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

Significant website upgrade scheduled for September 27. More details available here.

JPL Small-Body Database Browser
Search: [ help ]  
91991 (1999 VH116)
Classification: Main-belt Asteroid          SPK-ID: 2091991
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0401821074162869 4.8692e-08  
a 3.096652440752181 2.6523e-08 au
q 2.97222241974697 1.6314e-07 au
i 5.208107200277623 5.3675e-06 deg
node 208.5855005248799 5.88e-05 deg
peri 230.0039407225793 9.8224e-05 deg
M 325.0775766743661 7.8847e-05 deg
tp 2459589.580757871690
(2022-Jan-10.08075787)
0.00043599 TDB
period 1990.385151272904
5.45
2.5572e-05
7.001e-08
d
yr
n .180869516520343 2.3238e-09 deg/d
Q 3.221082461757392 2.7589e-08 au
  Orbit Determination Parameters
   # obs. used (total)      566  
   data-arc span      7740 days (21.19 yr)  
   first obs. used      1999-11-04  
   last obs. used      2021-01-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51287  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 14:48:52  

Additional Information
 Earth MOID = 1.9904 au 
 Jupiter MOID = 1.90654 au 
 T_jup = 3.216 
[ 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 15.11   n/a E2021B10  

91991 (1999 VH116)          Discovered 1999-Nov-04 by Spacewatch at Kitt Peak
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Sep-21 03:45 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin