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 ]  
109213 (2001 QT84)
Classification: Main-belt Asteroid          SPK-ID: 2109213
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .308800095061055 5.5172e-08  
a 2.789819287726363 1.6288e-08 au
q 1.928322826473297 1.5106e-07 au
i 10.17373473931957 6.7911e-06 deg
node 15.10057752738501 2.7497e-05 deg
peri 18.1604992421274 2.8682e-05 deg
M 4.691534235192415 9.4622e-06 deg
tp 2458978.319316509726
(2020-May-08.81931651)
4.4628e-05 TDB
period 1702.011678098979
4.66
1.4906e-05
4.081e-08
d
yr
n .2115144124052623 1.8524e-09 deg/d
Q 3.651315748979428 2.1318e-08 au
  Orbit Determination Parameters
   # obs. used (total)      727  
   data-arc span      11198 days (30.66 yr)  
   first obs. used      1987-10-20  
   last obs. used      2018-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54443  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 04:17:30  

Additional Information
 Earth MOID = .936791 au 
 Jupiter MOID = 1.82546 au 
 T_jup = 3.236 
[ 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 14.7   n/a MPO348162  
diameter diameter 3.890 km 0.286 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.203   0.077 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

109213 (2001 QT84)          Discovered 2001-Aug-18 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ 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-Jul-04 09:50 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin