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
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
91359 (1999 JE66)
Classification: Main-belt Asteroid          SPK-ID: 2091359
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1872640019731781 4.0051e-08  
a 2.712875530588908 1.8601e-08 au
q 2.20485160187572 1.0917e-07 au
i 12.62807445010123 4.8446e-06 deg
node 185.0350816487231 2.1072e-05 deg
peri 91.59239871502122 2.4782e-05 deg
M 212.6002072645419 1.5321e-05 deg
tp 2459668.747898223536
(2022-Mar-30.24789822)
7.2774e-05 TDB
period 1632.086713936079
4.47
1.6786e-05
4.596e-08
d
yr
n .2205765152831821 2.2686e-09 deg/d
Q 3.220899459302096 2.2084e-08 au
  Orbit Determination Parameters
   # obs. used (total)      576  
   data-arc span      7618 days (20.86 yr)  
   first obs. used      1999-03-25  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58369  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 22:28:31  

Additional Information
 Earth MOID = 1.23313 au 
 Jupiter MOID = 2.04923 au 
 T_jup = 3.302 
[ 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 15.3   n/a MPO417450  

91359 (1999 JE66)          Discovered 1999-May-12 by LINEAR at Socorro
Reference: 20041028/Numbers.arcLast Updated: 2004-10-29

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1927-Aug-02 22:04 00:02 Amphi 0.0217035427422369 0.0216970596585769 0.0217100417018041 7.51196805092768 7.51196801566717 2425095.419622682 2.11283450367728 993.166815914802 54.5916141100035 71.2353325363033 56312.9974700574 T 16 CATAB v2.0f-lin.ifort 2020-Feb-23 22:28:45 2020-Feb-23 22:28
1942-May-02 14:27 00:01 Eunom 0.0401600417789868 0.0401455849438886 0.0401745020220259 9.22600023768091 9.22600019979425 2430482.101983164 1.1591523408248 928.386793307042 55.9407693019552 -39.1468626134508 67970.7598273702 T 16 CATAB v2.0f-lin.ifort 2020-Feb-23 22:28:45 2020-Feb-23 22:28
2174-Jun-24 03:07 00:04 Eunom 0.0428304927055759 0.0428121548332437 0.0428488700153497 9.03140498621958 9.0314049499297 2515271.630124647 3.74939571490559 2247.31974180461 53.4501703099508 -66.0044178463001 109496.889450318 T 16 CATAB v2.0f-lin.ifort 2020-Feb-23 22:28:45 2020-Feb-23 22:28

Alternate Designations
 1999 JE66 = 2000 RQ75 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Apr-06 16:40 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin