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 ]  
(2018 VG18)
Classification: TransNeptunian Object          SPK-ID: 3836918
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458490.5 (2019-Jan-07.0) TDB
Reference: JPL 4 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .7002177427590676 0.27573  
a 114.3322052119879 87.263 au
q 34.27476655378322 5.3652 au
i 24.46733727169954 0.063356 deg
node 245.386795107035 0.022977 deg
peri 49.61723494203194 26.23 deg
M 56.66379323272863 91.756 deg
tp 2388206.828478580777
(1826-Aug-03.32847858)
33346 TDB
period 446530.6733665085
1222.53
5.1121e+05
1400
d
yr
n .0008062156117649618 0.000923 deg/d
Q 194.3896438701925 148.37 au
  Orbit Determination Parameters
   # obs. used (total)      16  
   data-arc span      385 days (1.05 yr)  
   first obs. used      2018-11-10  
   last obs. used      2019-11-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      9  
   norm. resid. RMS      .1653  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-14 08:12:02  

Additional Information
 Earth MOID = 33.3098 au 
 Jupiter MOID = 29.4057 au 
 T_jup = 6.138 
[ hide covariance matrix ]
Orbit Covariance (6×6)
  e q tp node peri i
e .07602481007323568 -1.479166195385234 9194.478241120441 -.0001376050933826625 7.23210746618495 -.0003685270260151455
q -1.479166195385234 28.78580915972105 -178889.3933098291 .002723035978662395 -140.6996483154076 .007297791681161092
tp 9194.478241120441 -178889.3933098291 1111986263.249942 -16.68261658105394 874658.0266894986 -44.6830539389674
node -.0001376050933826625 .002723035978662395 -16.68261658105394 .0005279267899514369 -.01352098281814739 .001455687074441345
peri 7.23210746618495 -140.6996483154076 874658.0266894986 -.01352098281814739 687.9962929006841 -.03624376896870719
i -.0003685270260151455 .007297791681161092 -44.6830539389674 .001455687074441345 -.03624376896870719 .004014003630341987

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 3.4417   .41192 4 autocmod 2.8
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Feb-28 00:28 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin