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 ]  
79369 (1997 EN24)
Classification: Main-belt Asteroid          SPK-ID: 2079369
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0799907187064928 3.4811e-08  
a 2.244985883152295 8.5706e-09 au
q 2.065407848873012 8.0941e-08 au
i 7.283733202170953 4.7048e-06 deg
node 20.83571992923122 2.8453e-05 deg
peri 80.49716724963261 4.7477e-05 deg
M 18.60110686111107 3.4341e-05 deg
tp 2458937.017337141470
(2020-Mar-28.51733714)
0.00011732 TDB
period 1228.62358674207
3.36
7.0357e-06
1.926e-08
d
yr
n .2930108162375498 1.6779e-09 deg/d
Q 2.424563917431577 9.2562e-09 au
  Orbit Determination Parameters
   # obs. used (total)      924  
   data-arc span      9501 days (26.01 yr)  
   first obs. used      1994-04-14  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5456  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 14:39:54  

Additional Information
 Earth MOID = 1.09682 au 
 Jupiter MOID = 2.67031 au 
 T_jup = 3.617 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457013.5 (2014-Dec-22.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07933549262179809 3.4749e-08  
q 2.066789869959676 8.0718e-08 au
tp 2456479.161930766654
(2013-Jul-05.66193077)
0.00012405 TDB
node 20.86616475793797 2.8433e-05 deg
peri 80.31753318369391 4.7805e-05 deg
i 7.286987029375467 4.7059e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      924  
   data-arc span      9501 days (26.01 yr)  
   first obs. used      1994-04-14  
   last obs. used      2020-04-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5456  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 14:39:54  

Additional Information
 Jupiter MOID = 2.67031 au 
 T_jup = 3.617 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.207506396378188E-15 -2.792799973672808E-15 5.015442333345733E-13 7.551332654862404E-15 1.634988784740623E-13 -3.249331912794548E-15
q -2.792799973672808E-15 6.515314928311615E-15 -1.534033252928257E-12 -1.641624286092175E-14 -4.878932071406662E-13 7.709533735057087E-15
tp 5.015442333345733E-13 -1.534033252928257E-12 1.538769518639926E-8 -4.263487396141224E-11 4.774871023140145E-9 4.052536022588975E-12
node 7.551332654862404E-15 -1.641624286092175E-14 -4.263487396141224E-11 8.0842556434453E-10 -8.143156633385024E-10 5.753892815472348E-12
peri 1.634988784740623E-13 -4.878932071406662E-13 4.774871023140145E-9 -8.143156633385024E-10 2.285328179907199E-9 -4.485878287155107E-12
i -3.249331912794548E-15 7.709533735057087E-15 4.052536022588975E-12 5.753892815472348E-12 -4.485878287155107E-12 2.214548841378245E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.7   n/a MPO502634  
diameter diameter 2.266 km 0.184 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.198   0.060 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

79369 (1997 EN24)          Discovered 1997-Mar-05 by Spacewatch at Kitt Peak
Reference: 20040504/Numbers.arcLast Updated: 2004-07-16

Alternate Designations
 1997 EN24 = 1999 XH194 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Nov-24 22:18 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin