1.8324e-07 au
i 15.74053198170719 1.044e-05 deg
node 311.8548046112791 2.5762e-05 deg
peri 100.5355275634546 5.4023e-05 deg
M 211.5879464449624 4.3865e-05 deg
tp 2459803.099628681148
(2022-Aug-11.59962868)
0.00024083 TDB
period 1946.849055747776
5.33
3.1998e-05
8.761e-08
d
yr
n .1849141816809858 3.0392e-09 deg/d
Q 3.445057067827432 3.7748e-08 au
  Orbit Determination Parameters
   # obs. used (total)      268  
   data-arc span      6814 days (18.66 yr)  
   first obs. used      2000-09-06  
   last obs. used      2019-05-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62531  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 08:46:11  

Additional Information
 Earth MOID = 1.7248 au 
 Jupiter MOID = 1.96913 au 
 T_jup = 3.167 
[ 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 15.3   n/a MPO470747  

257871 (2000 SX44)          Discovered 2000-Sep-26 by Kusnirak, P. at Ondrejov
Reference: 20110119/Numbers.arcLast Updated: 2011-01-25

[ 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-Nov-29 03:03 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin