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 ]  
109529 (2001 QE248)
Classification: Main-belt Asteroid          SPK-ID: 2109529
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 .1867540594265417 5.4829e-08  
a 2.520263845244814 9.2258e-09 au
q 2.0495943413194 1.397e-07 au
i 3.266475869002378 3.8725e-06 deg
node 150.9705135314603 8.8909e-05 deg
peri 233.035301198448 8.9221e-05 deg
M 288.0232733006353 9.2378e-06 deg
tp 2459492.684404987692
(2021-Oct-05.18440499)
3.8348e-05 TDB
period 1461.394406485248
4.00
8.0245e-06
2.197e-08
d
yr
n .2463400697323212 1.3526e-09 deg/d
Q 2.990933349170228 1.0949e-08 au
  Orbit Determination Parameters
   # obs. used (total)      869  
   data-arc span      9769 days (26.75 yr)  
   first obs. used      1993-10-09  
   last obs. used      2020-07-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52492  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:16:09  

Additional Information
 Earth MOID = 1.05375 au 
 Jupiter MOID = 2.46648 au 
 T_jup = 3.430 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.81   n/a E2021B55  
diameter diameter 1.894 km 0.467 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 9.674 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.283   0.131 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109529 (2001 QE248)          Discovered 2001-Aug-24 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 2001 QE248 = 1993 TX39 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-May-07 10:31 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin