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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09635225448645496 3.6185e-08  
a 2.294574670300578 1.1378e-08 au
q 2.073487227729603 8.0183e-08 au
i 6.716750290907664 5.3461e-06 deg
node 357.0773868437164 3.4137e-05 deg
peri 255.5275684565129 4.644e-05 deg
M 196.9663203155891 2.9303e-05 deg
tp 2459775.445328336024
(2022-Jul-14.94532834)
0.00010335 TDB
period 1269.555582635603
3.48
9.4426e-06
2.585e-08
d
yr
n .2835637958069063 2.1091e-09 deg/d
Q 2.515662112871553 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.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51453  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 19:32:55  

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
2162-Sep-05 15:40 00:08 Amphi 0.0281401906542359 0.0281050092784772 0.0281753742997079 2.90525327020886 2.90525319989159 2510962.152598118 7.54008307335625 1797.91459339623 63.7991330951935 -12.843003708702 14827.6340733079 T 16 CATAB v2.0f-lin.ifort 2021-Feb-24 19:32:56 2021-Feb-24 19:32
2179-Oct-10 23:13 00:01 Juno 0.0175771699961953 0.017533930843215 0.0176204096213975 9.35207504708407 9.3520749730743 2517206.467653182 1.04785804726713 2160.55544475578 47.080107256312 3.81036298543473 3902.14580705362 T 16 CATAB v2.0f-lin.ifort 2021-Feb-24 19:32:56 2021-Feb-24 19:32

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-11 11:20 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin