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 ]  
9184 Vasilij (1991 PJ3)
Classification: Main-belt Asteroid          SPK-ID: 2009184
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09710954444410343 3.1473e-08  
a 2.311850095440699 8.9801e-09 au
q 2.087347385849395 7.3316e-08 au
i 4.797166004793424 4.7853e-06 deg
node 349.3896701065872 4.2289e-05 deg
peri 108.4201368641228 5.0191e-05 deg
M 291.2326885532829 2.8542e-05 deg
tp 2459245.754777884388
(2021-Jan-31.25477788)
0.00010237 TDB
period 1283.919905852227
3.52
7.4809e-06
2.048e-08
d
yr
n .2803913221993727 1.6337e-09 deg/d
Q 2.536352805032002 9.8522e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1316  
   data-arc span      13886 days (38.02 yr)  
   first obs. used      1981-10-24  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49647  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 19:13:44  

Additional Information
 Earth MOID = 1.11003 au 
 Jupiter MOID = 2.57699 au 
 T_jup = 3.573 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.2   n/a MPO492858  

9184 Vasilij           Discovered 1991 Aug. 2 by E. W. Elst at the European Southern Observatory.
Vasilij Rumyantsev (b. 1968) is a Russian astronomer working at the Crimean Astrophysical Observatory. Observing in particular near-earth asteroids and comets, he has become an expert in CCD astronomy. In 1995, the discoverer met him for the first time at Tunguska, Siberia.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030106/MPCPages.arcLast Updated: 2003-10-02

Alternate Designations
 1991 PJ3 = 1981 UJ27 = 1988 TR4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jul-09 21:59 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin