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 ]  
357441 (2004 BK98)
Classification: Main-belt Asteroid          SPK-ID: 2357441
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1156243595794267 1.3384e-07  
a 2.727108877876043 3.8197e-08 au
q 2.411788660368257 3.7982e-07 au
i 8.244995599026351 1.2473e-05 deg
node 343.5800698614343 5.5575e-05 deg
peri 159.8824956656148 6.8054e-05 deg
M 238.2579187144105 4.6541e-05 deg
tp 2459556.776052357651
(2021-Dec-08.27605236)
0.00022099 TDB
period 1644.947882720802
4.50
3.456e-05
9.462e-08
d
yr
n .2188519185206934 4.598e-09 deg/d
Q 3.04242909538383 4.2613e-08 au
  Orbit Determination Parameters
   # obs. used (total)      87  
   data-arc span      6579 days (18.01 yr)  
   first obs. used      2001-08-19  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61506  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:42:48  

Additional Information
 Earth MOID = 1.42556 au 
 Jupiter MOID = 1.96501 au 
 T_jup = 3.331 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457283.5 (2015-Sep-18.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1137319891280176 1.3413e-07  
q 2.418789131256699 3.8019e-07 au
tp 2457911.473339387748
(2017-Jun-06.97333939)
0.00020004 TDB
node 343.709348774464 5.5527e-05 deg
peri 159.8532938830068 6.8317e-05 deg
i 8.247387657760518 1.2472e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      87  
   data-arc span      6579 days (18.01 yr)  
   first obs. used      2001-08-19  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61506  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:42:48  

Additional Information
 Jupiter MOID = 1.96501 au 
 T_jup = 3.331 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.799072850123794E-14 -5.082312740551685E-14 -6.232903881189807E-12 5.099671568048054E-14 -7.320270887089599E-13 -3.874376580160973E-14
q -5.082312740551685E-14 1.445422088117204E-13 2.124720432755115E-11 -1.493255218218739E-13 2.737121504595358E-12 1.165292315846809E-13
tp -6.232903881189807E-12 2.124720432755115E-11 4.001479462919408E-8 -4.19077830262975E-11 7.958818283441949E-9 5.565841656150901E-11
node 5.099671568048054E-14 -1.493255218218739E-13 -4.19077830262975E-11 3.083253966001895E-9 -3.057138286024328E-9 -1.787633728984265E-10
peri -7.320270887089599E-13 2.737121504595358E-12 7.958818283441949E-9 -3.057138286024328E-9 4.667232449282533E-9 1.869677228789154E-10
i -3.874376580160973E-14 1.165292315846809E-13 5.565841656150901E-11 -1.787633728984265E-10 1.869677228789154E-10 1.555513498775264E-10

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 17.3   n/a MPO494859  

357441 (2004 BK98)          Discovered 2004-Jan-27 by Spacewatch at Kitt Peak
Reference: 20130327/Numbers.arcLast Updated: 2013-03-29

[ 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
1938-Sep-11 17:18 00:05 Jupiter 1.97876532844591 1.97876390280326 1.97876675408857 3.42059022605556 3.29307232666724 2429153.221167779 4.54033661679058 282.31189713194 62.7840818392723 89.7350643553396 1230890.94416055 T 8 CATAB v2.0f-lin.ifort 2019-Sep-24 06:42:49 2019-Sep-24 06:42
1975-Feb-02 18:41 00:02 Jupiter 1.99433251934392 1.99433144853398 1.99433359015533 3.4842365662406 3.36013018659488 2442446.278504176 2.45381227820975 316.600090355418 41.0002083135396 86.1369753059467 1248174.34145365 T 8 CATAB v2.0f-lin.ifort 2019-Sep-24 06:42:49 2019-Sep-24 06:42
2069-Jun-30 18:40 00:03 Jupiter 1.95994316793534 1.95994215854314 1.95994417732832 3.42321102359216 3.29454700380224 2476928.277555938 3.16308957915943 348.863186407301 37.5533547585535 87.1599555112886 1135258.38772013 T 8 CATAB v2.0f-lin.ifort 2019-Sep-24 06:42:49 2019-Sep-24 06:42
2200-Apr-22 02:55 00:11 Jupiter 1.96623527448581 1.96623349120556 1.96623705791136 3.39673771877048 3.26745456187162 2524704.621522052 10.916563880283 1068.54468855632 38.9046158031001 86.1235460267359 1092431.75228336 T 8 CATAB v2.0f-lin.ifort 2019-Sep-24 06:42:49 2019-Sep-24 06:42

Alternate Designations
 2004 BK98 = 2001 QU302 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-25 02:16 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin