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.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1279285981566716 6.2693e-08  
a 3.05471033401094 3.3369e-08 au
q 2.663925523206222 1.8345e-07 au
i 15.74509887442153 1.0013e-05 deg
node 311.8403719764925 2.5457e-05 deg
peri 100.2518358876546 5.0941e-05 deg
M 248.8012293308608 4.1716e-05 deg
tp 2459802.852841391046
(2022-Aug-11.35284139)
0.00022937 TDB
period 1950.084714029646
5.34
3.1953e-05
8.748e-08
d
yr
n .1846073647006327 3.0249e-09 deg/d
Q 3.445495144815657 3.7638e-08 au
  Orbit Determination Parameters
   # obs. used (total)      272  
   data-arc span      6814 days (18.66 yr)  
   first obs. used      2000-09-06  
   last obs. used      2019-05-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .61308  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 02:41:59  

Additional Information
 Earth MOID = 1.73049 au 
 Jupiter MOID = 1.96828 au 
 T_jup = 3.166 
[ 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 15.31   n/a MPCxxxxx  

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 2021-Jun-13 04:41 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin