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8015 (1990 QT2)
Classification: Main-belt Asteroid          SPK-ID: 2008015
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1501175971939283 3.1188e-08  
a 2.24497272528354 6.1504e-09 au
q 1.90796281399807 7.155e-08 au
i .820334253660822 3.9374e-06 deg
node 27.43769574650933 0.00022516 deg
peri 36.58021916302607 0.00022558 deg
M 248.5200375119296 1.4507e-05 deg
tp 2459380.960297829259
(2021-Jun-15.46029783)
5.0223e-05 TDB
period 1228.612785308303
3.36
5.0489e-06
1.382e-08
d
yr
n .2930133922622847 1.2041e-09 deg/d
Q 2.58198263656901 7.0737e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2164  
   data-arc span      16576 days (45.38 yr)  
   first obs. used      1975-03-15  
   last obs. used      2020-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45409  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 23:55:35  

Additional Information
 Earth MOID = .921351 au 
 Jupiter MOID = 2.70472 au 
 T_jup = 3.616 
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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 14.4   n/a MPO384827  
diameter diameter 3.105 km 0.878 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.318   0.153 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

8015 (1990 QT2)          Discovered 1990-Aug-24 by Holt, H. E. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2095-Jul-09 21:51 00:02 Iris 0.0438492948882135 0.0438406628336848 0.0438579279617994 3.27925941449521 3.27925937451596 2486433.410667678 1.75967670129206 544.417211207886 23.2932902662725 -37.8355621243482 172861.762148953 T 25 CATAB v2.0f-lin.ifort 2020-Aug-24 23:55:50 2020-Aug-24 23:55

Alternate Designations
 1990 QT2 = 1975 EF6 = 1980 TC8 = 1985 DS3 = 1987 XS 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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