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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05832209376470949 5.3915e-08  
a 2.414851472067885 1.0909e-08 au
q 2.274012278086095 1.2937e-07 au
i 6.584363462673794 5.7444e-06 deg
node 324.9814067199949 3.7562e-05 deg
peri 195.0168259992652 5.2444e-05 deg
M 218.9874814231201 3.6951e-05 deg
tp 2459537.394842175748
(2021-Nov-18.89484218)
0.0001415 TDB
period 1370.673647516564
3.75
9.2878e-06
2.543e-08
d
yr
n .2626445767395185 1.7797e-09 deg/d
Q 2.555690666049675 1.1545e-08 au
  Orbit Determination Parameters
   # obs. used (total)      802  
   data-arc span      9392 days (25.71 yr)  
   first obs. used      1995-01-04  
   last obs. used      2020-09-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56568  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-22 19:10:38  

Additional Information
 Earth MOID = 1.28362 au 
 Jupiter MOID = 2.43134 au 
 T_jup = 3.506 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456796.5 (2014-May-19.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05742518179086082 5.3919e-08  
q 2.276722952663772 1.2932e-07 au
tp 2456793.346015906785
(2014-May-15.84601591)
0.00014064 TDB
node 325.069336290121 3.7576e-05 deg
peri 194.5017246079166 5.2873e-05 deg
i 6.582376878635826 5.7434e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      802  
   data-arc span      9392 days (25.71 yr)  
   first obs. used      1995-01-04  
   last obs. used      2020-09-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56568  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Oct-22 19:10:38  

Additional Information
 Jupiter MOID = 2.43134 au 
 T_jup = 3.506 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.90726700810601E-15 -6.950606026180281E-15 2.578199624155212E-13 -5.163134097934046E-15 1.209059062806908E-13 2.457966724149865E-15
q -6.950606026180281E-15 1.672264468992262E-14 -4.591924292311497E-13 1.123799581736973E-14 -2.503916989142973E-13 -5.805108552683962E-15
tp 2.578199624155212E-13 -4.591924292311497E-13 1.978053328241167E-8 -1.955832586323422E-11 5.24462128546711E-9 4.341186008523112E-12
node -5.163134097934046E-15 1.123799581736973E-14 -1.955832586323422E-11 1.411962038383486E-9 -1.407071747162427E-9 4.151875947868376E-11
peri 1.209059062806908E-13 -2.503916989142973E-13 5.24462128546711E-9 -1.407071747162427E-9 2.795535546888704E-9 -4.011567353024815E-11
i 2.457966724149865E-15 -5.805108552683962E-15 4.341186008523112E-12 4.151875947868376E-11 -4.011567353024815E-11 3.298654375982827E-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 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-Oct-29 14:51 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin