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 ]  
173227 (1998 VJ38)
Classification: Main-belt Asteroid          SPK-ID: 2173227
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2734757824763534 4.0928e-08  
a 2.628586222171362 1.0568e-08 au
q 1.909731548256487 1.1045e-07 au
i 4.107144546766004 5.0272e-06 deg
node .8308702592230184 5.1837e-05 deg
peri 30.133085865729 5.2582e-05 deg
M 296.4559349439556 7.5753e-06 deg
tp 2458875.260476622733
(2020-Jan-26.76047662)
3.3181e-05 TDB
period 1556.616994788485
4.26
9.387e-06
2.57e-08
d
yr
n .2312707629463581 1.3947e-09 deg/d
Q 3.347440896086237 1.3458e-08 au
  Orbit Determination Parameters
   # obs. used (total)      636  
   data-arc span      7731 days (21.17 yr)  
   first obs. used      1998-08-31  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58161  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 19:46:04  

Additional Information
 Earth MOID = .915854 au 
 Jupiter MOID = 2.11094 au 
 T_jup = 3.343 
[ 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 15.9   n/a MPO449897  

173227 (1998 VJ38)          Discovered 1998-Nov-10 by LINEAR at Socorro
Reference: 20080122/Numbers.arcLast Updated: 2008-01-28

[ show close-approach data ]
Alternate Designations
 1998 VJ38 = 2002 PQ85 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2019-Dec-12 09:38 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin