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 ]  
6863 (1991 PX8)
Classification: Main-belt Asteroid          SPK-ID: 2006863
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07718986494678626 4.3598e-08  
a 2.296017488276287 1.2261e-08 AU
q 2.118788208440781 9.9146e-08 AU
i 4.18091310912026 4.6656e-06 deg
node 251.3550864227172 8.7273e-05 deg
peri 166.8680124010238 0.00010114 deg
M 163.0585789417923 5.0184e-05 deg
tp 2456424.924410825966
(2013-May-12.42441083)
0.00017596 JED
period 1270.753206898853
3.48
1.0179e-05
2.787e-08
d
yr
n .2832965504596633 2.2692e-09 deg/d
Q 2.473246768111793 1.3207e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1202  
   data-arc span      20969 days (57.41 yr)  
   first obs. used      1958-01-12  
   last obs. used      2015-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .48443  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jul-06 11:55:21  

Additional Information
 Earth MOID = 1.13083 AU 
 T_jup = 3.587 
[ 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 13.7 mag n/a MPO263410  

6863 (1991 PX8)          Discovered 1991-Aug-05 by Holt, H. E. at Palomar
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1991 PX8 = 1958 AJ = 1991 OM = 1995 TQ2 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2015-Jul-30 14:10 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin