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 ]  
17965 Brodersen (1999 JO43)
Classification: Main-belt Asteroid          SPK-ID: 2017965
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1253631522103179 5.5948e-08  
a 2.608992517762477 1.4959e-08 au
q 2.281920991642639 1.4394e-07 au
i 3.205523795120455 5.6856e-06 deg
node 310.9709591415 7.5442e-05 deg
peri 355.4896389127254 7.8897e-05 deg
M 295.9201339445243 2.8852e-05 deg
tp 2459274.484990453011
(2021-Feb-28.98499045)
0.00012476 TDB
period 1539.244736836581
4.21
1.3238e-05
3.624e-08
d
yr
n .23388093614006 2.0115e-09 deg/d
Q 2.936064043882315 1.6834e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1062  
   data-arc span      10158 days (27.81 yr)  
   first obs. used      1991-07-10  
   last obs. used      2019-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57549  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 22:26:45  

Additional Information
 Earth MOID = 1.26699 au 
 Jupiter MOID = 2.28596 au 
 T_jup = 3.397 
[ 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 14.8   n/a MPO319309  

17965 Brodersen           Discovered 1999 May 10 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Carl Harold Brodersen (b. 1984) was awarded fourth place in the 2003 Intel International Science and Engineering Fair for his zoology project. He attends the Juneau-Douglas High School, Juneau, Alaska, U.S.A.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20040614/MPCPages.arcLast Updated: 2009-12-11

[ 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
1987-Oct-08 08:17 < 00:01 Juno 0.0210084186216377 0.0210050924045445 0.0210117450894972 8.11547966475158 8.11547959339428 2447076.845029816 0.291860425380803 203.283714493627 38.1368663891553 -36.0751686537465 50094.3378095056 T 23 CATAB v2.0e-lin.ifort 2019-Jul-12 22:26:54 2019-Jul-12 22:27
2085-Jan-13 19:09 < 00:01 Amphi 0.0487642138209272 0.0487614215445566 0.0487670100402773 3.42558929478345 3.42558926036935 2482604.297885804 0.756601404885664 742.508738318368 44.5891799274509 79.7560511524479 160893.272653004 T 23 CATAB v2.0e-lin.ifort 2019-Jul-12 22:26:54 2019-Jul-12 22:27

Alternate Designations
 1999 JO43 = 1991 NW4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Feb-19 23:00 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin