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 ]  
9860 Archaeopteryx (1991 PW9)
Classification: Main-belt Asteroid          SPK-ID: 2009860
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 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07582078933014992 6.8793e-08  
a 3.16281807284288 4.5167e-08 AU
q 2.92301071005227 2.3576e-07 AU
i 9.977392039003377 8.133e-06 deg
node 152.6415753113213 3.999e-05 deg
peri 153.8806359975709 6.7284e-05 deg
M 28.45142147171745 5.5675e-05 deg
tp 2456638.127972756344
(2013-Dec-11.62797276)
0.00031696 JED
period 2054.517025303052
5.62
4.401e-05
1.205e-07
d
yr
n .1752236635502683 3.7535e-09 deg/d
Q 3.402625435633491 4.8592e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      762  
   data-arc span      8366 days (22.90 yr)  
   first obs. used      1991-08-05  
   last obs. used      2014-07-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54858  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jul-14 12:22:44  

Additional Information
 Earth MOID = 1.9115 AU 
 T_jup = 3.176 
[ 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 13.2 mag n/a MPO266010  

9860 Archaeopteryx           Discovered 1991 Aug. 6 by E. W. Elst at the European Southern Observatory.
Archaeopteryx is the early bird that had a dinosaur-like skeleton, a bird-like skull and teeth in the jaws. It lived during the Upper Jurassic. Feathers were preserved as impressions in rocks.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20021120/MPCPages.arcLast Updated: 2003-10-02

[ show close-approach data ]
Alternate Designations
 1991 PW9 = 1995 DY10 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2014-Jul-23 16:03 UT
(server date/time)  
NASA Home Page
Site Manager:   Donald K. Yeomans
Webmaster  Alan B. Chamberlin