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 ]  
19378 (1998 BB7)
Classification: Main-belt Asteroid          SPK-ID: 2019378
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07478025609101831 3.5619e-08  
a 2.396771947799021 9.1341e-09 au
q 2.217540727750841 8.6161e-08 au
i 6.145401000220222 4.2793e-06 deg
node 345.1216500109924 3.5257e-05 deg
peri 231.9262493424274 4.5199e-05 deg
M 352.9959435580368 2.8974e-05 deg
tp 2459226.868512603175
(2021-Jan-12.36851260)
0.0001091 TDB
period 1355.309543234082
3.71
7.7477e-06
2.121e-08
d
yr
n .2656219767632986 1.5184e-09 deg/d
Q 2.5760031678472 9.8172e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1536  
   data-arc span      9838 days (26.93 yr)  
   first obs. used      1994-01-14  
   last obs. used      2020-12-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51362  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:53:06  

Additional Information
 Earth MOID = 1.2162 au 
 Jupiter MOID = 2.40694 au 
 T_jup = 3.517 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.73   n/a E2021B10  
diameter diameter 2.481 km 0.898 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.287   0.166 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

19378 (1998 BB7)          Discovered 1998-Jan-24 by Kobayashi, T. at Oizumi
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 BB7 = 1996 US4 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-17 06:39 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin