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

Significant website upgrade scheduled for September 27. More details available here.

JPL Small-Body Database Browser
Search: [ help ]  
85867 (1999 BY9)
Classification: Amor [NEO]          SPK-ID: 2085867
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 166 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3023095400580402 4.468e-08  
a 1.830090599302419 4.4089e-09 au
q 1.276836751962761 7.9274e-08 au
i .9438319804354458 3.0633e-06 deg
node 254.3882801854874 0.00018851 deg
peri 287.3913212139709 0.0001888 deg
M 344.8595297476147 1.0815e-05 deg
tp 2459434.531563126183
(2021-Aug-08.03156313)
2.7286e-05 TDB
period 904.2891335075102
2.48
3.2678e-06
8.947e-09
d
yr
n .3981027601245749 1.4386e-09 deg/d
Q 2.383344446642076 5.7418e-09 au
  Orbit Determination Parameters
   # obs. used (total)      690  
   data-arc span      9243 days (25.31 yr)  
   first obs. used      1995-09-19  
   last obs. used      2021-01-08  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59706  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Sep-11 06:31:46  

Additional Information
 Earth MOID = .280968 au 
 Jupiter MOID = 2.57618 au 
 T_jup = 3.974 
[ 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 18.09   n/a MPCxxxxx  
rotation period rot_per 700. h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Skiff, B.A.; McLelland, K.P.; Sanborn, J.; Pravec, P.; Koehn, B.W. (2019). Minor Planet Bull. 46, 458-503.]

85867 (1999 BY9)          Discovered 1999-Jan-23 by Korlevic, K. at Visnjan
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06

[ 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 2021-Sep-22 06:29 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin