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 ]  
452101 (2014 QD161)
Classification: Main-belt Asteroid          SPK-ID: 2452101
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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2171779780037908 1.0776e-07  
a 3.1316850998717 5.5973e-08 au
q 2.451552062136965 3.0843e-07 au
i 16.88646869446649 8.4081e-06 deg
node 344.6316706619554 1.9356e-05 deg
peri 325.5362914864345 2.554e-05 deg
M 87.37056277008992 1.7372e-05 deg
tp 2458905.221013775096
(2020-Feb-25.72101378)
9.1979e-05 TDB
period 2024.256562320224
5.54
5.427e-05
1.486e-07
d
yr
n .1778430692537137 4.768e-09 deg/d
Q 3.811818137606436 6.813e-08 au
  Orbit Determination Parameters
   # obs. used (total)      211  
   data-arc span      5063 days (13.86 yr)  
   first obs. used      2007-02-25  
   last obs. used      2021-01-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49888  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 15:18:05  

Additional Information
 Earth MOID = 1.45654 au 
 Jupiter MOID = 1.63265 au 
 T_jup = 3.111 
[ 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 15.86   n/a E2021B25  

452101 (2014 QD161)          Discovered 2007-Feb-25 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-11-30

[ 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
1956-Nov-05 04:41 00:05 Jupiter 1.8479151619877 1.84791095896671 1.84791936506762 4.37961331714825 4.27367285750595 2435782.695331369 4.89051994069419 628.353220501618 92.3328747829353 72.8884222204831 1382715.09112389 T 23 CATAB v2.0f-lin.ifort 2021-Apr-14 15:18:06 2021-Apr-14 15:18
1967-Jun-18 02:03 00:04 Jupiter 1.65998853177872 1.65998754461077 1.65998951895206 3.84573017380196 3.71067709048266 2439659.585636250 3.79576242358004 402.825842822718 42.1885458032997 86.2760921123352 1382816.08870917 T 23 CATAB v2.0f-lin.ifort 2021-Apr-14 15:18:06 2021-Apr-14 15:18
2051-Mar-10 14:10 00:03 Jupiter 1.65656700700296 1.6565662403916 1.65656777361676 4.2123876834112 4.08920360094156 2470241.089995549 2.95678054587799 320.467574425117 34.4363223146958 88.0213238882963 1925636.68473041 T 23 CATAB v2.0f-lin.ifort 2021-Apr-14 15:18:06 2021-Apr-14 15:18
2061-Sep-28 12:28 00:05 Jupiter 1.81167670937213 1.81167285994992 1.81168058174509 3.33351496576111 3.19018052171146 2474096.019330295 5.33256836069186 11482.9107299432 75.8158294890862 88.9472071487973 1476110.0844155 T 23 CATAB v2.0f-lin.ifort 2021-Apr-14 15:18:06 2021-Apr-14 15:18
2134-Dec-05 15:59 00:10 Jupiter 1.88553043075684 1.885522602154 1.88553825962303 4.35901006757508 4.25470609597413 2500826.166205793 10.1097534510931 1220.64643104041 90.7603525668245 71.864705870632 1788796.03730712 T 23 CATAB v2.0f-lin.ifort 2021-Apr-14 15:18:06 2021-Apr-14 15:18
2145-Jul-21 12:38 00:11 Jupiter 1.62598341243896 1.6259803601906 1.62598646472502 4.04139800495334 3.91037582577404 2504707.026102573 10.7765801568523 515.553591212204 92.3946065407045 -74.6421626500897 1743689.88076208 T 23 CATAB v2.0f-lin.ifort 2021-Apr-14 15:18:06 2021-Apr-14 15:18
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 10:05 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin