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 ]  
85863 (1999 BG)
Classification: Main-belt Asteroid          SPK-ID: 2085863
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0583221032517452 5.5149e-08  
a 2.414851473727971 1.1117e-08 au
q 2.274012256739579 1.3196e-07 au
i 6.584364047494686 5.8812e-06 deg
node 324.9814061275807 3.7584e-05 deg
peri 195.0168246862118 5.2522e-05 deg
M 218.9874824015648 3.698e-05 deg
tp 2459537.394839004023
(2021-Nov-18.89483900)
0.00014158 TDB
period 1370.673648929966
3.75
9.4654e-06
2.591e-08
d
yr
n .2626445764686865 1.8137e-09 deg/d
Q 2.555690690716363 1.1766e-08 au
  Orbit Determination Parameters
   # obs. used (total)      772  
   data-arc span      9068 days (24.83 yr)  
   first obs. used      1995-01-04  
   last obs. used      2019-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57391  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 20:40:03  

Additional Information
 Earth MOID = 1.28362 au 
 Jupiter MOID = 2.43134 au 
 T_jup = 3.506 
[ show covariance matrix ]

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 15.1   n/a MPO436375  
rotation period rot_per 5.83 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Erasmus, N.; McNeill, A.; Mommert, N.; Trilling, D.E.; et al. (2019) Ap. J. Suppl. Series 242, A15.]

85863 (1999 BG)          Discovered 1999-Jan-16 by Kobayashi, T. at Oizumi
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ show close-approach data ]
Alternate Designations
 1999 BG = 1995 AY2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Sep-20 02:30 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin