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 ]  
39822 (1998 BO)
Classification: Main-belt Asteroid          SPK-ID: 2039822
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 .0964886426317608 4.4882e-08  
a 2.247874956676605 1.0275e-08 au
q 2.030980553300951 1.012e-07 au
i 6.115488025151515 4.1039e-06 deg
node 85.73226290162181 4.639e-05 deg
peri 110.5698787326519 5.1624e-05 deg
M 170.459397039432 2.3024e-05 deg
tp 2458417.625444360604
(2018-Oct-26.12544436)
7.8023e-05 TDB
period 1230.996024124395
3.37
8.44e-06
2.311e-08
d
yr
n .292446111071778 2.0051e-09 deg/d
Q 2.464769360052258 1.1266e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1269  
   data-arc span      7780 days (21.30 yr)  
   first obs. used      1998-01-18  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54699  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 04:11:20  

Additional Information
 Earth MOID = 1.03803 au 
 Jupiter MOID = 2.50497 au 
 T_jup = 3.616 
[ 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 14.6   n/a MPO337581  

39822 (1998 BO)          Discovered 1998-Jan-18 by Kobayashi, T. at Oizumi
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 BO = 1999 NB40 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Aug-09 04:18 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin