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 ]  
35081 (1990 QT8)
Classification: Main-belt Asteroid          SPK-ID: 2035081
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1617237896207211 2.8565e-08  
a 2.163804501685813 6.33e-09 au
q 1.813865837674807 6.2622e-08 au
i 4.107008626798513 3.4869e-06 deg
node 143.7353544191476 6.7927e-05 deg
peri 140.6232371008682 7.0073e-05 deg
M 165.3091147245474 1.8647e-05 deg
tp 2458466.649374137003
(2018-Dec-14.14937414)
5.942e-05 TDB
period 1162.58698518177
3.18
5.1015e-06
1.397e-08
d
yr
n .3096542491775048 1.3588e-09 deg/d
Q 2.513743165696819 7.3537e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1315  
   data-arc span      10755 days (29.45 yr)  
   first obs. used      1990-08-16  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48739  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 03:41:48  

Additional Information
 Earth MOID = .799754 au 
 Jupiter MOID = 2.63046 au 
 T_jup = 3.674 
[ 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 15.4   n/a MPO337547  
diameter diameter 2.186 km 0.371 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  
geometric albedo albedo 0.256   0.092 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2016AJ....152...63N)  

35081 (1990 QT8)          Discovered 1990-Aug-16 by Elst, E. W. at La Silla
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1990 QT8 = 1999 FK31 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-21 05:33 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin