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 ]  
100879 (1998 HC91)
Classification: Main-belt Asteroid          SPK-ID: 2100879
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1967553594576266 3.3677e-08  
a 2.336002382482036 1.0307e-08 au
q 1.876381394022911 7.7167e-08 au
i 3.756635655577757 4.193e-06 deg
node 120.1260969483186 5.6897e-05 deg
peri 98.47699178346542 5.7903e-05 deg
M 65.38928661454834 1.1723e-05 deg
tp 2458763.628697859861
(2019-Oct-07.12869786)
4.1728e-05 TDB
period 1304.092354961976
3.57
8.6307e-06
2.363e-08
d
yr
n .2760540682799238 1.827e-09 deg/d
Q 2.795623370941161 1.2335e-08 au
  Orbit Determination Parameters
   # obs. used (total)      455  
   data-arc span      10646 days (29.15 yr)  
   first obs. used      1991-06-06  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60259  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 09:04:26  

Additional Information
 Earth MOID = .873265 au 
 Jupiter MOID = 2.18227 au 
 T_jup = 3.539 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.6   n/a MPO426633  

100879 (1998 HC91)          Discovered 1998-Apr-21 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

Alternate Designations
 1998 HC91 = 1991 LU5 = 2000 YK14 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Oct-28 00:41 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin