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 ]  
15990 (1998 YT1)
Classification: Main-belt Asteroid          SPK-ID: 2015990
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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2146304203797209 2.7539e-08  
a 2.354065104931808 5.3062e-09 au
q 1.848811121859062 6.6108e-08 au
i 1.996154851760495 3.4273e-06 deg
node 173.0452482069242 7.6406e-05 deg
peri 235.48187675 7.6805e-05 deg
M 95.27315855674053 7.1745e-06 deg
tp 2458851.364351999092
(2020-Jan-02.86435200)
2.6e-05 TDB
period 1319.247049057078
3.61
4.4605e-06
1.221e-08
d
yr
n .2728829298934626 9.2265e-10 deg/d
Q 2.859319088004553 6.4451e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1821  
   data-arc span      11171 days (30.58 yr)  
   first obs. used      1990-08-22  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48396  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 02:10:56  

Additional Information
 Earth MOID = .85888 au 
 Jupiter MOID = 2.52741 au 
 T_jup = 3.523 
[ 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 14.84   n/a E2021B10  
diameter diameter 2.879 km 0.832 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.370   0.103 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15990 (1998 YT1)          Discovered 1998-Dec-17 by Korlevic, K. at Visnjan
Reference: 20000726/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 YT1 = 1990 QS19 = 1990 RT11 = 1996 FX23 = 1996 GY18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-May-09 20:53 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin