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 ]  
249866 (2001 QM165)
Classification: Main-belt Asteroid          SPK-ID: 2249866
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2238921458293204 9.3532e-08  
a 2.66626869524077 2.4847e-08 au
q 2.069312075705772 2.4162e-07 au
i 10.13876826714951 8.4365e-06 deg
node 3.074986187801659 3.0348e-05 deg
peri 19.37113767272121 3.436e-05 deg
M 122.6318067487707 2.0476e-05 deg
tp 2458658.804879714118
(2019-Jun-24.30487971)
8.4599e-05 TDB
period 1590.209330458816
4.35
2.2229e-05
6.086e-08
d
yr
n .2263852897254293 3.1645e-09 deg/d
Q 3.263225314775769 3.041e-08 au
  Orbit Determination Parameters
   # obs. used (total)      266  
   data-arc span      9516 days (26.05 yr)  
   first obs. used      1995-03-27  
   last obs. used      2021-04-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55638  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 11:12:27  

Additional Information
 Earth MOID = 1.07334 au 
 Jupiter MOID = 2.22124 au 
 T_jup = 3.325 
[ 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 16.16   n/a MPCxxxxx  
diameter diameter 2.210 km 0.441 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.798 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.]
[Szabo, R.; Pal, A.; Sarneczky, K.; Szabo, Gy.M.; et al. (2016) Astron. Astrophys. 596, A40.]
geometric albedo albedo 0.158   0.110 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249866 (2001 QM165)          Discovered 2001-Aug-24 by NEAT at Haleakala
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-May-15 19:03 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin