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 ]  
100727 (1998 BF45)
Classification: Main-belt Asteroid          SPK-ID: 2100727
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1528430651688014 4.07e-08  
a 3.079110751442406 2.2282e-08 au
q 2.608490026197738 1.2493e-07 au
i 11.40607024405332 5.5525e-06 deg
node 136.1345502337381 2.3264e-05 deg
peri 272.3726369364662 2.9897e-05 deg
M 126.9685641568746 2.0455e-05 deg
tp 2458304.466568853487
(2018-Jul-04.96656885)
0.00010894 TDB
period 1973.496643650733
5.40
2.1422e-05
5.865e-08
d
yr
n .1824173358278649 1.9801e-09 deg/d
Q 3.549731476687075 2.5688e-08 au
  Orbit Determination Parameters
   # obs. used (total)      830  
   data-arc span      8178 days (22.39 yr)  
   first obs. used      1997-12-08  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53718  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 17:55:14  

Additional Information
 Earth MOID = 1.64982 au 
 Jupiter MOID = 1.94101 au 
 T_jup = 3.180 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457053.5 (2015-Jan-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1527401965430072 4.0512e-08  
q 2.608840030566796 1.2419e-07 au
tp 2456333.597664098054
(2013-Feb-10.09766410)
0.00010286 TDB
node 136.1479671657186 2.3266e-05 deg
peri 272.9422032931091 2.9931e-05 deg
i 11.40538728948989 5.552e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      830  
   data-arc span      8178 days (22.39 yr)  
   first obs. used      1997-12-08  
   last obs. used      2020-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53718  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 17:55:14  

Additional Information
 Jupiter MOID = 1.94101 au 
 T_jup = 3.180 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.641244775917696E-15 -4.974340443536508E-15 -1.12627535926331E-12 -3.852878833040189E-16 -2.466397872953062E-13 1.937093812855475E-15
q -4.974340443536508E-15 1.542247515892847E-14 3.841537604530078E-12 7.048295389585299E-16 8.444267038464495E-13 -5.619615432717055E-15
tp -1.12627535926331E-12 3.841537604530078E-12 1.058087198124988E-8 -1.615017418582845E-11 1.961490597001158E-9 -6.36647125321501E-12
node -3.852878833040189E-16 7.048295389585299E-16 -1.615017418582845E-11 5.41312699197578E-10 -5.330650075807289E-10 5.260454744532906E-11
peri -2.466397872953062E-13 8.444267038464495E-13 1.961490597001158E-9 -5.330650075807289E-10 8.958404750907263E-10 -5.273513379548781E-11
i 1.937093812855475E-15 -5.619615432717055E-15 -6.36647125321501E-12 5.260454744532906E-11 -5.273513379548781E-11 3.082426938413477E-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 MPO432534  

100727 (1998 BF45)          Discovered 1998-Jan-22 by Spacewatch at Kitt Peak
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-May-28 08:13 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin