Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
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 ]  
6454 (1991 UG1)
Classification: Mars-crossing Asteroid          SPK-ID: 2006454
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3958463241105438 8.8556e-08  
a 2.755371655875983 3.8839e-08 AU
q 1.664667914339093 2.3495e-07 AU
i 29.69879226991472 1.0779e-05 deg
node 65.80031087896685 1.5661e-05 deg
peri 276.626643392778 2.4218e-05 deg
M 349.7329665019601 3.2001e-05 deg
tp 2456848.144325710007
(2014-Jul-09.64432571)
0.00014935 JED
period 1670.585496665336
4.57
3.5322e-05
9.671e-08
d
yr
n .2154933110089833 4.5563e-09 deg/d
Q 3.846075397412873 5.4214e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      669  
   data-arc span      14418 days (39.47 yr)  
   first obs. used      1973-12-20  
   last obs. used      2013-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53153  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 18:22:51  

Additional Information
 Earth MOID = .905183 AU 
 T_jup = 3.049 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.5 mag n/a MPO267734  

6454 (1991 UG1)          Discovered 1991-Oct-29 by McNaught, R. H. at Siding Spring (413)
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1991 UG1 = 1973 YY 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Jul-31 01:20 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin