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 ]  
48839 (1998 BZ1)
Classification: Main-belt Asteroid          SPK-ID: 2048839
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2025523530094175 3.9173e-08  
a 3.023815060342871 1.8719e-08 au
q 2.411334204805109 1.2118e-07 au
i 2.714166279590952 5.858e-06 deg
node 141.1134776511532 8.5762e-05 deg
peri 317.6019470713121 8.719e-05 deg
M 105.797093209519 1.3333e-05 deg
tp 2458436.079862414274
(2018-Nov-13.57986241)
7.1049e-05 TDB
period 1920.574973912226
5.26
1.7834e-05
4.883e-08
d
yr
n .1874438670137814 1.7406e-09 deg/d
Q 3.636295915880634 2.2511e-08 au
  Orbit Determination Parameters
   # obs. used (total)      813  
   data-arc span      9847 days (26.96 yr)  
   first obs. used      1993-02-17  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48986  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 09:14:41  

Additional Information
 Earth MOID = 1.42905 au 
 Jupiter MOID = 1.54561 au 
 T_jup = 3.212 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456710.5 (2014-Feb-22.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .204190546582445 3.9227e-08  
q 2.40631835515839 1.2182e-07 au
tp 2456516.303721129116
(2013-Aug-11.80372113)
7.2936e-05 TDB
node 141.1248637757339 8.5792e-05 deg
peri 317.7807291638528 8.7186e-05 deg
i 2.713956243557946 5.8583e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      813  
   data-arc span      9847 days (26.96 yr)  
   first obs. used      1993-02-17  
   last obs. used      2020-02-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48986  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 09:14:41  

Additional Information
 Jupiter MOID = 1.54561 au 
 T_jup = 3.212 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.538796740748185E-15 -4.743116807020933E-15 1.213013349948996E-12 -5.090798878865762E-15 2.52290153024103E-13 -4.633927829449513E-16
q -4.743116807020933E-15 1.484056637968911E-14 -3.979074854734797E-12 1.521973313354686E-14 -8.198554447969774E-13 1.515934234941363E-15
tp 1.213013349948996E-12 -3.979074854734797E-12 5.319664109403395E-9 -1.190951262680665E-11 1.146090608417506E-9 -2.260367658624053E-13
node -5.090798878865762E-15 1.521973313354686E-14 -1.190951262680665E-11 7.360331893656969E-9 -7.354181426984484E-9 1.155943203971568E-10
peri 2.52290153024103E-13 -8.198554447969774E-13 1.146090608417506E-9 -7.354181426984484E-9 7.60137478240113E-9 -1.155066802397548E-10
i -4.633927829449513E-16 1.515934234941363E-15 -2.260367658624053E-13 1.155943203971568E-10 -1.155066802397548E-10 3.432006296503029E-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 14.8   n/a MPO244586  

48839 (1998 BZ1)          Discovered 1998-Jan-19 by Kawasato, N. at Uenohara
Reference: 20021120/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 BZ1 = 1996 TB39 
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-23 20:40 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin