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 ]  
22560 (1998 HD17)
Classification: Main-belt Asteroid          SPK-ID: 2022560
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1628285575917299 2.1014e-08  
a 2.557099587997257 8.9632e-09 au
q 2.140730750465257 5.5116e-08 au
i 6.074598893008239 1.2352e-06 deg
node 240.6596619010944 4.4518e-06 deg
peri 121.7696025706976 7.8599e-06 deg
M 25.01974093059091 6.3413e-06 deg
tp 2459096.699320161642
(2020-Sep-04.19932016)		 2.6357e-05 TDB
period 1493.55042666008
4.09		 7.8529e-06
2.15e-08		 d
yr
n .2410363879075997 1.2673e-09 deg/d
Q 2.973468425529257 1.0423e-08 au
   Orbit Determination Parameters
   # obs. used (total)      2145  
   data-arc span      13702 days (37.51 yr)  
   first obs. used      1983-09-01  
   last obs. used      2021-03-07  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44868  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 04:07:37  

Additional Information
 Earth MOID = 1.14454 au 
 Jupiter MOID = 2.52646 au 
 T_jup = 3.410 
[ 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 13.99   n/a E2021B10  
diameter diameter 5.679 km 0.330 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.181   0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

22560 (1998 HD17)          Discovered 1998-Apr-18 by LINEAR at Socorro
Reference: 20010309/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 HD17 = 1983 RK5 = 1983 RP7 = 1987 QL11 = 2000 WG59 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-Apr-22 14:35 UT
(server date/time)   		NASA Home Page
Site Manager:   Ryan S. Park
Webmaster:   Alan B. Chamberlin