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 ]  
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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1500243810650457 1.5799e-08  
a 2.243904334551538 5.3347e-09 au
q 1.90726397559127 3.6415e-08 au
i .8204072988916041 1.0056e-06 deg
node 27.41873490439239 7.435e-05 deg
peri 36.77978472769141 7.5617e-05 deg
M 306.9485449836282 5.4644e-06 deg
tp 2459381.425479347260
(2021-Jun-15.92547935)
1.8992e-05 TDB
period 1227.73583768651
3.36
4.3783e-06
1.199e-08
d
yr
n .2932226859797201 1.0457e-09 deg/d
Q 2.580544693511805 6.135e-09 au
  Orbit Determination Parameters
   # obs. used (total)      2550  
   data-arc span      16769 days (45.91 yr)  
   first obs. used      1975-03-15  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44506  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-12 20:13:41  

Additional Information
 Earth MOID = .920053 au 
 Jupiter MOID = 2.70547 au 
 T_jup = 3.617 
[ 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 14.39   n/a E2021B10  
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 33 CATAB v2.0f-lin.ifort 2021-Apr-12 20:14:18 2021-Apr-12 20:14

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 ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Jun-25 13:33 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin