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 ]  
100331 (1995 QV9)
Classification: Main-belt Asteroid          SPK-ID: 2100331
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ hide orbit diagram ]

For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09635225378669264 3.6185e-08  
a 2.294574669666611 1.1378e-08 au
q 2.073487228762378 8.0183e-08 au
i 6.716750301771482 5.3461e-06 deg
node 357.0773867538281 3.4137e-05 deg
peri 255.5275682477089 4.644e-05 deg
M 196.9663207242384 2.9303e-05 deg
tp 2459775.445326656627
(2022-Jul-14.94532666)
0.00010335 TDB
period 1269.555582109456
3.48
9.4426e-06
2.585e-08
d
yr
n .2835637959244248 2.1091e-09 deg/d
Q 2.515662110570845 1.2474e-08 au
  Orbit Determination Parameters
   # obs. used (total)      441  
   data-arc span      9279 days (25.40 yr)  
   first obs. used      1995-08-23  
   last obs. used      2021-01-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51451  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 15:31:41  

Additional Information
 Earth MOID = 1.0703 au 
 Jupiter MOID = 2.528 au 
 T_jup = 3.581 
[ 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 16.4   n/a MPO436467  

100331 (1995 QV9)          Discovered 1995-Aug-23 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 1995 QV9 = 1995 UA40 = 2002 TR86 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-23 16:56 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin