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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1501176012574928 3.4932e-08  
a 2.244972725692416 6.3562e-09 au
q 1.907962805222975 7.9199e-08 au
i .8203369856637421 4.5431e-06 deg
node 27.43769167561399 0.00022527 deg
peri 36.58022195826943 0.00022574 deg
M 248.5200383003661 1.4803e-05 deg
tp 2459380.960295242412
(2021-Jun-15.46029524)
5.1142e-05 TDB
period 1228.612785643954
3.36
5.2178e-06
1.429e-08
d
yr
n .293013392182235 1.2444e-09 deg/d
Q 2.581982646161857 7.3103e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2081  
   data-arc span      16530 days (45.26 yr)  
   first obs. used      1975-03-15  
   last obs. used      2020-06-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46022  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 16:45:42  

Additional Information
 Earth MOID = .921351 au 
 Jupiter MOID = 2.70472 au 
 T_jup = 3.616 
[ 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 14.4   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

[ hide close-approach data ]
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 24 CATAB v2.0f-lin.ifort 2020-Jun-23 16:45:55 2020-Jun-23 16:45

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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