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 ]  
12763 (1993 UQ2)
Classification: Main-belt Asteroid          SPK-ID: 2012763
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09516642736266197 5.2551e-08  
a 3.058330032633798 1.5921e-08 au
q 2.767279689732105 1.6407e-07 au
i 9.735046881494759 5.5376e-06 deg
node 180.0014423921085 2.1118e-05 deg
peri 166.8966823667875 2.8702e-05 deg
M 316.0960484356626 1.8531e-05 deg
tp 2458838.746243060045
(2019-Dec-21.24624306)
0.00010066 TDB
period 1953.551888738986
5.35
1.5254e-05
4.176e-08
d
yr
n .1842797225275543 1.4389e-09 deg/d
Q 3.34938037553549 1.7436e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1626  
   data-arc span      13596 days (37.22 yr)  
   first obs. used      1982-09-16  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51931  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 23:28:10  

Additional Information
 Earth MOID = 1.76097 au 
 Jupiter MOID = 2.09355 au 
 T_jup = 3.206 
[ 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 13.2   n/a MPO309251  
diameter diameter 8.636 km 0.166 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.149   0.024 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

12763 (1993 UQ2)          Discovered 1993-Oct-19 by Helin, E. F. at Palomar
Reference: 19991222/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1993 UQ2 = 1982 SH12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jan-19 21:56 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin