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 ]  
120812 (1998 HZ24)
Classification: Main-belt Asteroid          SPK-ID: 2120812
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1426767500176296 6.317e-08  
a 2.78935459963855 2.1281e-08 au
q 2.391378550715395 1.852e-07 au
i 13.45824428770758 5.2009e-06 deg
node 84.64850109549043 2.0278e-05 deg
peri 89.70236768691585 2.913e-05 deg
M 346.528931591101 1.9228e-05 deg
tp 2459264.172743005211
(2021-Feb-18.67274301)
9.1076e-05 TDB
period 1701.586450762403
4.66
1.9473e-05
5.331e-08
d
yr
n .2115672699666246 2.4212e-09 deg/d
Q 3.187330648561705 2.4318e-08 au
  Orbit Determination Parameters
   # obs. used (total)      553  
   data-arc span      8312 days (22.76 yr)  
   first obs. used      1998-04-17  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60147  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 09:25:58  

Additional Information
 Earth MOID = 1.44175 au 
 Jupiter MOID = 1.95903 au 
 T_jup = 3.275 
[ 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 15.20   n/a E2021B55  

120812 (1998 HZ24)          Discovered 1998-Apr-17 by Spacewatch at Kitt Peak
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

[ 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-03 19:47 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin