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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .161789167452151 3.9731e-08  
a 2.163350421437446 8.4589e-09 au
q 1.813343757845822 8.9854e-08 au
i 4.107012932413304 4.2155e-06 deg
node 143.7427352470949 6.8574e-05 deg
peri 140.5284769225973 7.0779e-05 deg
M 41.52028495381371 1.8488e-05 deg
tp 2458466.456252714086
(2018-Dec-13.95625271)
5.9471e-05 TDB
period 1162.221046329707
3.18
6.8166e-06
1.866e-08
d
yr
n .3097517474295269 1.8167e-09 deg/d
Q 2.513357085029071 9.8275e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1081  
   data-arc span      10619 days (29.07 yr)  
   first obs. used      1990-08-16  
   last obs. used      2019-09-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52455  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 01:55:14  

Additional Information
 Earth MOID = .79862 au 
 Jupiter MOID = 2.62967 au 
 T_jup = 3.675 
[ 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 ]
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