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 ]  
100867 (1998 HC61)
Classification: Main-belt Asteroid          SPK-ID: 2100867
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2053058880841336 4.1102e-08  
a 2.280084291660936 8.683e-09 au
q 1.811969561254805 9.1119e-08 au
i 3.212673941810463 4.0852e-06 deg
node 25.15170608926752 9.558e-05 deg
peri 231.3054930011589 9.6392e-05 deg
M 177.7549440642446 1.2932e-05 deg
tp 2458579.568104362330
(2019-Apr-06.06810436)
4.4443e-05 TDB
period 1257.548607755014
3.44
7.1835e-06
1.967e-08
d
yr
n .2862712405548082 1.6353e-09 deg/d
Q 2.748199022067067 1.0466e-08 au
  Orbit Determination Parameters
   # obs. used (total)      472  
   data-arc span      10304 days (28.21 yr)  
   first obs. used      1992-10-23  
   last obs. used      2021-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58585  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 08:26:24  

Additional Information
 Earth MOID = .797661 au 
 Jupiter MOID = 2.31304 au 
 T_jup = 3.576 
[ 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 16.7   n/a MPO390418  

100867 (1998 HC61)          Discovered 1998-Apr-21 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ 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-Mar-09 05:18 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin