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 ]  
66847 (1999 VT4)
Classification: Main-belt Asteroid          SPK-ID: 2066847
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2215882623750413 1.1064e-07  
a 2.490133639257605 1.339e-08 au
q 1.938349253052874 2.6861e-07 au
i .1525716924251465 5.8412e-06 deg
node 33.38110368404792 0.0019807 deg
peri 349.0929432603475 0.0019807 deg
M 94.75735787183193 2.5597e-05 deg
tp 2458622.716616698552
(2019-May-19.21661670)
9.9565e-05 TDB
period 1435.266042057404
3.93
1.1577e-05
3.17e-08
d
yr
n .2508245784760242 2.0231e-09 deg/d
Q 3.041918025462336 1.6357e-08 au
  Orbit Determination Parameters
   # obs. used (total)      565  
   data-arc span      10334 days (28.29 yr)  
   first obs. used      1991-10-14  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54526  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 15:04:41  

Additional Information
 Earth MOID = .94157 au 
 Jupiter MOID = 2.41649 au 
 T_jup = 3.439 
[ 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 16.1   n/a MPO366017  

66847 (1999 VT4)          Discovered 1999-Nov-05 by Korlevic, K. at Visnjan
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 VT4 = 1995 SB45 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Apr-04 13:01 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin