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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
35078 (1990 QB7)
Classification: Main-belt Asteroid          SPK-ID: 2035078
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2264888176924196 3.9182e-08  
a 2.223220168509867 1.0438e-08 au
q 1.719685661074125 8.9927e-08 au
i 3.320293114952579 4.1213e-06 deg
node 123.0366555363975 9.2522e-05 deg
peri 164.9250814713339 9.3944e-05 deg
M 25.63240143771239 1.9972e-05 deg
tp 2458914.289744423191
(2020-Mar-05.78974442)
6.6857e-05 TDB
period 1210.799233270009
3.31
8.5268e-06
2.335e-08
d
yr
n .2973242715291015 2.0938e-09 deg/d
Q 2.726754675945608 1.2802e-08 au
  Orbit Determination Parameters
   # obs. used (total)      794  
   data-arc span      10460 days (28.64 yr)  
   first obs. used      1990-08-16  
   last obs. used      2019-04-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5625  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 03:41:48  

Additional Information
 Earth MOID = .703606 au 
 Jupiter MOID = 2.44953 au 
 T_jup = 3.612 
[ 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 15.9   n/a MPO385037  
diameter diameter 3.680 km 0.045 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.068   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

35078 (1990 QB7)          Discovered 1990-Aug-20 by Elst, E. W. at La Silla
Reference: 20020227/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1990 QB7 = 2000 QZ135 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-May-26 00:03 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin