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 ]  
30980 (1995 QU3)
Classification: Main-belt Asteroid          SPK-ID: 2030980
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 49 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3866270336225826 4.1264e-08  
a 3.135698041209786 2.0545e-08 au
q 1.923352409200704 1.2881e-07 au
i 23.75697138521922 8.8474e-06 deg
node 296.5444966512212 1.5275e-05 deg
peri 106.9262127020596 1.9963e-05 deg
M 168.4923976886126 1.2342e-05 deg
tp 2458251.256594761298
(2018-May-12.75659476)
6.3415e-05 TDB
period 2028.1486320675
5.55
1.9933e-05
5.457e-08
d
yr
n .1775017837982688 1.7445e-09 deg/d
Q 4.348043673218869 2.8488e-08 au
  Orbit Determination Parameters
   # obs. used (total)      953  
   data-arc span      10635 days (29.12 yr)  
   first obs. used      1991-02-07  
   last obs. used      2020-03-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48069  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 06:43:38  

Additional Information
 Earth MOID = 1.06842 au 
 Jupiter MOID = 1.79047 au 
 T_jup = 2.970 
[ 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 13.57   n/a E2021B10  
diameter diameter 14.310 km 0.598 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.045   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

30980 (1995 QU3)          Discovered 1995-Aug-31 by Spahr, T. B. at Catalina Station
Reference: 20011130/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
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-13 03:31 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin