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 ]  
257844 (2000 KQ44)
Classification: Main-belt Asteroid          SPK-ID: 2257844
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2365350645241248 7.4957e-08  
a 2.70482758460967 2.2225e-08 au
q 2.065041017357389 1.9719e-07 au
i 7.446947114057825 6.6863e-06 deg
node 243.2094802542721 5.0848e-05 deg
peri 70.91394947401457 5.3597e-05 deg
M 131.4371737288406 2.215e-05 deg
tp 2458407.269436015834
(2018-Oct-15.76943602)
9.4675e-05 TDB
period 1624.829543846457
4.45
2.0027e-05
5.483e-08
d
yr
n .2215617024957415 2.7308e-09 deg/d
Q 3.344614151861951 2.7483e-08 au
  Orbit Determination Parameters
   # obs. used (total)      221  
   data-arc span      8622 days (23.61 yr)  
   first obs. used      1996-05-16  
   last obs. used      2019-12-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58333  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 23:21:18  

Additional Information
 Earth MOID = 1.06564 au 
 Jupiter MOID = 2.00667 au 
 T_jup = 3.313 
[ 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 16.4   n/a MPO454918  

257844 (2000 KQ44)          Discovered 2000-May-31 by Kusnirak, P., Pravec, P. at Ondrejov
Reference: 20110119/Numbers.arcLast Updated: 2011-01-25

[ show close-approach data ]
Alternate Designations
 2000 KQ44 = 2005 QL174 
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-30 00:10 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin