Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Near-Earth Object (NEO) Program
Search JPL
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 ]  
19151 (1990 KD1)
Classification: Main-belt Asteroid          SPK-ID: 2019151
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09145438647584693 6.9134e-08  
a 2.548403116329509 1.5602e-08 au
q 2.315340472832458 1.774e-07 au
i 12.38142624765615 7.2803e-06 deg
node 185.9710679531511 2.0586e-05 deg
peri 346.4048092310022 3.4945e-05 deg
M 214.1420022493448 2.6796e-05 deg
tp 2458202.544183436134
(2018-Mar-25.04418344)
0.00011169 JED
period 1485.9377571295
4.07
1.3646e-05
3.736e-08
d
yr
n .2422712514523083 2.2249e-09 deg/d
Q 2.781465759826561 1.7029e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1063  
   data-arc span      9274 days (25.39 yr)  
   first obs. used      1990-05-20  
   last obs. used      2015-10-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .51371  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Oct-28 16:42:22  

Additional Information
 Earth MOID = 1.32041 au 
 Jupiter MOID = 2.18701 au 
 T_jup = 3.403 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.0 mag n/a MPO302182  

19151 (1990 KD1)          Discovered 1990-May-20 by McNaught, R. H. at Siding Spring
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1990 KD1 = 1998 HP117 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2016-May-01 13:40 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin