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 ]  
11229 Brookebowers (1999 JX52)
Classification: Main-belt Asteroid          SPK-ID: 2011229
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1522919046515303 3.6942e-08  
a 2.239123757909119 7.6047e-09 au
q 1.898123336066647 8.3542e-08 au
i 3.628498851449175 3.6804e-06 deg
node 95.04000411181863 6.117e-05 deg
peri 260.2134784880031 6.2518e-05 deg
M 356.9652666699169 1.6447e-05 deg
tp 2459010.816529101480
(2020-Jun-10.31652910)
5.5944e-05 TDB
period 1223.814441854481
3.35
6.2347e-06
1.707e-08
d
yr
n .2941622419935506 1.4986e-09 deg/d
Q 2.580124179751591 8.7629e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1800  
   data-arc span      13078 days (35.81 yr)  
   first obs. used      1983-10-09  
   last obs. used      2019-07-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51509  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 19:58:57  

Additional Information
 Earth MOID = .897398 au 
 Jupiter MOID = 2.85183 au 
 T_jup = 3.618 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456568.5 (2013-Oct-03.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1520246436100565 3.6789e-08  
q 1.898800162948405 8.3171e-08 au
tp 2456562.454236890796
(2013-Sep-26.95423689)
4.9671e-05 TDB
node 95.08381716217716 6.112e-05 deg
peri 260.1252831685515 6.249e-05 deg
i 3.629763739127707 3.6817e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1800  
   data-arc span      13078 days (35.81 yr)  
   first obs. used      1983-10-09  
   last obs. used      2019-07-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51509  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 19:58:57  

Additional Information
 Jupiter MOID = 2.85183 au 
 T_jup = 3.618 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.353403691340114E-15 -3.050705388498374E-15 5.45850393291666E-14 7.372353684956129E-15 -8.023337955608006E-15 -3.627579241612512E-16
q -3.050705388498374E-15 6.917474326737983E-15 2.04477154740103E-14 -1.581076621863618E-14 5.500448027243014E-14 9.070633331395191E-16
tp 5.45850393291666E-14 2.04477154740103E-14 2.467174457800898E-9 1.162313937979468E-11 6.60664086928923E-10 5.390207410487751E-13
node 7.372353684956129E-15 -1.581076621863618E-14 1.162313937979468E-11 3.735702221126912E-9 -3.724843001112524E-9 9.558604765589869E-12
peri -8.023337955608006E-15 5.500448027243014E-14 6.60664086928923E-10 -3.724843001112524E-9 3.904951543525217E-9 -9.385182903908912E-12
i -3.627579241612512E-16 9.070633331395191E-16 5.390207410487751E-13 9.558604765589869E-12 -9.385182903908912E-12 1.355527107337552E-11

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 14.4   n/a MPO435805  
diameter diameter 3.507 km 0.996 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.274   0.173 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

11229 Brookebowers           Discovered 1999 May 10 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Brooke Nacole Bowers (b. 1986) is a finalist in the 2002 Intel International Science and Engineering Fair for her zoology project. She attends the Tuscarawas Valley High School, Dover, Ohio, 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: 20020724/MPCPages.arcLast Updated: 2003-10-02

[ show close-approach data ]
Alternate Designations
 1999 JX52 = 1983 TK2 = 1993 SE16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Apr-09 08:56 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin